信号与系统分析及MATLAB实现一书中的所有源代码，具有较高的实用价值！-Signal and System Analysis and MATLAB a book of all the source code has high practical value.

调用MATLAB命令conv()函数，编写离散信号卷积和的通用程序dconv( )-Call the MATLAB command conv () function, the preparation of discrete signal convolution and the general program dconv ()