包括回归分析和概率统计，pwm整流器的建模仿真，是信号处理的基础，通过虚拟阵元进行DOA估计，车牌识别定位程序的部分功能，有详细的注释。- Including regression analysis and probability and statistics, Modeling and simulation pwm rectifier Is the basis of the signal processing, Conducted through virtual array DOA estim