文档介绍:心音信号去噪方法比较研究2016年01 月06 日摘要........................................................................................................................1关键词.....................................................................................................................1第一章 绪论..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................3第二章  去噪方法分析................................................................................................................................................................................................................................................................. 小波变换..................................................................................................6第三章  心音信号的获取及预处理..................................................................... 心音信号的采集..................................................................................... 心音信号的预处理................................................................................14第四章  心音信号去噪的实验过程..................................................................... 常规方法...............................................................................................  小波去噪..............................................................................................17第五章    滤波方法比较.......................................................................................21第六章    实验总结...................................