gps官方的datasheet资料

zhangyiming

【文件名】:091025@52RD_is-gps-200mar06.pdf
【格　式】:pdf
【大　小】:1030K
【简　介】:
【目　录】:TABLE OF CONTENTS
1. SCOPE....................................................................................................................................................................1
1.1 Scope ..............................................................................................................................................................1
1.2 IS Approval and Changes...............................................................................................................................1
2. APPLICABLE DOCUMENTS.............................................................................................................................3
2.1 Government Documents .................................................................................................................................3
2.2 Non-Government Documents.........................................................................................................................3
3. REQUIREMENTS ................................................................................................................................................5
3.1 Interface Definition ........................................................................................................................................5
3.2 Interface Identification ...................................................................................................................................5
3.2.1 Ranging Codes .....................................................................................................................................5
3.2.1.1 P-Code........................................................................................................................................6
3.2.1.2 Y-Code .......................................................................................................................................6
3.2.1.3 C/A-Code ...................................................................................................................................6
3.2.1.4 L2 CM-Code (IIR-M, IIF, and subsequent blocks) .....................................................................6
3.2.1.5 L2 CL-Code (IIR-M, IIF, and subsequent blocks) ......................................................................6
3.2.1.6 Non-Standard Codes .................................................................................................................11
3.2.2 NAV Data...........................................................................................................................................11
3.2.3 L1/L2 Signal Structure ........................................................................................................................12
3.3 Interface Criteria...........................................................................................................................................14
3.3.1 Composite Signal ...............................................................................................................................14
3.3.1.1 Frequency Plan..........................................................................................................................14
3.3.1.2 Correlation Loss ........................................................................................................................14
3.3.1.3 Carrier Phase Noise...................................................................................................................14
3.3.1.4 Spurious Transmissions.............................................................................................................14
3.3.1.5 Phase Quadrature......................................................................................................................15
3.3.1.6 User-Received Signal Levels ....................................................................................................15
3.3.1.7 Equipment Group Delay............................................................................................................17
3.3.1.7.1 Group Delay Uncertainty ................................................................................................17
3.3.1.7.2 Group Delay Differential ................................................................................................17
3.3.1.8 Signal Coherence......................................................................................................................17
3.3.1.9 Signal Polarization ....................................................................................................................17
3.3.2 PRN Code Characteristics ...................................................................................................................18
3.3.2.1 Code Structure..........................................................................................................................18
3.3.2.2 P-Code Generation ....................................................................................................................20
3.3.2.3 C/A-Code Generation................................................................................................................30
3.3.2.4 L2 CM-/L2 CL-Code Generation..............................................................................................35
3.3.3 Navigation Data..................................................................................................................................38
3.3.3.1 Navigation Data Modulation (L2 CM)......................................................................................38
3.3.3.1.1 Forward Error Correction................................................................................................38
3.3.4 GPS Time and SV Z-Count.................................................................................................................40
4. NOT APPLICABLE............................................................................................................................................43
5. NOT APPLICABLE............................................................................................................................................45
6. NOTES..................................................................................................................................................................47
6.1 Acronyms .....................................................................................................................................................47
6.2 Definitions ....................................................................................................................................................51
6.2.1 User Range Accuracy.........................................................................................................................51
6.2.2 SV Block Definitions ..........................................................................................................................51
6.2.2.1 Developmental SVs...................................................................................................................51
6.2.2.2 Operational SVs ........................................................................................................................51
6.2.2.2.1 Block II SVs....................................................................................................................51
6.2.2.2.2 Block IIA SVs.................................................................................................................51
6.2.2.2.3 Block IIR SVs .................................................................................................................52
6.2.2.2.4 Block IIR-M SVs ............................................................................................................52
6.2.2.2.5 Block IIF SVs..................................................................................................................52
6.2.3 Operational Interval Definitions..........................................................................................................52
6.2.3.1 Normal Operations ....................................................................................................................52
6.2.3.2 Short-term Extended Operations ...............................................................................................52
6.2.3.3 Long-term Extended Operations ...............................................................................................52
6.2.4 GPS Week Number .............................................................................................................................53
6.2.5 L5 Civil Signal ...................................................................................................................................53
