"2022年8月最新发布的IS-GPS-200N ICD文件解读及授权说明"

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IS-GPS-200N

01-AUG-2022

Table 30-XIII. Reference Times ......................................................................................................................... 209

Table 40-V. Data IDs and SV IDs in Subframes 4 and 5................................................................................ 226

IS-GPS-200N

01-AUG-2022

xvi

LIST OF FIGURES

Figure 3-1. Generation of P-, C/A-Codes and Modulating Signals ................................................................. 20

Figure 3-2. X1A Shift Register Generator Configuration ............................................................................... 22

Figure 3-3. X1B Shift Register Generator Configuration ............................................................................... 23

Figure 3-4. X2A Shift Register Generator Configuration ............................................................................... 23

Figure 3-5. X2B Shift Register Generator Configuration ............................................................................... 24

Figure 3-6. P-Code Generation ........................................................................................................................ 26

Figure 3-7. P-Code Signal Component Timing ............................................................................................... 27

Figure 3-8. G1 Shift Register Generator Configuration .................................................................................. 29

Figure 3-9. G2 Shift Register Generator Configuration .................................................................................. 30

Figure 3-10: Example C/A-Code Generation ....................................................................................................... 31

Figure 3-11. C/A-Code Timing Relationships................................................................................................... 32

Figure 3-12. L2 CM-/L2 CL-Code Timing Relationships................................................................................. 34

Figure 3-13. L2 CM/L2 CL Shift Register Generator Configuration ................................................................ 35

Figure 3-14. Convolutional Encoder ................................................................................................................. 36

Figure 3-15. Convolutional transmit/Decoding Timing Relationships ............................................................. 37

Figure 3-16. Time Line Relationship of HOW Message ................................................................................... 39

Figure 6-1. User Received Minimum Signal Level Variations (Example, Block IIR) ................................... 51

Figure 10.3-1. Letters of Exception ..................................................................................................................... 70

Figure 10.3-2. Letters of Exception (continued) ................................................................................................. 71

Figure 10.3-3. Letters of Exception (continued) ................................................................................................. 72

Figure 10.3-4. Letters of Exception (continued) ................................................................................................. 73

Figure 10.3-5. Letters of Exception (continued) ................................................................................................. 74

Figure 10.3-6. Letters of Exception (continued) ................................................................................................. 75

Figure 10.3-7. Letters of Exception (continued) .................................................................................................. 76

Figure 10.3-8. Letters of Exception (continued) ................................................................................................. 77

Figure 20-1. Data Format (sheet 1 of 11) .......................................................................................................... 80

Figure 20-1. Data Format (sheet 2 of 11) .......................................................................................................... 81

Figure 20-1. Data Format (sheet 3 of 11) .......................................................................................................... 82

Figure 20-1. Data Format (sheet 4 of 11) .......................................................................................................... 83

Figure 20-1. Data Format (sheet 5 of 11) .......................................................................................................... 84

IS-GPS-200N

01-AUG-2022

xvii

Figure 20-1. Data Format (sheet 6 of 11) .......................................................................................................... 85

Figure 20-1. Data Format (sheet 7 of 11) .......................................................................................................... 86

Figure 20-1. Data Format (sheet 8 of 11) .......................................................................................................... 87

Figure 20-1. Data Format (sheet 9 of 11) .......................................................................................................... 88

Figure 20-1. Data Format (sheet 10 of 11) ........................................................................................................ 89

Figure 20-1. Data Format (sheet 11 of 11) ........................................................................................................ 90

Figure 20-2. TLM and HOW Formats ............................................................................................................... 92

Figure 20-3. Sample Application of Correction Parameters ........................................................................... 102

Figure 20-4. Ionospheric Model (Sheet 1 of 3) ............................................................................................... 130

Figure 20-4. Ionospheric Model (Sheet 2 of 3).................................................................................................. 131

Figure 20-4. Ionospheric Model (Sheet 3 of 3).................................................................................................. 132

Figure 20-5. Example Flow Chart for User Implementation of Parity Algorithm .......................................... 140

Figure 30-1. Message Type 10 - Ephemeris 1 ................................................................................................. 143

Figure 30-2. Message Type 11 - Ephemeris 2 ................................................................................................. 144

Figure 30-3. Message Type 30 - Clock, IONO & Group Delay ........................................................................ 145

Figure 30-4. Message Type 31 - Clock & Reduced Almanac ............................................................................ 146

Figure 30-5. Message Type 32 - Clock & EOP ............................................................................................... 147

Figure 30-6. Message Type 33 - Clock & UTC .............................................................................................. 148

Figure 30-7. Message Type 34 - Clock & Differential Correction.................................................................. 149

Figure 30-8. Message Type 35 - Clock & GGTO ........................................................................................... 150

Figure 30-9. Message Type 36 - Clock & Text ............................................................................................... 151

Figure 30-10. Message Type 37 - Clock & Midi Almanac ........................................................................... 152

Figure 30-11. Message Type 12 - Reduced Almanac.................................................................................... 153

Figure 30-12. Message Type 13 - Clock Differential Correction .................................................................. 154

Figure 30-13. Message Type 14 - Ephemeris Differential Correction .......................................................... 155

Figure 30-14. Message Type 15 - Text .......................................................................................................... 156

Figure 30-14a. Message Type 40 - Integrity Support Message....................................................................... 157

Figure 30-15. Reduced Almanac Packet Content .......................................................................................... 180

Figure 30-16. Differential Correction Data Packet ........................................................................................ 186

Figure 40-1. Data Format (sheet 1 of 11) ........................................................................................................... 213

Figure 40-1. Data Format (sheet 2 of 11) ........................................................................................................... 214