Signal and Information Processing, Networking and Computers: Proceedings of the 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC)

Description

This book collects selected papers from the 7th Conference on Signal and Information Processing, Networking and Computers held in Rizhao, China, on September, 2020. The 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC) was held in Rizhao, China, on September, 2020. Preface Committee Members International Steering Committee General Chairs Technical Program Committee Chair Publication Chair General Secretaries Sponsors Contents Satellites and Remote Sensing A Satellite-Ground Integration Test Scheme for Spacecraft Attitude and Orbit Control System Based on 1553B Bus Architecture Abstract 1 Introduction 2 Characteristics of AOCS Based on 1553B Bus Architechture 3 The Scheme of Satellite-Ground Joint Integeration Test 3.1 Architecture of Test Scheme 3.2 Design of Test Scheme 4 Technical Features of the Test Scheme 4.1 Sensor Closed-Loop Method 4.2 Actuator Closed-Loop Method 4.3 RT-Component Simulator Closed-Loop Method 5 Application 6 Conclusion References Test System Design of Satellite Antenna Pointing Performance Based on Dynamic Orbit Model Abstract 1 Introduction 2 Analysis of Device Under Test 2.1 Dynamic Orbit Model in Satellite Antenna Pointing Process 2.2 Test Ports of Satellite Antenna Pointing Performance 2.3 Timing Deviation Model 3 Design of Test System 3.1 Structure of Test System 3.2 Design of Information Flow 3.3 Design of Timing Recovery Module 4 Application of the Test System 5 Conclusion References High Accuracy Orbit Control for Ocean Dynamics Operational Environmental Satellite with Large Inclination Abstract 1 Introduction 2 Mission Analysis 2.1 Introduction to Ocean Dynamics Operational Environmental Satellite 2.2 High Accuracy Orbit Control Demand and Performance Index 2.3 Orbit Characteristics and Energy Constraints 2.4 Control Constraints 3 Technological Plan 3.1 Low Thrust Orbit Control Under Wheel Control Mode 3.2 No Marking Transient Attitude Control Method 3.3 Power Control Method with High Reliability 4 Simulation 5 Conclusion References Monitoring Frequency Stability of GNSS Satellite Clock Utilizing Modified Technique Based on the In-Orbit Data of Phase Comparison Abstract 1 Introduction 2 Principle of the Phase Comparison 3 Monitoring Technique of the Frequency Stability 4 Testing Verification 5 Conclusion References Design and Implementation of a Multi-channel System Level Test Scheme for High Orbit High Power SAR Satellite Abstract 1 Introduction 2 Working Principle of High Orbit SAR Load 3 Design of Load Test Scheme for High Orbit High Power SAR 4 High Orbit SAR Load Test Content 5 High-Orbit SAR Load Test Method 5.1 Three Circuit Calibration Test 5.2 SAR Load High Power Test 5.3 SAR Performance Index Test 5.4 Image Index Check 6 Test and Application of High Orbit High Power SAR Loading Satellite 7 Conclusion References Rapid Response Mode for Data Relay Satellite System with Single Access and Multiple Access Links Co-processing Abstract 1 Introduction 2 DRSS Scheduling Process 2.1 Mission Process 2.2 Demand Access System 3 Multiple Access and Single Access Co-processing 4 Rapid Access Service Application 5 Conclusion References Satellite Formation Strategy Based on Bat Flight Abstract 1 Introduction 2 Formation Control Theory 3 Mathematical Modeling of Bat Flight 4 Bionic Formation Management Strategy 5 Simulation Verification and Analysis 5.1 Track Parameters 5.2 Satellite Parameters 6 Conclusion References A Low-Complexity Autonomy Scheme for Data Transmission Subsystem of Agile Satellites Abstract 1 Introduction 2 Functional Requirement Analysis 3 Scheme Design of DTS Autonomy 3.1 Definition of Meta-task 3.2 Traversal Execution Strategy with “Command Pool” 3.3 Highly-Precise Time Management of DTS 4 Verification and Test 4.1 Design of Data Block and Command Pool 4.2 Transition Time of Consecutively Executed Meta-tasks 4.3 Execution Accuracy of Time-Stamped Commands 5 Conclusion References Energy Balance Analysis Simulated System for Remote Sensing Agile Satellite Based on MATLAB Function Abstract 1 Introduction 2 Overall Composition of Energy Balance Analysis 3 Model of Simulation System Based on MATLAB Function Programming 3.1 Lighting and Power Generation Module 3.2 Power Loss Stat 3.3 Power Balance Analysis Module 4 Simulation and Analysis 5 Conclusion References Research on Oil Species Identification and Overall Design of Satellites Abstract 1 Introduction 2 Analysis of Satellite Detection Methods 2.1 Spectrum Remote Sensing Detection and Analysis 2.2 Laser Fluorescence Remote Sensing Analysis 2.3 Microwave Remote Sensing Analysis 2.4 Other Detection Methods Analysis 3 Overall Design of Satellites for Oil Species Identification 4 Conclusion References Research on Batch Test Process of Micro-satellites Abstract 1 Foreword 2 Traditional Satellite Test Process 3 Batch Test Process of Micro-satellites 3.1 Batch Test Process 3.2 Division of Batch Test Stage 3.3 Test Rules for Different Stages of Batch Test 3.4 Workflow Solidification of Batch Test 4 Implementation Mode of Micro-satellite Batch Test 4.1 Automatic Test 4.2 Parallel Test 4.3 Test Process Informatization 4.4 Continuous Line Test 4.5 Test Data Analysis Technology 5 Conclusions References Sharing C-band Frequency Between Satellite and Terrestrial 5G Communication Systems Abstract 1 Interference Between Satellite System and Terrestrial 5G Service 1.1 Frequency Resource Analysis 1.2 Satellite-Terrestrial 5G Integration 2 Frequency Sharing Technology for Satellite 5G 2.1 Frequency Reverse Use 2.2 Frequency Dual Reuse 2.3 User Accessing and Link Analysis 3 Conclusion References Lunar Observation Research on Low-Orbit Remote Sensing Satellites Abstract 1 Introduction 2 Key Technology of Lunar Observation 2.1 Position Relation of Sun, Moon and Satellite 2.2 The Timing of Lunar Observation 2.3 Satellite Attitude for Lunar Observation 2.4 Imaging Parameters Selection of Payload 3 Experiment on Lunar Observation 3.1 Experimental condition 3.2 Experimental Analysis 3.3 The Lunar Observation Images 4 Conclusion Acknowledgment References SoC Design and Implementation of CAN 2.0 Protocol Toward Satellite Applications Abstract 1 Introduction 2 The Protocol of CAN Bus 3 Hardware of the CAN Controller 3.1 Detailed Design of Each Module 3.2 The Processing Flow of CAN Bus 4 The Architecture of the SoC 5 Simulation and Verification 6 Conclusion References Remote Sensing Satellite Rapid