Integer ambiguity Kalman filtering algorithm based on inertial navigation assistance
A technology of integer ambiguity and filtering algorithm, applied in radio wave measurement system, satellite radio beacon positioning system, measurement device, etc., to achieve the effects of easy engineering implementation, improved dynamic adaptability, and simple algorithm application
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[0038] The present invention is described in detail below in conjunction with specific embodiment:
[0039] A kind of integer ambiguity Kalman filter algorithm based on inertial navigation assistance, it comprises the following steps:
[0040] (1) Satellite acquisition tracking and synchronization
[0041] The reference station and the rover capture satellite navigation signals in sequence, and perform bit synchronization and frame synchronization to the tracking satellites;
[0042] (2) Observation extraction
[0043] Extract the satellite pseudorange and carrier phase observations after frame synchronization, and obtain the ephemeris parameters of each navigation satellite after frame synchronization;
[0044] (3) Determine the satellite position and speed calculation
[0045] According to the satellite position calculation method provided by the satellite navigation interface control file (ICD), input the satellite launch time and ephemeris parameters to calculate the sa...
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