Multipath error modeling method for LAAS
A modeling method and multi-path error technology, applied in satellite radio beacon positioning systems, measurement devices, instruments, etc., can solve the problems of continuous reduction of differential enhancement information accuracy, etc.
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[0049] In order to better illustrate the purpose and advantages of the present invention, below in conjunction with the attached figure 1 The technical scheme of the present invention will be further described. In this specific implementation manner, four ground monitoring stations (A, B, C, and D) of LAAS are taken as examples for method description. The equipment in the present invention includes: LAAS system ground GNSS monitoring station, the schematic diagram is as figure 1 As shown, the monitoring station receives the GNSS signal, tracks and captures the carrier phase measurement and pseudo-range measurement data, and then sends it to the LAAS ground processing center, which performs multipath error separation and modeling based on the accumulated historical data of each monitoring station, and according to The observation data of each monitoring station received in real time is processed by LAAS differential enhancement information and integrity processing. The whole p...
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