title('xn'); subplot(2,2,2) plot(yn); title('直接卷积'); subplot(2,2,3) plot(yn1); title('filter函数'); subplot(2,2,4) plot(y3); title('iir计算');

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.

The purpose of this paper is to provide a practical introduction to the discrete Kal-man filter. This introduction includes a descr iption and some discussion of the basic discrete Kalman filter, a derivation, descr iption and some discussion of the