离散小波变换是指在特定子集上采取缩放和平移的小波变换，是一种兼具时域和频域多分辨率能力的信号分析工具。此变换运用可以缩放平移的小波代替固定的窗进行计算分析，主要应用于信号编码和数据压缩。-Discrete wavelet transform refers to the specific subset take scaling and translation on the wavelet transform, is a kind of multi-resolution ability both t

1-D信号压缩传感的实现(正交匹配追踪法Orthogonal Matching Pursuit)： 1. 时域测试信号生成 2. 时域信号压缩传感 3. 正交匹配追踪法重构信号 4. 恢复信号和原始信号对比-1-D signal compression sensing implementation (orthogonal matching pursuit method Orthogonal Matching Pursuit): 1. 2. The time-domain test

本课题研究设计了一个图形用户界面（Graphical User Interface，简称 GUI，又称图形用户接口），用以调用显示出心音信号的时域波形、频域波形、能量分布、心率以及一些特征信息。-This paper has designed a graphical user interface (Graphical User Interface, referred to as GUI, also known as the graphical user interface),which used