Response Technology Based on Orbit Maneuver Abstract 1 Introduction 2 Satellite Observation Problem Description 3 Orbit Maneuver Method for Rapid Response 4 Example Demonstration 5 Conclusions References Research on Special Automatic Test Technology of Antenna Subsystem SAR Antenna Secondary Power Supply Based on High Resolution SAR/GMTI Satellite System Abstract 1 Overview 2 Composition of Automated Testing Systems 2.1 Hardware Configuration of Automated Test Systems 2.2 Design and Implementation of Automated Test System Software System 2.2.1 Design of Test System Software System 3 Characteristics of Automated Test Systems 4 Concluding Remarks References Angular Momentum Management Design and on Orbit Verification of GEO Navigation Satellite Abstract 1 Introduction 2 Angular Momentum Management Design 2.1 Flywheel Working Design 2.2 Unloading Design of Angular Momentum 3 Realization of Angular Momentum Management 4 On Orbit Verification 5 Conclusion References Capability Analysis of BeiDou Navigation Satellite System GSMC Service for LEO Earth Observation Satellites Abstract 1 Introduction 2 Overview of BDS and GSMC 3 TT&C Application Based on BDS GSMC Service 3.1 System Architecture 3.2 Service Flow 4 Service Capability Analysis 4.1 Simulation Scenario 4.2 Simulation Results and Analysis 5 Conclusions References Predicting Satellite Power System Parameter Interval Based on Optimized Kernel Extreme Learning Machine and Proportional Coefficient Method with Differential Evolution Abstract 1 Introduction 2 Related Work 2.1 Kernel Extreme Learning Machine 2.2 Differential Evolution Algorithm 2.3 Estimated Indexes 2.4 Proportional Coefficient Method 3 DE-PCM-OKELM Model in Predicting Satellite Power System Parameter Interval 4 Experiment 4.1 Data Preprocessing 4.2 Setting of Experimental Parameters 4.2.1 Embedding Dimension 4.2.2 Parameters of KELM Algorithm 4.3 Interval Prediction 5 Conclusion References An Autonomous Mission Management Method for Agile Imaging Satellite Based on Dynamic Adjustment of Action Sequences Abstract 1 Introduction 2 Requirements Analysis of Agile Imaging Satellite Operation 3 The Method of Satellite Autonomous Mission Management Based on Dynamic Adjustment of Action Sequence 3.1 Model Design 3.2 Inter-task Instruction Optimization Algorithm 4 On-orbit Effects 5 Conclusion References Research on Agile Satellite Imaging Simulation Technology Based on STKX Abstract 1 Introduction 2 The Basic Principle of Development Based on STKX 3 Agile Satellite Imaging Simulation Technology 3.1 Creation of Satellite Objects 3.2 Creation of Camera Objects 3.3 Creation of Observation Targets 4 Dynamic Geospatial Visualization Display Technology 4.1 Technical Approach 4.2 Data Sharing Between Cesium and STK 5 Simulation Effect of Agile Satellite Imaging 6 Conclusion References Analysis of the Magnetic Field Data During the Vacuum Thermal Test of the Satellite Abstract 1 Introduction 2 The Design of the Magnetometer 2.1 The System Design 2.2 The Circuit Design 2.3 Interface Circuit Design 3 Test and Analysis 4 Conclusion References Design and Development of a Simulation System for GNSS Radio Occultation Satellite Constellation Design Abstract 1 Introduction 2 Description of GNSS RO Satellite Constellation 2.1 Space-Borne GNSS RO Sounding 2.2 Design Flow of GNSS RO Sounding Satellite Constellation 3 Simulation System Design 3.1 Functional Framework 3.2 Hardware Design 3.3 Software Design 4 Experiment 5 Conclusion References Application of Electromagnetic Signal Shielding Processing Technology in Microwave Remote Sensing Satellite Abstract 1 Introduction 2 Analysis of Satellite Electromagnetic Compatibility 3 Treatment Scheme Proposal 3.1 Simulation Analysis of Exit Cable 3.2 First EMC Verification of Main Loads 3.3 Treatment Plan for Relevant Loads 4 Implementation Scheme 4.1 Exit and in-Cabin Cables of Related Equipment 4.2 Cable Holes, Openings for Equipment and Gaps Between Bulkheads 4.3 Electrical Connector of Equipment 4.4 Grounding Implementation 4.5 Status Check 5 Treatment Effect 6 Conclusion References Research on Software Reuse for Satellite Control Software Based on Product-Line Technology Abstract 1 Introduction 2 Domain Analysis and Modeling 3 Software Architecture Design 3.1 Interface Layer Structure 3.2 Part Layer Structure 3.3 Application Layer Structure 4 Domain Component Design 4.1 Interface Design 4.2 Data Design 5 Variability Management 6 Project Practical Analysis 7 Conclusion References Motion Compensation for Data Transmission Dantenna Angle During Satellite Attitude Maneuvering Abstract 1 Introduction 2 Calculation Method of Theoretical Angle 2.1 Calculation Method of Conventional Antenna Target Angle 2.2 Antenna Target Angle Motion Compensation Method 3 Simulation Results 4 Conclusion References Generalized Nonparallel Proximal Support Vector Machine with Applications on Ship Detection Using Satellite Images Abstract 1 Introduction 2 Related Works 2.1 Gepsvm 2.2 GLpNPSVM 3 Generalized Nonparallel Support Vector Machine 3.1 Problem Formulation 3.2 Solving Algorithm of GNPSVM 4 Experiments 5 Conclusion References Research on the Effect of Amplitude-Frequency Fluctuation for Satellite Data Transmission Link Abstract 1 Introduction 2 Channel Amplitude-Frequency Fluctuation Model 3 Data Transmission Link Model 4 Simulation Analysis 5 Conclusion References A Test Method for Satellite Autonomous Flight Based on Mixed Propulsion Abstract 1 Foreword 2 Satellite Autonomous Flight Strategy 2.1 Autonomous Determination of Orbit 2.2 Attitude Autonomous Closed Loop Control 2.3 Energy Autonomous Management 2.4 Thermal Autonomous Management 3 Autonomous Flight Test Programmers 3.1 General Programmers 3.2 Test Method 3.2.1 Orbit Projected 3.2.2 Attitude Closed-Loop Control Test 3.2.3 Thermal Closed Loop Test 3.2.4 Telemetry and Tele-Command Closed Loop Test 3.2.5 Energy Closed Loop Test 3.2.6 Actuator Closed Loop Test 4 Application Scenario 4.1 Test Validation Scenario 4.2 Flight Control Scenario 5 The End References Influence Analysis of Carrier Phase Noise on Modulation and Demodulation Performance in Satellite Communication Downlink Abstract 1 Foreword 2 Definition of Carrier Phase Noise 3 Analysis of the Influence of Carrier Phase Noise on the Performance of Modulation and Demodulation 3.1 Phase Jitter Caused by Carrier Phase Noise 3.2 The Influence of Carrier Phase Noise on the Performance of Transmitter from the Receiver 4 Conclusion References Channel Coding Simulation Method of Satellite Communication