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基于采样法的滤波器设计，完成一个对MP3信号的加噪，滤波的仿真(Based on sampling of the filter design, the completion of an MP3 signal plus noise, filtering simulation)

This document is licensed under the SGI Free Software B License Version 2.0.

一种流形学习算法（很好用），用于特征降维，特征融合，相关分析等,分析了该信号的时域、频域、倒谱，循环谱等。( A fluid manifold learning algorithm (good use), For feature reduction, feature fusion, correlation analysis, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.)

一般的esprit算法计算复杂度高，在计算子空间是算法比较烦，改一些矩阵算法可以减少其复杂度。(Esprit general algorithm of high computational complexity in the calculation of subspace algorithms trouble is, some matrix algorithm can be changed to reduce its complexity.)

不动点连续近似奇异值分解算法用于解决矩阵填充的代码(Fixed point and Bregman iterative methods for matrix rank minimization)

在网上找到的代码 在网上那个找到的系统辨识与自适应控制程序 大家分享(Online to find the code online that found in the system identification and adaptive control procedures to share)

说明：  双音频按键识别 背景： 打电话拨号时，每次按键会发出不同的声音，这些声音实际上是由一些固定频率的正弦信号合成的。因为每个按键声音包含两个不同频率的正弦信号，因此也被称为“双音频”信号，简记为DTMF。这相当于是对不同键位用‘音频’进行了编码，如同计算机领域中用数字0和1对处理对象（包括键盘）进行编码。(Two-tone buttons identify Background: When you call dial, each key emits different sounds, which is actually made up of some fixed frequency sinusoidal signal synthesis. Because the sound of each key contains two sinusoidal signals of different frequencies, it is also known as &quot two-tone&quot signal, abbreviated as DTMF. This is equivalent to different keys using the ' audio' encoded, as the computer industry with the numbers 0 and 1 pair of processing object (including the keyboard) to be encoded.)

只要输入低通滤波器系数，可画有负数尺度的多尺度函数的图象(As long as the importation of low-pass filter coefficient, can be painted a negative multi-scale image scaling function)

说明：  通过matlab程序显示行波演示动态图，可供课堂演示(Matlab procedures adopted traveling wave demonstration showed dynamic map, available for classroom presentation)

这本书介绍了matlab的变成方法和基本的数值算法在matlab上的实现，初学者可以看看(This book describes the methods and become the basic numerical algorithms are implemented on matlab matlab, the beginner can look)