多采样率信号处理在FIR数字滤波器中的应用，是了解多采样率信号处理的好文章，值得一看-Multirate signal processing in FIR digital filter application, is to understand the multirate signal processing, good article, worth a visit

一个师兄的毕设，应用小区域方差对比，程序简单，多抽样率信号处理。- A complete set of brothers, Application of small area variance comparison, simple procedures, Multirate signal processing.