Data Link Based on Data Analysis Abstract 1 Introduction 2 Satellite Data Link Characteristics and LDPC Code Scheme 2.1 Satellite Data Link Features 2.2 LDPC Code Scheme 3 Model Simulation Design 4 Performance and Simulation Results Analysis 4.1 Performance Analysis 4.2 Discussion of Simulation Results 5 Conclusion References Research on Navigation Satellite Predistortion Parameter Reconstruction Technology Abstract 1 Introduction 2 The Broadcast and Influence of Satellite Navigation Signal 2.1 Design of the Signal Broadcast 2.2 Verification of Navigation Signal Quality Test 3 In-Orbit Predistortion Parameters Reconstruction Design 3.1 Reconfiguration Bus Selection and Architecture Design 3.2 Choice of Reconstruction Data Injection Method 3.3 Hardware Design of Data Reconstruction 4 Design for Enabling the Predistortion Parameters 5 Conclusion References Research and Improvement of Remote Sensing Image Restoration Algorithm Based on Wiener Filter Abstract 1 Introduction 2 Remote Sensing Image Restoration Model 3 Improved Wiener Filter Algorithm 3.1 Wiener Filter Method 3.2 Degradation Estimating 3.3 Estimation of Power Spectrum Ratio 4 Experimental Verification and Analysis 4.1 Simulations 4.2 Experimental Restoration Tests 4.3 Analysis of Experimental Results 5 Conclusions References Design Method of Core Index of Remote Sensing Satellite for Power Transmission and Transformation Equipment Patrol System Abstract 1 Introduction 2 Inspection Plan of Remote Sensing Satellite 2.1 Current Situation of Power Grid Business 2.2 Requirement Analysis of Patrol Inspection Business 2.3 Assumption of Inspection Mode 3 The Core Indicators of the Satellite 3.1 Orbit Design 3.2 Imaging Pattern Design 3.3 Payload Design 4 The Simulation Verification 4.1 Orbit Simulation 4.2 Effectiveness Simulation 4.3 Illumination Condition Simulation 5 Conclusion References Study on Space-Borne Remote Sensing Imaging System by MagicGrid Methodology Abstract 1 Introduction 2 Modeling Method 2.1 Space-Borne Camera Radiance Transfer Model 2.2 Requirement Model and System Architecture Model 2.3 Calculation and Analysis Model 2.4 Generalization Relationship 3 Comparative Analysis of Multiple Schemes 4 Conclusion Acknowledgement References Research of Intertidal Remote Sensing Image Fusion Method Based on Logical Block Abstract 1 Introduction 2 Improved Method for Remote Sensing Image Fusion 2.1 Improved NMF Method Based on IHS 2.2 Improved NMF Method Based on IHS 3 Experiment and Evaluation 3.1 Experiment of Fusion Method 3.2 Fusion Experiment of Large Scale Data Remote Sensing Images of Intertidal Zone 4 Conclusions References One Method and Application for Remote Real-Time Processing & Analyzing of Payload Data Abstract 1 Introduction 2 System Program 2.1 Overall Structure 2.2 Design of Remote Test Service Platform 2.3 Image Partition Compression Technology 2.4 Remote Terminal Design 2.5 Design of Data Frame Format for Transmission 2.6 System Operation 3 Application and Characteristics of the System 4 Conclusion References Spacecraft Technology Research on Quantitative Evaluation of Spacecraft Model Control Subsystem Product Assurance Work Abstract 1 Introduction 2 Establishment of Quantitative Evaluation Model for Product Assurance 3 Quantitative Analysis Results of Product Assurance Work 3.1 Control Subsystem Product Guarantee Quantitative Evaluation Weight 3.2 Quantitative Evaluation Results of Product Assurance of a Control Subsystem 3.3 Quantitative Evaluation Results of Product Assurance of a Control Subsystem 4 Conclusion References Electrical Power Sizing and Performance Simulation Tools for Spacecraft Abstract 1 Introduction 2 Spacecraft Orbit and Solar Array Light Conditions Analysis 2.1 Orbit Analysis 2.2 Solar Arrays Light Conditions Analysis 3 Spacecraft Power System Design and Analysis 3.1 Design of Solar Array 3.2 Design of Battery 4 Energy Balance Analysis and On-Orbit Simulation 5 Conclusion References The Research on the Application of Design Pattern of Object-Oriented Software Development Technology in Aerospace Embedded Software Development Abstract 1 Design Pattern and Aerospace Embedded Software Development 1.1 Intermediary Pattern Realizes Software Body Architecture of Minimum Coupling Interaction Among Various Functions 1.2 Policy Patterns Implement Different Strategies for Functionality 1.3 The Bridge Pattern Realizes the Decoupling Change of the Algorithm 2 Conclusions References Experimental Research on Direction Modulation of Plasma Flow Generated in Helicon Plasma Thruster Abstract 1 Introduction 2 Simulation 2.1 Single Coil Simulation 2.2 Three Coaxial Coils Simulation 3 Experiments 4 Conclusion References Design of Fast Response High-Voltage Power Supply for the Electrostatic Deflection System in a Low-Energy Particle Spectrometer Abstract 1 Introduction 2 Design 2.1 Principle Analysis 2.2 Circuit Design 3 Experiments and Discussion 3.1 Relationship Between Input and Output Test 3.2 Response Speed Test 3.3 Temperature Stability Test 4 Conclusion References Design and Implementation of Spacecraft Telecommand Quickly Generation System Based on LUA Script Abstract 1 Introduction 2 Lua Characteristics and Application Analysis 3 Telecommand Quickly Generation System Design 3.1 Information Flow Architecture Design 3.2 Principle of Lua Interpreter 3.3 Design of Telecommand Based on Lua Function Script 4 System Implementation and Application 5 Conclusion References The Research of Aerospace Software Product Line Engineering Abstract 1 Introduction 2 Overview 3 Characteristics of Aerospace Software 4 Aerospace Software Development Based on SPL 4.1 Domain Engineering 4.2 Application Engineering 5 Aerospace Software Management Based on SPL 6 Conclusion References An Improved In-Orbit Standardized Support Management Mode for Multiple Spacecraft Abstract 1 Introduction 2 Conception of In-Orbit Standardized Support Management 2.1 Get Involved Early In-Orbit Management 2.2 Elaborate Flight Control and In-Orbit Testing 2.3 Strengthen the In-Orbit Management of Long-Term Operation 2.4 Disposal of End-Life Spacecraft 2.5 Increase Communication with Measurement and Control Units and Users 3 In-Orbit Standardized Support Management General Design 3.1 Full-Cycle Refined Management of Spacecraft in-Orbit 3.2 Data-Driven Intelligent Management of Spacecraft In Orbit 3.3 Spacecraft In-Orbit Diversification Services 3.4 Intensive Team Configuration Guarantee 4 Analysis and Testing of Designed In-Orbit Standardized Support Management 4.1 Results