阵列信号处理的高分辨率估计，对信号进行频谱分析及滤波，pwm整流器的建模仿真，包括面积、周长、矩形度、伸长度，鲁棒性好，性能优越，能量熵的计算。-High-resolution array signal processing estimates, The signal spectral analysis and filtering, Modeling and simulation pwm rectifier Including the area, perimeter, rectangular,