forconv

代码说明：

说明：  求两个方波信号的卷积，对两个方波信号进行卷积计算，通过比较输入的两个信号和输出地卷机信号来说明卷积。(Demand convolution of two square wave signals, the convolution of two square wave signals calculated by comparing two input signals and output signals to paper machine to illustrate convolution.)