Self-integrity monitoring method suitable for satellite-borne navigation receiver
A navigation receiver and integrity monitoring technology, applied in the field of satellite applications, can solve problems such as large resource occupation, achieve the effects of small calculation amount, avoid complex calculation, and simplify calculation amount
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[0069] In order to verify the on-orbit performance of the present invention, the ground and the simulation signal source are jointly tested, and the schematic diagram of the verification system built is as follows figure 2 :
[0070] RAIM is an algorithm embedded inside the receiver. The simulation signal source uses SimGEN simulation control software from Sprint Company to simulate and generate satellite-borne radio frequency signals. The simulation scene lasts for 8 hours. The original orbit data is set in the following table:
[0071] Table 1 Number of six tracks set
[0072] orbital major axis
[0073] Considering the actual on-orbit performance requirements and the characteristics of the orbit of the spacecraft, the selection of prior parameters in this experiment is designed according to the parameters in the table below.
[0074] Table 2 RAIM scenario design
[0075] scene / parameter
[0076] Within 8 hours, the running time used by the parity spa...
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