此文档是使用C语言实现数字滤波，对高通或低通滤波器的C语言程序介绍。,This document is the use of C language realization of digital filter for high-pass or low-pass filter to introduce the C language program.

本程序用C语言编程，实现了FIR数字带阻滤波器的功能，达到了实验的要求。-This procedure using C language programming, the FIR digital bandstop filter function to achieve the requirements of the experiment.