北斗系统空间信号接口控制文件B2a v1.0

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1、BeiDouNavigationSatelliteSystemSignalInSpaceInterfaceControlDocumentOpenServiceSignalB2a(Version1.0)ChinaSatelliteNavigationOfficeDecember,20172017ChinaSatelliteNavigationOfficeTableofContents1Statement............................................................................................

2、..............12Scope................................................................................................................13BDSOverview.................................................................................................13.1SpaceConstellation..............................

3、...................................................13.2CoordinateSystem...................................................................................23.3TimeSystem............................................................................................34SignalCharacteristics............

4、..........................................................................34.1SignalStructure........................................................................................34.2SignalModulation...................................................................................44.2.1Modul

5、ation.....................................................................................44.2.2B2aSignal......................................................................................54.3LogicLevels.........................................................................................

6、...64.4SignalPolarization...................................................................................64.5CarrierPhaseNoise.................................................................................64.6Spurious.........................................................................

7、..........................74.7CorrelationLoss.......................................................................................74.8Data/CodeCoherence............................................................................