本程序已被本人整理到WORD文档中，编程语言为MATLAB，本文设计的数字滤波器为带通滤波器，设计参数皆在文档中表明。此程序已经验证是正确可执行的，并能生成图形，值得下载！-This program has been organized into WORD document I, the programming language MATLAB, this design of digital filter for band-pass filter, design parameters are indicated in the document. This procedure has been verified is correct executable, and can generate the graph, it is worth to download!