IS-GPS-200F (811524), страница 2

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7820.3.3 Message Content. ...................................................................................................................................... 89iiiIS-GPS-200F21 Sep 201120.3.4 Timing Relationships ..............................................................................................................................

13120.3.5 Data Frame Parity ................................................................................................................................... 13630. APPENDIX III. GPS NAVIGATION DATA STRUCTURE FOR CNAV DATA, DC(t)................................. 13830.1 Scope.

............................................................................................................................................................ 13830.2 Applicable Documents................................................................................................................................... 13830.2.1 Government Documents. ........................................................................................................................ 13830.2.2 Non-Government Documents. ................................................................................................................ 13830.3 Requirements. ................................................................................................................................................

13830.3.1 Data Characteristics. ............................................................................................................................... 13830.3.2 Message Structure. .................................................................................................................................. 13930.3.3 Message Content. .................................................................................................................................... 13930.3.4 Timing Relationships.

............................................................................................................................. 18830.3.5 Data Frame Parity. .................................................................................................................................. 19040. APPENDIX IV GPS NAVIGATION DATA STRUCTURE FOR LNAV DATA, D(t), FOR PRN 33-63 ........ 19240.1 Scope. ............................................................................................................................................................ 19240.2 Applicable Documents...................................................................................................................................

19240.3 Requirements ................................................................................................................................................. 19240.3.1 Data Characteristics. ............................................................................................................................... 19240.3.2 Message Structure. .................................................................................................................................. 19240.3.3 Message Content. ....................................................................................................................................

20440.3.4 Timing Relationships. ............................................................................................................................. 21040.3.5 Data Frame Parity. ..................................................................................................................................

210ivIS-GPS-200F21 Sep 2011List of FiguresFigure 3-1.Generation of P-, C/A-Codes and Modulating Signals...................................................................... 22Figure 3-2.X1A Shift Register Generator Configuration .................................................................................... 24Figure 3-3.X1B Shift Register Generator Configuration .................................................................................... 25Figure 3-4.X2A Shift Register Generator Configuration .................................................................................... 26Figure 3-5.X2B Shift Register Generator Configuration ....................................................................................

27Figure 3-6.P-Code Generation ............................................................................................................................ 29Figure 3-7.P-Code Signal Component Timing.................................................................................................... 30Figure 3-8.G1 Shift Register Generator Configuration ....................................................................................... 33Figure 3-9.G2 Shift Register Generator Configuration .......................................................................................

34Figure 3-10.Example C/A-Code Generation ......................................................................................................... 35Figure 3-11.C/A-Code Timing Relationships ....................................................................................................... 36Figure 3-12.L2 CM-/L2 CL-Code Timing Relationships ..................................................................................... 38Figure 3-13.L2 CM/L2 CL Shift Register Generator Configuration..................................................................... 39Figure 3-14.Convolutional Encoder ......................................................................................................................

41Figure 3-15.Convolutional transmit/Decoding Timing Relationships .................................................................. 41Figure 3-16.Time Line Relationship of HOW Message ....................................................................................... 43Figure 6-1.User Received Minimum Signal Level Variations (Example, Block II/IIA/IIR) .............................. 54Figure 10.3-1.Letters of Exception. .........................................................................................................................

69Figure 10.3-2.Letters of Exception (continued) ...................................................................................................... 70Figure 10.3-3.Letters of Exception (continued) ...................................................................................................... 71Figure 10.3-4.Letters of Exception (continued). ..................................................................................................... 72Figure 10.3-5.Letters of Exception (continued) ......................................................................................................

73Figure 10.3-6.Letters of Exception (continued). ..................................................................................................... 74Figure 10.3-7.Letters of Exception (continued). ...................................................................................................... 75Figure 10.3-8.Letters of Exception (continued). ..................................................................................................... 76Figure 20-1.Data Format (sheet 1 of 11) ...............................................................................................................

79vIS-GPS-200F21 Sep 2011Figure 20-1.Data Format (sheet 2 of 11) ............................................................................................................... 80Figure 20-1.Data Format (sheet 3 of 11) ............................................................................................................... 81Figure 20-1.Data Format (sheet 4 of 11) ...............................................................................................................

82Figure 20-1.Data Format (sheet 5 of 11) ............................................................................................................... 83Figure 20-1.Data Format (sheet 6 of 11) ............................................................................................................... 84Figure 20-1.Data Format (sheet 7 of 11) ...............................................................................................................

85Figure 20-1.Data Format (sheet 8 of 11) ............................................................................................................... 86Figure 20-1.Data Format (sheet 9 of 11) ............................................................................................................... 87Figure 20-1.Data Format (sheet 10 of 11) ............................................................................................................. 88Figure 20-1.Data Format (sheet 11 of 11) .............................................................................................................

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