X射线脉冲星导航:原理与应用 科学出版社 下载 网盘 kindle mobi 115盘 pdf pdb rtf

This book discusses autonomous spacecraft navigation based on X-ray pulsars,analyzing how to process X-ray pulsar signals,how to simulate them,and how to estimate the pulses time of arrival based on epoch folding.In turn,the book presents a range of X-ray pulsar-based spacecraft positioning/time-keeping/attitude determination methods.It also describes the error transmission mechanism of the X-ray pulsar-based navigation system and its corresponding compensation methods.Further,the book introduces readers to navigation based on multiple measurement information fusion,such as X-ray pulsar/traditional celestial body integrated navigation and X-ray pulsar/INS integrated navigation.As such,it offers readers extensive information on both the theory and applications of X-ray pulsar-based navigation,and reflects the latest developments in China and abroad.

1 Introduction 1

1.1 Basic Concept of Spacecraft Autonomous Navigation System 1

1.1.1 Definition of Spacecraft Autonomous Navigation System 1

1.1.2 Necessity of Autonomous Navigation Systems 1

1.2 Three Main Types of Spacecraft Autonomous Navigation Systems 3

1.2.1 Inertial Navigation System 3

1.2.2 Celestial Navigation System 4

1.2.3 Navigation Satellite System 6

1.3 Review of X-Ray Pulsar-Based Navigation 9

1.3.1 Brief Introduction of Pulsar 9

1.3.2 Brief Introduction of X-Ray Pulsar-Based Navigation 10

1.3.3 Famous Programs on XPNAV 11

1.3.4 Progresses of Key Techniques 13

References 22

2 Fundamential of the X-Ray Pulsar-Based Navigation 25

2.1 Space-Time Reference Frame 25

2.1.1 Coordinate System 25

2.1.2 General Relativistic Time System 27

2.2 Timing Model 32

2.2.1 Time and Phase Model 33

2.2.2 Time Transfer Model 35

2.3 Spacecraft Orbital Dynamics and Attitude Dynamics Models 37

2.3.1 Spacecraft Orbital Dynamics Model 37

2.3.2 Spacecraft Attitude Dynamics Model 40

2.4 X-Ray Pulsar-Based Spacecraft Positioning 43

2.4.1 Basic Principle 43

2.4.2 Working Flow 45

2.4.3 Analysis on the X-Ray Detector Configuration Scheme 46

2.5 X-Ray Pulsar-Based Spacecraft Time Keeping 48

2.5.1 Basic Principle 48

2.5.2 System Equation 49

2.5.3 Feasibility Analysis of Time-Keeping via the Observation of One Pulsar 50

2.6 X-Ray Pulsar-Based Spacecraft Attitude Determination 52

2.6.1 Basic Principle 52

2.6.2 Means of Realizing Direction via the Observation of Pulsar 56

References 58

3 X-Ray Pulsar Signal Processing 61

3.1 X-Ray Pulsar Signal Model 61

3.2 Profile Recovery 62

3.2.1 Epoch Folding 62

3.2.2 Period Search 63

3.2.3 Enhancing the Signal to Noise Ratio of Profile 68

3.3 Pulse TOA Calculation for Stationary Case 78

3.3.1 Pulse TOA Calculation Methods 78

3.3.2 Performance Analysis 80

3.4 Pulse TOA Calculation for Dynamics Case 81

3.4.1 Improved Phase Propagation Model 81

3.4.2 Linearized Phase Propagation Model 83

3.4.3 Estimation of Phase and Doppler Frequency 87

3.4.4 Simulation Analysis 91

3.5 Data Processing of XPNAV-1 Data 100

3.5.1 Introduction of the Measured Data of XPNAV-1 100

3.5.2 Data Processing for the Measured Data 101

3.6 Summary 106

References 107

4 Errors Within the Time Transfer Model and Compensation Methods for Earth-Orbing Spacecraft 109

4.1 Modeling of Error Sources Within Time Transfer Model 109

4.1.1 Position Error of Central Gravitational Body 110

4.1.2 Position Error of the Sun 110

4.1.3 Position Error of Other Celestial Bodies 111

4.1.4 Angular Position Error of Pulsar 112

4.1.5 Distance Error of Pulsar 112

4.1.6 Error Within Proper Motion Velocity of Pulsar 113

4.1.7 Error Within Spacecraft-Borne Atomic Clock 113

4.2 Impact of Error Sources 113

4.2.1 Impact of Error Sources on Time Transfer Model 114

4.2.2 Impact of Error Source on Template 120

4.2.3 Impact of Error Source on Positioning Performance 122

4.3 Analysis of Propagation Property of Major Error Sources 125

4.3.1 Propagation Property of Planet Ephemeris Error 125

4.3.2 Propagation Property of Pulsar Angular Position Error 129

4.3.3 Propagation Property of Pulsar Distance Error 130

4.3.4 Propagation Property of Clock Error of Spacecraft-Borne Atomic Clock 131

4.4 Systematic Biases Compensation Method Based on Augmented State 133

4.4.1 Navigation System 133

4.4.2 Observability Analysis 135

4.4.3 Simulation Analysis 138

4.5 Systematic Biases Compensation Method Based on Time-Differenced Measurement 139

4.5.1 Time-Differenced Measurement Model 139

4.5.2 Observability Analysis 139

4.5.3 Modified Unscented Kalman Filter 141

4.5.4 Simulation Analysis 144

4.6 Summary 148

References 149

5 X-Ray Pulsar/Multiple Measurement Information Fused Navigation 151

5.1 XNAV/CNS Integrated Navigation Framework 151

5.1.1 Traditional Celestial Measurement Model 152

5.1.2 Information Fusion Method 154

5.1.3 Error Compensation Method Based on Error Separation Principle 159

5.1.4 Simulation Analysis 161

5.2 XNAV/INS Integrated Navigation Framework 167

5.2.1 Composition of XNAV/INS Integrated Navigation System 168

5.2.2 Dynamic Model 169

5.2.3 Observation Model 169

5.2.4 Simulation Analysis 170

5.3 Summary 173

References 173

6 Spacecraft Autonomous Navigation Using the X-Ray Pulsar Time Difference of Arrival 175

6.1 Shortcomings of Autonomous Navigation Using Inter-satellite Link 175

6.1.1 Inter-satellite Link Ranging Measurement 175

6.1.2 Mathematical Analysis for Orbit Determination Using Inter-satellite Link Ranging 177

6.2 System Observation Model and Observability Analysis 180

6.2.1 Measurement Model for Multiple Spacecraft Observing One Pulsar 180

6.2.2 Ranging Measurement Using Inter-satellite Link 182

6.2.3 Observability Analysis 183

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