Achieved 4.2 Power Enhanced 4.3 Keep Improving 5 Conclusions References Development of Heterogeneous Computing and Virtualization in Spaceborne IMA During 2010–2020 Abstract 1 Introduction 2 Brief Introduction of IMA Before 2010 3 Heterogeneous Computing Development in the Past Decade 3.1 Background and Development of Heterogeneous Computing 3.2 Key Technologies 3.3 Application and Development Prospect 4 Virtualization Development in the Past Decade 4.1 Background and Development of Virtualization 4.2 Key Technologies and Development Prospect 5 Conclusions References Observer-Based Finite-Time Stabilization Control of Spacecraft with Reaction Flywheel Effectiveness Abstract 1 Introduction 2 Attitude Dynamics Model 3 Disturbance Observer Design 4 Finite-Time Stabilization Controller Design 5 Numerical Analysis 6 Conclusions References A Ground Support System Design for the Lunar Rover Abstract 1 System Function and Overall Design 2 Design and Implementation 2.1 The Interface and Information Management Module (IIMM) 2.2 Digital Environment Construction Module (DECM) 2.3 Task Decision and Strategy Planning Module (TD&SPM) 2.4 Digital Simulation of Strategic Planning (DECM) 2.5 Physical Simulation Module (PSM) 2.6 Visual Presentation Module (VDM) 3 In-Orbit Applications 4 The Conclusion References A Method to Suppress Radiated Noise of ARINC659 Abstract 1 Introduction 2 Analysis of Radiated Noise 2.1 Equipment Introduction 2.2 Problem Analysis 3 Methods of Suppressing Radiated Noise 3.1 Principle Design Suppressing Method 3.2 PCB Design Suppressing Method 3.3 Structural Design Suppressing Method 4 Analysis of Test Results 4.1 Module-Level Near-Field Scan Results 4.2 Equipment-Level RE102 Test Results 5 Conclusions References Design and Implementation of Simulation Verification System for Spacecraft Autonomous Mission Planning Abstract 1 Introduction 2 System Design 2.1 Process 2.2 Architecture 3 Key Technologies 3.1 Simulation Verification Strategy 3.2 Scalable Architecture 3.3 Database Technology 3.4 Verification of Spacecraft-Ground Synchronization 4 Application Effect 5 Conclusion References A Micro-vibration Measurement Method of High-Resolution Space Camera Based on Target Image Abstract 1 Introduction 2 Image Shift Analysis Induced by Micro-vibration on Satellite 3 Satellite Micro-vibration Analysis Method 3.1 Traditional Methods and Comparison 3.2 Image Shift Measurement Method 3.3 Specific Implementation Methods 4 Application and Analysis 5 Conclusion References Design and Implementation of Health Management for Modular Spacecraft Avionics System Abstract 1 Introduction 2 The Topology of Avionics System 3 Health Management Service 3.1 Design Principles 3.2 Design of Layered Nodes 3.3 Tree Topology 3.4 Service Types of Health Management 3.5 Timing Constraints 4 Implementation and Verification 5 Conclusion References Research on Brightness Temperature Reconstruction Methods in the Imaging Experiment of ASMR Abstract 1 Introduction 2 Brightness Temperature Reconstruction Methods 3 The Imaging Experiment 4 Results of the Imaging Experiment 5 Summary References Design of Air-Breathing Electrical Propulsion Based on Cargo-Spacecraft for Replenishment Abstract 1 Introduction 2 Research Status at Home and Abroad 3 Task Flow of Air-Breathing Cargo-Spacecraft 4 Comparison of Resource Consumption 4.1 Consumption of Chemical Propulsion 4.2 Consumption of Chemical Propulsion 5 Main Structure of Air-Breathing Electrical Propulsion 6 Orbit Design and Thrust Analysis 7 Conclusion References Imaging Monitoring and Measurement of Moving Target in Orbit Based on CMOS Image Sensor Abstract 1 Introduction 2 Imaging Principle 3 Demand Analysis 4 Camera Parameter Design 5 In-Orbit Results 6 Conclusion References Test Design and Verification of a Model-Based Spacecraft Thermal Control System Abstract 1 Introduction 2 Model Based Test Verification 3 Model Design 3.1 Modeling Process 3.2 Strategies Classification 3.3 Model Definition 4 Model Implementation 5 Conclusion References Integrated Monitoring System of Plasma Environment and Surface Charging Abstract 1 Introduction 2 Integrated Monitoring System 2.1 Omnidirectional Electron/Ion Spectrometer 2.2 Magnetometer 2.3 Surface Potential Probe 3 Ground Testing Results 4 Discussion and Conclusion References Research on the Application of Augmented Reality Technology in Spacecraft Assembly Abstract 1 Introduction 2 The Application and Demand Analysis of Digital Technology in Spacecraft Assembly 2.1 Application Analysis of Digital Technology in Spacecraft Assembly 2.2 Analysis of Application Requirements of Augmented Reality Technology 3 The Key Technology of Augmented Reality Technology in Spacecraft Assembly 4 Application Examples of Augmented Reality Technology in Spacecraft Assembly 4.1 Guidance of Virtual and Real Fusion Process of Spacecraft Cable Assembly 4.2 AR-Based Fairing Assembly Simulation 5 Conclusion References Study on the Equivalence of Design Method for Sine Test Condition of Spacecraft Abstract 1 Introduction 2 Theoretical Analysis of Design Method of Sine Vibration Test Specification of a Spacecraft 2.1 Transient Environments 2.2 Shock Response Spectrum 2.3 The Characteristics of SRS 3 FEM Simulation and Analysis 3.1 Cases of Excitation 3.2 The Result of Simulation and Comparison for the Plate 3.3 The Result of Simulation and Comparison for a Satellite 4 Conclusions Acknowledgments References Channel Coding Information Hiding Technology Based on Spacecraft Application Abstract 1 Introduction 2 Channel Coding Information Hiding Technology Based on Chaotic Sequences 2.1 Generation of Chaotic Sequences 2.2 Realization of Information Hiding Technology 3 Experimental Background and Parameter Setting 4 Discussion 4.1 Comparative Analysis of Bit Error Rate 4.2 Comparative Analysis of Similarity 4.3 Principle of Channel Coding Information Hiding 4.4 Significance of Information Hiding by Channel Coding 5 Conclusion References Channel Coding Recognition Method Based on Spacecraft Application Abstract 1 Introduction 2 Design of Channel Coding Model 2.1 Recognition Model 2.2 Interleaved Coding 3 Experimental Background and Design 3.1 Experimental Background 3.2 Experimental Design 4 Discussion 4.1 Simulation Verification of Channel Coding Recognition Based on Spacecraft Application 4.2 Further Research Direction of Channel Coding Recognition Based on Spacecraft Application 5 Conclusion References Comparison and Improvement of the Structure of the Space Plasma Detectors Abstract 1 