一种优化窄带低轨卫星通信对导航信号接收干扰的方法OA

With the development and progress of satellite communication technology,the application of narrowband low-orbit integrated com-munication and navigation terminals has attracted much attention.However,when narrowband low-orbit integrated communication and naviga-tion terminals transmit communication signals,they usually interfere with the reception of navigation signals,directly affecting the positioning services of the terminals.To solve this problem,a method for optimizing the interference of narrowband low-orbit satellite communication on the reception of navigation signals is proposed.This method first constructs a"signal target range model",and then proposes a new detection algo-rithm based on the differential algorithm to determine the antenna direction with better individual solutions that simultaneously meet the require-ments of communication and navigation services.Once interference is detected,the communication antenna and navigation antenna directions are quickly adjusted based on this method to restore the normal reception of navigation signals.The method was simulated and experimented with MATLAB,and the experimental results further prove the feasibility of the method.