A satellite positioning integrity detection device and its algorithm
A technology of satellite positioning and integrity, applied in satellite radio beacon positioning systems, measuring devices, radio wave measuring systems, etc., can solve the problems of reduced number of satellite measurement values, large errors, and the inability of the receiver to give positioning results, etc. Achieve the effect of improving customer experience
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[0031] Such as figure 1 Shown is a schematic diagram of a GNSS navigation receiver integrated with a MEMS barometer device to achieve positioning. The GNSS receiver receives radio frequency signals from multiple GNSS satellite constellations 101 through the multi-mode antenna 102, and converts them into digital intermediate frequency signals that can be directly processed by a digital signal processor in the radio frequency processing module 103. The digital signal processing module 104 processes the digital intermediate frequency signal, captures and tracks the signals of each satellite, demodulates the navigation message and obtains the measurement value information of the satellite. The MEMS barometer 105 integrated in the GNSS receiver module works independently of the GNSS receiver, and provides current air pressure information to the receiver in real time.
[0032] The positioning calculation module 106 is responsible for processing the satellite measurement value and t...
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