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...................................
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