Introduction 2 Comparative Analysis of Design Requirements and Constraints 2.1 Physical Constraint 2.2 Electrical Performance Design Constraints 2.3 Mechanical Interface Design Constraints 2.4 Mechanical Performance Design Constraints 3 The Design and Improvement of the Product 4 Simulation and Analysis 4.1 Setting up the Model 4.2 Simulation Assumption 4.3 Analysis and Simulation 4.4 Conclusion 5 Vibration Test 6 Conclusion References Analysis of the Influence of IQ Imbalance Demodulation on DEM Measurement of Satellite Millimeter-Wave InSAR Abstract 1 Introduction 2 The Echo Model 3 Imaging Processing 4 The Influence of IQ Imbalance on InSAR 5 Simulated Analysis 6 Conclusion References Finite Time Fault-Tolerant Control of Spacecraft Rendezvous and Docking Based on Linear Sliding Mode Abstract 1 Introduction 2 Dynamics Model and Malfunction Formulation 2.1 Relative Pose Dynamic Model 2.2 Relative Orbital Dynamic Model 2.3 Actuator Failure Formulation 3 Controller Design 3.1 Attitude Controller Design 3.2 Orbital Controller Design 4 Simulation 5 Conclusion References Algorithms Optimization and Implementation Optimal Parameter Estimation for High Dynamic Acquisition of Non-coherent DSSS Abstract 1 Introduction 2 Acquisition Algorithm Principle 3 Optimal Parameter Estimation 3.1 Correlation Loss Analysis 3.2 Optimal Parameter Estimation 4 Simulation 4.1 The Relationship Between α and Detection Probability 4.2 Detection Probability Under Different Modulation Data Rates 4.3 Acquisition Performance in Coherent DSSS System 5 Conclusion References Restraining EMI of Displacement Sensors Based on Wavelet Fuzzy Threshold Denoising Abstract 1 Introduction 2 Theory of Wavelet Fuzzy Threshold Denoising 3 EMI Denoising of Displacement Sensor Using Fuzzy Threshold de-noising Method 3.1 The Sensor Signal 3.2 Choose the Wavelet Function 3.3 Signal Denosing Using Fuzzy Threshold 4 EMI Signal Identification Based on Wavelet Analysis 5 Conclusion References Research and Design of Automatic Test Language for Control System Software Abstract 1 Introduction 2 Requirements Analysis 3 Modeling Specification 3.1 General Test Behavior Logic Model 3.2 Dedicated Test Behavior Logic Model 4 Experimental Results 4.1 Portability and Versatility 4.2 Monitoring Capabilities 4.3 Test Costs 5 Conclusion References An Improved Teaching-Learning-Based Optimization Algorithm for Parameter Optimization Problems Abstract 1 Introduction 2 TLBO 2.1 Teacher Phase 2.2 Learner Phase 3 ITLBO 3.1 Adaptive Teaching Step Size 3.2 Self-taught Phase 3.3 Procedure of ITLBO 3.4 Time Complexity Analysis 4 Experimental Results and Discussions 5 Conclusions References The Design of Lunar Rover Working Procedure Based on Modulization Abstract 1 Introduction 2 Mission Analysis 2.1 Mission Overview 2.2 Analysis of Mission Characteristics 2.3 Mission Decomposition 3 Design of the Working Procedure on the Lunar Surface 3.1 Working Mode Design 3.2 Lunar Working Procedure Design 4 Conclusion References Cubature Kalman Filter Based Multi-sensor Data Fusion Algorithm for Maneuvering Target Tracking Abstract 1 Introduction 2 Dynamic Models 2.1 State Equation 2.2 Measurement Equation 3 Cubature Kalman Filter 4 Simulation Analyses 5 Conclusions Acknowledgement References Research on the Contribution Evaluation Method of Spatial Infrastructure Information Application System Abstract 1 Introduction 2 Connotation of System Contribution Degree 3 Research on Evaluation Method of System Contribution Degree for Multi Task System 3.1 Assessment Process and Steps 3.2 Construction of Efficiency Evaluation Index System 3.3 Design of System Contribution Evaluation Model 4 The Sample 5 Conclusion References Improvement Study of DPA Method Based on Failure Cases of Three-Dimensional Embedded Devices Abstract 1 Introduction 2 Structural Characteristics 3 Analysis of Failure Cases 3.1 Inherent Quality Problems of the Device 3.2 Problems in User Operation 4 Analysis of Failure Reason 4.1 Problem of Plating Layer Bonding Strength 4.2 Popcorn Effect 4.3 Kirkendall Effect 5 DPA Process Improvement 6 Conclusion References Blind DBF Based on Complex-Valued Independent Component Analysis Algorithm Abstract 1 Introduction 1.1 A Subsection Sample 2 Signal Model 3 Complex-Valued ICA Algorithm 4 Array Manifold Estimation 5 Simulation 6 Conclusion References Research on Method of Image Quality Evaluation Based on Structural Similarity Abstract 1 Introduction 2 Traditional SSIM 2.1 Research Perspective 2.2 SSIM 2.3 Single-Scale and Multi-scale SSIM 3 SSIM Algorithm Simulation 3.1 Experimental Simulation 3.2 Results Analysis 4 Improved SSIM Algorithm Based on HVS Features 4.1 SSIM Improvement Ideas 4.2 Results and Analysis 5 Conclusion References Improved Progressive TIN Densification Filtering Algorithm Based on the Seed Point Re-Filtering Abstract 1 Introduction 2 The Seed Point Re-Filtering Algorithm 2.1 Ground Points Features 2.2 The Classic Progressive TIN Densification Filtering Algorithm 2.3 Re-Filtering of Seed Points Algorithm 2.4 Improved PTDF Algorithm 3 Result and Discussion 3.1 Experimental Data 3.2 Quantitative Assessment Method 3.3 Quantitative Analysis 3.3.1 The Results Derived by the Two Algorithms for Sample 51 3.3.2 The Results Derived by the Two Algorithms for Sample 52 3.3.3 The Error Ratio for Type I, Type II and Total Error 4 Conclusion Acknowledgement References Research on Optimization Design Method of Reliability Validation Test in the Case of Zero-Failure Data Abstract 1 Introduction 2 Mathematical Model Based on Weibull Distribution Under the Condition of Zero-Failure Data 3 Design Concept of the Reliability Test 4 Example for Optimization Design of the Reliability Test 5 Reliability Validation Test 6 Conclusions References The Minimum Scale of 4-Port Switch Redundancy Network Abstract 1 Introduction 2 Mathematical Modeling 3 Construction of the Graph 3.1 Step I: To Establish a Harary Graph G_{0} 3.2 Step II: Constructing G_{0} ' by Inserting Vertices in G_{0} 3.3 Step III: Constructing G by Connecting G_{0} ' and J_{R} 4 Minimum Scale of the Redundancy Network 5 Conclusions References Design of High-Efficiency Heterogeneous Processing System for on-Board Mass Telemetry Data Analysis Abstract 1 Introduction 2 Onboard Data Management 3 Mass Telemetry Data Retrieval 3.1 System Architecture 3.2 Determine Retrieval Interval 3.3 Packet Retrieval 4 Design and Verification Results 5 Conclusions References Digital Pre-distortion Technology Based on the Nonlinear Distortion of AltBOC Signal