用vc6.0开发出一小波滤波的程序。内容包括仿真数据生成，文本数据读取，滤波器系数构造，小波分解与重构，小波阈值及阈值函数选择，小波降噪。-vc6.0 developed using a wavelet filter procedures. Include simulation data generation, text to read data, filter coefficients structure, wavelet decomposition and reconstruction. W

全文介绍了小波变换的基本理论，并介绍了一些常用的小波函数，它们的主要性质包括紧支集长度、滤波器长度、对称性、消失矩等，都做了简要的说明。在不同的应用场合，各个小波函数各有利弊。-Text describes the basic theory of wavelet transform, and describes some of the commonly used wavelet function, their main properties include compactly supported