IS-GPS-200H (797934), страница 2

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19540.1Scope ........................................................................................................................ 19540.2Applicable Documents ............................................................................................. 19540.3Requirements ............................................................................................................ 195vIS-GPS-200H24 Sep 201340.3.1Data Characteristics .............................................................................................. 19540.3.2Message Structure .................................................................................................

19540.3.3Message Content. .................................................................................................. 20740.3.4Timing Relationships. ........................................................................................... 21340.3.5Data Frame Parity. ................................................................................................ 213viIS-GPS-200H24 Sep 2013LIST OF FIGURESFigure 3-1.Generation of P-, C/A-Codes and Modulating Signals ......................................... 21Figure 3-2.X1A Shift Register Generator Configuration........................................................ 23Figure 3-3.X1B Shift Register Generator Configuration ........................................................ 24Figure 3-4.X2A Shift Register Generator Configuration........................................................

25Figure 3-5.X2B Shift Register Generator Configuration ....................................................... 26Figure 3-6.P-Code Generation ................................................................................................ 28Figure 3-7.P-Code Signal Component Timing ....................................................................... 29Figure 3-8.G1 Shift Register Generator Configuration .......................................................... 32Figure 3-9.G2 Shift Register Generator Configuration ..........................................................

33Figure 3-10:Example C/A-Code Generation ............................................................................ 34Figure 3-11.C/A-Code Timing Relationships........................................................................... 35Figure 3-12.L2 CM-/L2 CL-Code Timing Relationships......................................................... 37Figure 3-13.L2 CM/L2 CL Shift Register Generator Configuration ........................................ 38Figure 3-14.Convolutional Encoder ......................................................................................... 40Figure 3-15.Convolutional transmit/Decoding Timing Relationships .....................................

40Figure 3-16.Time Line Relationship of HOW Message ........................................................... 42Figure 6-1.User Received Minimum Signal Level Variations (Example, Block II/IIA/IIR) 52Figure 10.3-1. Letters of Exception. ............................................................................................ 66Figure 10.3-2. Letters of Exception (continued) .......................................................................... 67Figure 10.3-3. Letters of Exception (continued) ..........................................................................

68Figure 10.3-4. Letters of Exception (continued). ......................................................................... 69Figure 10.3-5. Letters of Exception (continued) .......................................................................... 70Figure 10.3-6. Letters of Exception (continued). .........................................................................

71Figure 10.3-7. Letters of Exception (continued). ......................................................................... 72viiIS-GPS-200H24 Sep 2013Figure 10.3-8. Letters of Exception (continued). ......................................................................... 73Figure 20-1.Data Format (sheet 1 of 11)................................................................................. 76Figure 20-1.Data Format (sheet 2 of 11)................................................................................. 77Figure 20-1.Data Format (sheet 3 of 11).................................................................................

78Figure 20-1.Data Format (sheet 4 of 11)................................................................................. 79Figure 20-1.Data Format (sheet 5 of 11)................................................................................. 80Figure 20-1.Data Format (sheet 6 of 11)................................................................................. 81Figure 20-1.Data Format (sheet 7 of 11)................................................................................. 82Figure 20-1.Data Format (sheet 8 of 11)................................................................................. 83Figure 20-1.Data Format (sheet 9 of 11).................................................................................

84Figure 20-1.Data Format (sheet 10 of 11)............................................................................... 85Figure 20-1.Data Format (sheet 11 of 11)............................................................................... 86Figure 20-2.TLM and HOW Formats ..................................................................................... 89Figure 20-3.Sample Application of Correction Parameters .................................................. 100Figure 20-4.Ionospheric Model (Sheet 1 of 3)......................................................................

127Figure 20-4.Ionospheric Model (Sheet 2 of 3)...................................................................... 128Figure 20-4.Ionospheric Model (Sheet 3 of 3)...................................................................... 129Figure 20-5.Example Flow Chart for User Implementation of Parity Algorithm ................ 138Figure 30-1.Message Type 10 - Ephemeris 1 ....................................................................... 141Figure 30-2.Message Type 11 - Ephemeris 2 .......................................................................

142Figure 30-3.Message Type 30 - Clock, IONO & Group Delay ............................................ 143Figure 30-4.Message Type 31 - Clock & Reduced Almanac ............................................... 144Figure 30-5.Message Type 32 - Clock & EOP ..................................................................... 145Figure 30-6.Message Type 33 - Clock & UTC ..................................................................... 146Figure 30-7.Message Type 34 - Clock & Differential Correction ........................................ 147viiiIS-GPS-200H24 Sep 2013Figure 30-8.Message Type 35 - Clock & GGTO ................................................................. 148Figure 30-9.Message Type 36 - Clock & Text ..................................................................... 149Figure 30-10.

Message Type 37 - Clock & Midi Almanac ..................................................... 150Figure 30-11. Message Type 12 - Reduced Almanac .............................................................. 151Figure 30-12. Message Type 13 - Clock Differential Correction ............................................ 152Figure 30-13. Message Type 14 - Ephemeris Differential Correction .................................... 153Figure 30-14.

Message Type 15 – Text ................................................................................... 154Figure 30-15. Reduced Almanac Packet Content .................................................................... 177Figure 30-16. Differential Correction Data Packet .................................................................. 183Figure 40-1.Data Format (sheet 1 of 11) ..............................................................................

196Figure 40-1.Data Format (sheet 2 of 11) .............................................................................. 197Figure 40-1.Data Format (sheet 3 of 11) .............................................................................. 198Figure 40-1.Data Format (sheet 4 of 11) ..............................................................................

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