Abstract 1 Introduction 2 Impact Analysis of AltBOC Signal Caused by HPA 2.1 AltBOC Signal System 2.2 Signal Quality Evaluation Index 2.3 HPA Model Building 3 Digital Pre-Distortion Algorithm 3.1 Memoryless HPA Pre-Distortion 3.2 Memoryless HPA Pre-Distortion 4 Simulation of Pre-distortion Effect on Signal Quality Improvement 4.1 Improvement of Signal Quality with Memoryless HPA Pre-distortion 4.2 Improvement of Signal Quality with Memory HPA Pre-distortion 5 Conclusion References Performance Optimization Technology of Space-Borne SAR Signal Processor Based on FPGA Abstract 1 Introduction 2 Application of FPGA in SAR Signal Processor 2.1 Architecture of SAR Signal Processor 2.2 Performance Optimization of SAR Signal Processor 3 SAR Processor Based on FPGA Adaptive Truncation 3.1 Software Architecture of SAR Radar Processor 3.2 SAR Radar Processor FPGA Adaptive Truncation Technology 4 Hardware Realization 5 Conclusion References Design of Sample-Hold Circuit with SFDR Over 90 dB for High Speed ADC Abstract 1 Introduction 2 Design of Amplifier and SH Circuit 2.1 Main Amplifier Design 2.2 Booster Amplifier Design 2.3 OTA Design Optimization 2.4 Errors Analysis 2.5 Prototype of Sample-Hold Circuit 3 Results 3.1 Simulation Results of OTA 3.2 Specifications of SH Circuit 4 Conclusions References Design of Artificial Intelligence Converged Media Experimental System Abstract 1 Introduction 2 Related Works 3 Proposed Research and Experimental System 3.1 System Architecture 3.2 Key Technologies 3.3 Experimental Results and Analysis 4 Conclusion Acknowledgement References A Multi-level Attention Fusion Network for Weakly Supervised Audio Classification Abstract 1 Introduction 2 Proposed Model 2.1 Multi-attention Fusion Module 2.2 Multi-level Fusion Based on Deep Supervision 3 Experiments and Analysis 3.1 Dataset 3.2 Detail 3.3 Analysis 4 Conclusion Acknowledgment References Overview of Rate Control Algorithms in Mainstream Video Coding Standards Abstract 1 Rate Control in HEVC and VVC 1.1 Summary 1.2 Bit Allocation 1.2.1 GOP Level Bit Allocation 1.2.2 Frame Level Bit Allocation 1.2.3 LCU Level Bit Allocation 1.3 Bit Control 2 Rate Control in AVS2 2.1 Summary 2.2 Bit Allocation 2.2.1 Basic Principle 2.2.2 Allocation Strategy 3 Summary and Comparison References Balancing Prediction of Space-Based Network System in Antagonistic Environment Abstract 1 Introduction 2 Problem Abstraction and Modeling 3 The Main Conclusion of the Model 4 Numerical Simulation 5 Conclusion Acknowledgement References Communication System Development of Cislunar Space Integrated Communication Architecture Abstract 1 Introduction 2 Cislunar Integrated Communication Architecture 2.1 Mission Requirements 2.2 Elements and Physical Links 3 Cislunar Space Communication System 3.1 Lunar Relay Trunk Links 3.2 Lunar Relay Forward/Backward Links 4 Lunar Surface Communication System 4.1 Physical Links 4.2 Lunar Wireless Networks 5 Conclusions References A Novel Plume Radiation Model for Analyzing Thruster Plume Impact on IRES Based on Numerical Simulation Abstract 1 Introduction 2 Distribution Characteristics of Thruster Plume 3 Modeling of Thermal Radiation Characteristics of Non-Uniform Gas 4 Simulation of the Influence of Thruster Plume on IRES 5 Summary and Future Work References Not All Branches Are Equal: An Improved QSYM Schema for Binary Vulnerability Mining Abstract 1 Introduction 2 Background 3 System Design 3.1 Incremental Information Fusion Method 3.2 Input Recommendation Algorithm 3.3 Conclic Execution Method 4 Implementation and Evaluation 4.1 Implementation 4.2 Evaluation 5 Summary References Not All Comparisons Are Equal: An Improvement for Input-to-State Correspondence Method Abstract 1 Introduction 2 Background 3 System Design 4 Incremental Information Fusion 4.1 Information Representation Method 4.2 Information Refine Algorithm 5 Implementation and Evaluation 5.1 Implementation 5.2 Evaluation 6 Summary References Ground Calibration of Star Tracker Low Spatial Frequency Error Abstract 1 The Introduction 2 Error Composition and Traditional Calibration Method of Star Tracker 2.1 Error Composition of Star Tracker 2.2 Traditional Calibration Method for LSFE 2.3 Problem Analysis of Traditional Calibration Methods 3 Design of Error Separation Calibration Method 3.1 Error Separation Strategy 3.2 Calibration Method for Error Separation 4 Calibration Simulation and Test Verification 4.1 Simulation Analysis 4.2 Test Verification 5 Conclusion References A Real-Time Hierarchical Fault Diagnosis Strategy for SADA Based on Information Fusion Abstract 1 Introduction 2 Control Strategy for SADA with Dual-Channel Resolver 2.1 Information Flow of Control Strategy for SADA 2.2 Fault Categories 3 Hierarchical Fault Diagnosis Strategy for SADA 3.1 Fault Diagnosis Strategy in Component-Level 3.2 Fault Diagnosis Strategy in System-Level 4 Application 5 Conclusion References Implementation of Coordinated Control for Frozen Orbit by Ion Electric Propulsion Abstract 1 Introduction 2 Altitude Offset and Orbit Maneuver Requirement 2.1 Altitude Offset 2.2 Orbit Maneuver Requirement 3 Control Strategy Simulation 4 StarLink and OneWeb Control Performance 5 Conclusion References Research on Loss of Uplink Ranging Signal of the TT&C Transponder Abstract 1 Introduction 2 Fault Phenomenon 3 Failure Analysis 3.1 Hardware Failure Analysis 3.2 Software Failure Analysis 3.3 Thermal Design Analysis 4 Fault Summary and Solutions 5 Conclusion References Radio Frequency Radiant Simulation Method of SAR Target Signal Based on Multi-element Arrays Abstract 1 Introduction 2 Problem Description 3 Principle of Array Design and Target Signal Generation 3.1 Antenna Array Design 3.2 Target Signal Generation 4 Simulation Results and Analysis 4.1 Modeling and Simulation of Airborne Radome 4.2 Multiple Arrays Design 4.3 Simulation of Real SAR Images 5 Conclusion References Channel Coding and Modulation Technology in Satellite Communication Based on Cloud Computing Abstract 1 Introduction 2 Channel Coding Function and LDPC Coding Principle 2.1 The Role of Channel Coding 2.2 LDPC Coding Principle 3 Modulation Technology 4 LDPC Coded QPSK Modulation System Simulation 4.1 Analysis of Simulation Parameter Setting of LDPC Encoding QPSK Modulation System 4.2 Simulation Results and Analysis 5 Conclusion References Overview of IPTV Development in China Abstract 1 Introduction 2 History of IPTV Development 2.1 IPTV International Development 2.2 Development of China IPTV 2.3 China IPTV Management Policy 3 China IPTV