Realization Method of Receiver Deep Combination Based on Beidou Second Generation Satellite Navigation System
A satellite navigation system and receiver technology, applied in the field of satellite and inertial combined navigation, can solve the problem of high dynamic adaptability of the receiver, poor tracking sensitivity measurement accuracy, inability to improve the signal quality of the receiver tracking satellite, and inability to improve the receiver tracking satellite Signal robustness and other issues, to achieve the effect of improving high dynamic adaptability and reducing filter bandwidth
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[0029] In the first embodiment, a receiver deep combination implementation method based on the Beidou second-generation satellite navigation system is provided, please refer to Figure 1-Figure 2 , the method includes:
[0030]S10, after the receiver captures the second-generation Beidou satellite, it sends the second-generation Beidou system time and satellite information to the integrated navigation module, and at the same time, the inertial navigation system sends the position and speed of the second-generation Beidou satellite to the integrated navigation module;
[0031] S20, the integrated navigation module performs pseudorange and Doppler prediction according to the information sent by the receiver and the inertial navigation;
[0032] S30, the integrated navigation module performs Kalman filtering on the predicted pseudorange, pseudorange rate, acceleration and jerk to obtain pseudorange and Doppler frequency shift estimated values;
[0033] S40, the integrated naviga...
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