Dig_Filter

直接运行，小波分析，消除噪声干扰，便于数据处理(Motor data, wavelet analysis is generally current and voltage data, to facilitate the diagnosis of faults)

谱元法（sem)学习程序之一，用于对各类波场的模拟计算(Spectral element method (sem) to learn one of the procedures for various types of wave field simulation)

利用小波的能量距作为特征进行雷达波形的特征提取(From the use of wavelet energy as a radar waveform characteristics of the feature extraction)

说明：  求解各复杂混沌程序的最大李指数，以便于分析混沌系统的各种性质.(Chaotic procedures for solving the complex the largest Lyapunov exponent in order to facilitate analysis of various properties of chaotic systems.)

绘制柯西雪花曲线，直接运行koch（x）就可以得到x阶的曲线。(Draw koch snow curve.Run koch(x) directly and you can get the x step koch snow curve)

一个关于小波分解与重构的示例程序，能显示不同尺度的分解与重构系数。(On wavelet decomposition and reconstruction of a sample program that can display a different scale decomposition and reconstruction coefficients.)

说明：  基于小波系数块能量分析的自适应数字水印算法(Energy analysis based on wavelet coefficients of adaptive digital watermarking algorithm)

采用matlab编程的DTMF检测程序仿真，经过测试，绝对可用，可检测多个DTMF信号！(using Matlab programming DTMF detection process simulation, tested and absolutely can be used, can detect DTMF signals over!)

粒子群优化算法代码，用于matlab优化计算(Particle swarm optimization algorithm code)

说明：  直接序列扩频通信系统建模与仿真 模型及所有仿真代码(Direct sequence spread spectrum communication system modeling and simulation model and simulation code for all)