Status and Problems 4 Suggestions for IPTV Future Development 5 Conclusion Acknowledgment References A Handover Management Strategy Using Residence Time Prediction in 5G Ultra-Dense Networks Abstract 1 Introduction 2 Handover Management Strategy 2.1 Network Model 2.2 HO Skipping 2.3 Ho RTP 3 Theoretical Analysis 3.1 Handover Triggering Probability 3.2 Average Throughput 4 Simulation Results 4.1 Average Throughput Under Different Handover Decision Thresholds 4.2 Average Throughput Under Different BS Density 5 Conclusion Acknowledgement References Geocoding Accelerated Approach to Estimate the Sensor Coverage Ratio of Internet of Things Abstract 1 Introduction 1.1 A Subsection Sample 2 System Model 2.1 Sensor Coverage Model 2.2 Sensor Deployment in IoTs 2.3 Coverage Ratio Estimation with MC 3 Geocoding Accelerated Approach 4 Experiment and Discussion 5 Conclusion References A Markov Process-Based Anomaly Detection of Time Series Streaming Data Abstract 1 Introduction 2 A Markov Process-Based Anomaly Detection Method 2.1 Pre-processing of Time Series Streaming Data 2.2 Markov Process-Based Anomaly Detection Model 3 Performance Evaluation 4 Conclusion Acknowledgment References Radar Signal Sorting in Small Sample Environment Abstract 1 Introduction 1.1 Related Research 1.2 The Main Work of This Article 2 SMOTE Algorithm Principle 3 Radar Signal Sorting 3.1 Decision Tree Algorithm 3.2 Random Forest Algorithm 3.3 KNN Algorithm 4 Experiment and Result Analysis 4.1 Data Set 4.2 Unbalanced Sample Expansion 4.3 Radar Signal Sorting 4.4 Analysis of Experimental Results 5 Summary and Outlook References A User-Define Method of Coding Rule Checking Using HAL Abstract 1 Introduction 2 User-Define Method 2.1 HAL 2.2 VPI 2.3 VHPI 2.4 CPI 3 Example and Practice 3.1 Example 3.2 Practice 4 Conclusion References Research on Radar Signal Sorting Algorithm Based on Supervised Learning Abstract 1 Introduction 2 Radar Signal Sorting System 3 Main Sorting of Known Radar Signals Based on Supervised Learning 3.1 Supervised Learning Algorithms 3.2 Experimental Setup 3.3 Algorithm Experiment 3.4 Algorithm Comparison 4 Conclusion References Research on Real Radar Pulse Signal Sorting Technology Based on Machine Learning Abstract 1 Introduction 2 Related Work 3 Pulse Description Word 3.1 TOA 3.2 RF 3.3 PW 3.4 DOA 3.5 PA 4 Machine Learning 4.1 Algorithm Classification 4.2 Evaluation Index 5 Experiment Analysis 5.1 Experiment Data 5.2 Experimental Algorithm Selection 5.3 Experimental Results 6 Conclusion References A Novel Microwave Radiometer Using Frequency Scanning Antennas Abstract 1 Introduction 2 The System Structure of the Novel Microwave Radiometer Using Frequency Scanning Antennas 3 The Main Specifications of the Microwave Radiometer 4 The Calibration Method of the Microwave Radiometer 5 The Numerical Simulation 6 Conclusion References Massive Semi-structured Data Platform Based on Elasticsearch and MongoDB Abstract 1 Introduction 2 Related Technology 2.1 Research of Semi-structured Data Storage Technology 2.2 Research of Semi-structured Data Analysis Technology 3 System Architecture 3.1 The Design of Storage Module 3.2 The Design of Analysis Module 4 Experiment Result 4.1 Experimental Environment 4.2 Experimental Analysis 5 Conclusions References SINR Estimation in eMBMS Scenes with Subspace Signal Enhancement Abstract 1 Introduction 2 System Model 3 Main Work and Contribution 3.1 Subspace Signal Enhancement 3.2 SINR Estimation 3.3 SINR Estimation Based on Subspace Signal Enhancement 4 Experiment and Discussion 5 Conclusions References Big Data Workshop The Analysis of Dual-Polarized Antenna in Polarized Wireless Channels Abstract 1 Introduction 2 Model of Dual-Polarized Antenna in Polarized Wireless Channels 2.1 The Pattern of Linear Polarization Antenna 2.2 Model of Different Antenna Posture 2.2.1 Parallel 2.2.2 Rotate Around the Z Axis 2.2.3 Rotate Around the Y Axis 2.2.4 Rotate Around the X Axis 2.2.5 Synthesis 3 Symbol Error Rate Analysis 4 Simulations 4.1 Symbol Error Rate Simulations 4.2 Direction Sensitivity Performance 5 Conclusion Acknowledgment References Research on Classroom Attention Analysis Based on Multi-source Data Correlation Abstract 1 Introduction 2 Data Acquisition and Correlation 2.1 Variable Acquisition 2.2 Target Parameter Value Determination 3 Data Analysis and Intervention 3.1 Data Analysis and Intervention in Class 3.2 Data Analysis and Intervention After Class 4 Conclusion Acknowledgement References Supervised Machine Learning in 5G NSA Networks for Coverage and Performance Analysis Abstract 1 Research Background 2 4G MDT Performance Analysis 3 Supervised Machine Learning Based (SML-Based) 5G MDT 3.1 The Eigenvalue of 5G NSA Coverage and Performance 3.2 SML-Based 5G MDT Performance Analysis 4 Conclusion References An Improved Location Method Research for Mobile Terminal Abstract 1 Introduction 2 Scheme Introduction 2.1 Gauss-Markov Model Introduction 2.2 Gauss-Markov Model Application Flow 3 Scheme Application 4 Scheme Application Effect 5 Conclusions References The Method of Accurate Coverage Optimization for 5G Massive MIMO Based on Big Data Abstract 1 Introduction 2 Overview of 5G Massive MIMO 2.1 The Main Advantages of 5G Massive MIMO 2.2 5G Massive MIMO Antenna Gain 3 Major Challenges for Massive MIMO Coverage Optimization 3.1 Data Network Optimization is More Complicated 3.2 How Does Coverage Optimization Take into Account SSB & CSI 3.3 How Does Coverage Optimization Take into Account Both Cost and Effectiveness 4 Method of Accurate Coverage Optimization for 5G Massive MIMO Based on Big Data 4.1 Accurate Prediction of Massive MIMO Coverage Interference Based on DT Data 4.2 Iterative Optimization Algorithm for High-Dimensional Solution Space Based on Pattern + RF Combination 4.3 Optimized Process of 5G Massive MIMO Coverage Based on Big Data 5 Conclusion References The Interference Mitigation Method and Field Test in C-Band Between 5G System and FSS Receiver Abstract 1 Introduction 2 Scenario 3 Test Method and Cases 3.1 Interference Criterion 3.2 Laboratory and Field Test 4 Test Results 4.1 The Impact of Network Deployment on Interference Power 4.2 The Performance of Different Filters 4.3 The Aggravation of Multiple 5G Cells 4.4 Interference Mitigation Effect 5 Conclusion Acknowledgement References Energy Saving Technology Research and Effect Verification of LTE Network Abstract 1 Introduction 2 Energy Saving Technology Research 2.1 Symbol Shut-off 2.2 Channel Shut-off 2.3 Carrier Shut-off 2.4 Cell Shut-off 