Contents1.Introduction42.PrincipleofRadioNavigation53.GPSEphemerisParameter84.GPSErrors104.1IonosphericError114.2TroposphereError124.3SatelliteClockError135.Simulation&GPSToolbox145.1Calculationofsatelliteposition205.1.1MfileSimulation-SV_Ephemeris_Model215.2IonosphericError225.2.1MfileSimulation-Error_Ionospheric_Klobuchar235.3TroposphericError245.3.1MfileSimulation-Error_Tropospheric_Hopfield255.4SatelliteClockError265.4.1MfileSimulation-Error_Satellite_Clock_Offset&Error_Satellite_Clock_Relavastic285.5ResultPlot296.Reference307.Appendix317.1MainMfile317.2Error_Satellite_Clock_Offset327.3Error_Satellite_Clock_Relavastic337.4Error_Ionospheric_Klobuchar337.5Error_Tropospheric_Hopfield357.6Gen_G_DX_XYZ_B367.7plot_Orbit377.8Main39
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