到达过程是的泊松过程，单径或多径瑞利衰落信道仿真，pwm整流器的建模仿真，对信号进行频谱分析及滤波，采用波束成形技术的BER计算，GPS和INS组合导航程序。-Arrival process is a Poisson process, Single path or multipath Rayleigh fading channel simulation, Modeling and simulation pwm rectifier The signal spectral analysis and