Analyzing and comparing 61 exceptional cases by using wavelet theory and MATLAB wavelet toolbox, including eigenvalue computing. And finding the basic rule of blood-flow curve of exceptional case.

• 摘要运用小波分析理论和MATLAB软件的小波分析工具，对61例异常病例的肢体血流图样本数据进行分析和对比，提取信号的频率、波幅等特征值，发现异常病例的肢体血流图变化的基本规律。