6.3 Supporting Material......................................................................................................................................53
6.3.1 Received Signals ................................................................................................................................53
6.3.2 Extended Navigation Mode (Block II/IIA)..........................................................................................55
6.3.3 Block IIA Mode (Block IIR/IIR-M)....................................................................................................56
6.3.4 Autonomous Navigation Mode ...........................................................................................................56
6.3.5 PRN Code sequences expansion ....................................................................................................... 56a
6.3.5.1 Additional C/A-code PRN sequences ..................................................................................... 56a
6.3.5.2 Additional P-Code PRN sequences.........................................................................................56b
6.3.5.2.1 Additional P-code Generation.......................................................................................56b
6.3.5.3 Additional L2 CM-/L2 CL-Code PRN sequences....................................................................56i
10. APPENDIX I. LETTERS OF EXCEPTION...................................................................................................57
10.1 Scope ..........................................................................................................................................................57
10.2 Applicable Documents ...............................................................................................................................57
10.3 Letters of Exception ...................................................................................................................................57
20. APPENDIX II. GPS NAVIGATION DATA STRUCTURE FOR DATA, D(t) ...........................................65
20.1 Scope ..........................................................................................................................................................65
20.2 Applicable Documents. ...............................................................................................................................65
20.2.1 Government Documents....................................................................................................................65
20.2.2 Non-Government Documents............................................................................................................65
20.3 Requirements..............................................................................................................................................67
20.3.1 Data Characteristics..........................................................................................................................67
20.3.2 Message Structure .............................................................................................................................67
20.3.3 Message Content ...............................................................................................................................81
20.3.3.1 Telemetry Word ......................................................................................................................81
20.3.3.2 Handover Word (HOW)..........................................................................................................81
20.3.3.3 Subframe 1 ..............................................................................................................................83
20.3.3.3.1 Subframe 1 Content.......................................................................................................83
20.3.3.3.2 Subframe 1 Parameter Characteristics ..........................................................................86
20.3.3.3.3 User Algorithms for Subframe 1 Data ..........................................................................86
20.3.3.4 Subframes 2 and 3 ...................................................................................................................93
20.3.3.4.1 Content of Subframes 2 and 3 .......................................................................................93
20.3.3.4.2 Subframe 2 and 3 Parameter Characteristics.................................................................95
20.3.3.4.3 User Algorithm for Ephemeris Determination ..............................................................95
20.3.3.4.4 NMCT Validity Time..................................................................................................101
20.3.3.5 Subframes 4 and 5 .................................................................................................................102
20.3.3.5.1 Content of Subframes 4 and 5 .....................................................................................102
20.3.3.5.2 Algorithms Related to Subframe 4 and 5 Data............................................................117
20.3.4 Timing Relationships ......................................................................................................................126
20.3.4.1 Paging and Cutovers..............................................................................................................126
20.3.4.2 SV Time vs. GPS Time .........................................................................................................126
20.3.4.3 Speed of Light .......................................................................................................................126
20.3.4.4 Data Sets...............................................................................................................................127
20.3.4.5 Reference Times....................................................................................................................130
20.3.5 Data Frame Parity...........................................................................................................................133
20.3.5.1 SV/CS Parity Algorithm........................................................................................................133
20.3.5.2 User Parity Algorithm ...........................................................................................................133
30. APPENDIX III. GPS NAVIGATION DATA STRUCTURE FOR CNAV DATA, DC(t)..........................137
30.1 Scope ........................................................................................................................................................137
30.2 Applicable Documents. .............................................................................................................................137
30.2.1 Government Documents..................................................................................................................137
30.2.2 Non-Government Documents..........................................................................................................137
30.3 Requirements............................................................................................................................................139
30.3.1 Data Characteristics........................................................................................................................139
30.3.2 Message Structure ...........................................................................................................................139
30.3.3 Message Content .............................................................................................................................139
30.3.3.1 Message Type 10 and 11 Ephemeris and Health Parameters ...............................................155
30.3.3.1.1 Message Type 10 and 11 Ephemeris and Health Parameter Content .........................155
30.3.3.1.2 Message Type 10 and 11 Ephemeris Parameter Characteristics .................................158
30.3.3.1.3 User Algorithm for Determination of SV Position......................................................158
30.3.3.2 Message Types 30 Through 37 SV Clock Correction Parameters. .......................................163
.......
30.3.3.5.1 EOP Content ...............................................................................................................175

wenny198561

[em01]

temp0000

好书，专业！！！！！学习

shukman

刚入门，买来看看：）

LINX

看着比较困难！

ybangiao

【文件名】:1043@52RD_091025@52RD_is-gps-200mar06.pdf
【格　式】:pdf
【大　小】:1030K
【简　介】:
【目　录】:

gzliu15

多谢了！

726bf

[em07]没RD币了

ybangiao

多谢了！

xmh800813

谢谢免费

sq_0325

举双手支持免费！！

cxy123_ren

6L 好兄弟,我顶你

luozz

谢谢ybangiao 帅哥，
以前经常来这里，最近1年来关注房价了，来少了。

那些炒房的放1年房子，比 在这里讨论技术的技术精英不知要多赚多少，

政府不去管，太让人失望了。

sam_tom

6L 好兄弟,顶你

yuanrenk

举双手支持免费！！
本文来自：我爱研发网(52RD.com) - R&D大本营
详细出处：http://www.52rd.com/bbs/Detail_RD.BBS_171461_116_1_1.html

deway

剛入門，買來看看

zh2003

多谢6楼的

ywuln

多谢了，好东东

yahan100

学习下。。。多谢6L兄弟！

fishgman

好书，学习借鉴