北斗系统空间信号接口控制文件B1C、B2a（测试版）英文版

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1、BeiDouNavigationSatelliteSystemSignalInSpaceInterfaceControlDocumentOpenServiceSignalsB1CandB2a(TestVersion)ChinaSatelliteNavigationOfficeAugust,20172017ChinaSatelliteNavigationOfficeTableofContents1Statement..........................................................................

2、............12Scope.............................................................................................13BeiDouSystemOverview............................................................23.1SpaceConstellation..............................................................23.2C

3、oordinateSystem................................................................23.3TimeSystem.........................................................................34SignalCharacteristics...................................................................44.1SignalStructure........

4、............................................................44.2SignalModulation................................................................54.2.1B1CSignal..............................................................54.2.2B2aSignal...............................................

5、................84.3LogicLevels.........................................................................94.4SignalPolarization..............................................................104.5CarrierPhaseNoise............................................................104.6Spurious

6、..............................................................................104.7CorrelationLoss.................................................................104.8Data/CodeCoherence.........................................................104.9SignalCoherence....................

7、............................................104.10ReceivedPowerLevelsonGround....................................115RangingCodeCharacteristics....................................................115.1RangingCodeStructure.....................................................115.2B1CRan

8、gingCodes..........