Research on Anti-wideband Interference Performance of Space - time Joint Algorithm of Beidou Receiver

In this paper, the principle and simulation of space-time combined power inversion algorithm are studied, and a complete anti-interference performance verification process is built to test the acquisition ability of satellite navigation signals under linear frequency modulation broadband interference and strong noise, and evaluate the performance of the algorithm. Experiments show that the space-time joint processing power inversion algorithm extends the anti-interference of degrees of freedom, has a resolution of arrival angle and frequency of received signal. In the broadband interference environment with low SNR and high ISR, the navigation signal can still be captured normally and the influence of interference can be suppressed by algorithm processing. This algorithm has a high application prospect.