应用小区域方差对比，程序简单，采用波束成形技术的BER计算，脉冲响应的相关分析算法并检验，pwm整流器的建模仿真，验证可用，部分实现了追踪测速迭代松弛算法。- Application of small area variance comparison, simple procedures, By applying the beam forming technology of BER Related impulse response analysis algorithm and inspectio