3 Effect Verification 4 Comparison and Verification of the Energy-Saving Technology 5 Suggestions on Application of Power Saving Strategy 6 Conclusions References Analysis of LTE and NR Shared Spectrum Based on Traffic Load Abstract 1 Introduction 2 Capacity Planning 2.1 NR and LTE Spectrum Planning 2.2 The Impact of Unlimited Data Plans on LTE Capacity 3 Interference Avoidance 3.1 Spectrum Analysis of NR 2.6 GHz Band 3.2 Cross-Slot Interference Between NR and LTE 4 NR and LTE Timeslot Alignment in Sharing AAU Mode 4.1 LTE Wireless Frame Structure 4.2 NR Wireless Frame Structure 4.3 NR and LTE Time Slot Synchronization 5 Conclusion References The Introduction and Prospect of Extended Range Forecasting in 11sim30 Days at the National Meteorological Center in China Abstract 1 Introduction 2 Data and Method 3 Verification 4 Conclusions and Discussion References Cross-Screen Tracking Method Based on User Behavior Data Abstract 1 Introduction 2 Data Preprocessing 3 Cross-Screen Tracking Algorithm 4 Application Scenario 5 Conclusion Acknowledgement References A Virtual Optical Network Mapping Algorithm Based on Machine Learning Abstract 1 Introduction 2 Problem Description 2.1 Problem Statement 2.2 Physical Network Model 2.3 VON Model 2.4 VON Mapping Process 3 Mapping Algorithms 3.1 Machine Learning Model 3.2 Overall Algorithm Description 4 Experiments and Result 4.1 Simulation Traffic 4.2 Simulation Network 4.3 Simulation Result 5 Conclusion Acknowledgement References Big Data Ecological Platform Architecture Design and Construction Practice in Telecommunication Operators Abstract 1 Introduction 2 Objective and Orientation of Big Data Ecological Platform 3 Big Data Ecological Platform Architecture Design 3.1 Architecture Design 3.2 Core Capability: Data Capability 3.3 Core Capability: Algorithmic Model Capability 3.4 Data Service Layer 3.5 Data Support System 4 Big Data Ecological Platform Construction Practice 4.1 Implementation Route 4.2 Construction Effect 5 Conclusion References An Evaluation Model of User Lifetime Value Based on Improved RFM and AHP Method Abstract 1 Introduction 2 Proposal of the Integrated Value Evaluation Model 2.1 Indicators Framework of the Integrated Value Evaluation 2.2 Method of Weight Calculation 2.3 Indicators of Sub-program Level 3 User Case of the Value Model 3.1 Sample Selection 3.2 Normalization of Indicators 3.3 Weight of Indicators 3.4 Model Performance 4 Conclusion Acknowledgement References Architecture and Technology of Multi-Source Heterogeneous Data System for Telecom Operator Abstract 1 Introduction 2 Multi-Source and Heterogeneous Data 3 Data Access 4 Data Pre-Processing 4.1 Data Cleaning 4.2 Data Transforming 4.3 Data Loading 4.4 Data Association 5 Data Storage and Management 6 Data Application and Visualization 7 Conclusions Acknowledgement References Intelligent Detection of Network Coverage Problems Based on the Clustering Algorithm Abstract 1 Background 2 Intelligent Detection of Coverage Problems 2.1 Coverage Problem Detection Based on Clustering Algorithms 2.2 Geographic Clustering of Coverage Problems 3 Simulations 4 Conclusion Acknowledgement References Exploration and Practice of China Unicom Multi-scene Capability Construction and Open Platform for Large-Scale Heterogeneous Data Abstract 1 Introduction 2 Related Work 2.1 Construction Goals 2.2 Technical Difficulties and Innovations 3 Platform Construction Plan 3.1 Architecture Design 3.2 Key Module Design 4 Platform Operation Practice 4.1 Usage Scenarios 4.2 Operational Effectiveness 5 Conclusion and Future Work References PoC Testing Analysis of Big Data Products Abstract 1 Introduction 1.1 Category of Big Data Products 1.2 Typical Big Data Vendors and Their Products 2 PoC Testing 3 Test Cases 4 Conclusion Acknowledgement References The Next Generation Identity Platform for Digital Era Based on Blockchain Abstract 1 Identity in Digital Era 2 The Next Generation Identity Platform 2.1 Requirements of Identity Platform 2.2 Identity Master Key and Avatar 2.3 Characteristic Claim and Attestation 2.4 Attestation Trust Network 3 Architecture of the Platform 4 Economy System with Identity Platform 4.1 Food Quality Tracking 4.2 Online Rehabilitation Assistance for Disabled Children 5 Conclusion References Research on Rulebase Metamodel Construction and Management Abstract 1 Introduction 2 Types of Rules of International Standards 2.1 Requirement Type 2.2 Recommendation Type 2.3 Permission Type 2.4 Possibility and Capability Type 3 Relationships Between Rules 4 Rulebase Metamodel 4.1 Overview of Rulebase Metamodel 4.2 Classes in the Rulebase Metamodel 4.3 Associations in the Rulebase Metamodel 4.4 Identifiers for Rules 5 Management and Maintenance of Rulebase 5.1 Quality Control 5.2 Version Control 6 Conclusions Acknowledgement References Kubernetes Realizes the Cloud & Network Cooperation Based on Hardware SDN Controller Abstract 1 Background 2 Architecture 2.1 Function design 2.2 Configuration 3 Deployment 4 Verification 4.1 The linkage between container POD network and SDN network to realize inter-network communication during PODs and the network communication between POD and the underlying network 4.2 The real rate of POD network is guaranteed by the underlying network QOS 4.3 Load shedding among PODs is achieved by hardware load balancing virtualization, which makes business safer 5 Summary References Data Visualization of 5G Speed Test Platform Using Tableau Abstract 1 Introduction 2 Introduction to Tableau Visualization Tools 3 The Scheme of 5G Speed Test Platform Design 3.1 Overview of 5G Network 3.2 The Scheme of 5G Speed Test Platform Design 3.3 Principle of Speed Test 3.4 Analysis of Speed Test Log 4 Conclusions References Intelligent Mobile Communication Network Plan for 5G Based on Insight Big Data Abstract 1 Introduction 2 Method 2.1 The Main Process 2.2 Big Data Analysis 2.3 Intelligent Plan 2.4 Fast Network Establishing 3 Application and Advantages 4 Conclusion and Future Work References Research and Application of Precision Marketing Algorithms for ETC Credit Card Based on Telecom Big Data Abstract 1 Backgrounds 2 Business Understanding and Feature Engineering 2.1 Introduction of Operator Big Data 2.2 General Idea 2.3 Feature Engineer Building 2.4 Data’s Pre-processing 3 User’s Clustering 3.1 Existing K-Means Clustering Algorithm 3.2 Advanced K-Means Clustering Algorithm Based on Silhouette Coefficient 3.3 An Example for Advanced K-Means Algorithm 3.4 Simulation and Results 4 Conclusion References Author Index