erfenfa

说明：  matlab仿真与建模的电子书，英文版，需要一定的英文基础(matlab simulation and modeling of e-books, take some basic English)

说明：  罚函数法求解约束方程 注释非常详细 自己编的源程序(Penalty function method for solving the constraint equations themselves very detailed comments of the source code)

模式识别方面的专业书籍，提供maylab仿真，，不过是英文版，对做毕设的同学有用(Pattern recognition of professional books, provide maylab simulation, but in English, the students complete set of useful to do)

当信噪比低，小信号输入时噪音严重，在整个音域的声音明显变得浑浊不清，不知发的是什么音，严重影响音质。信噪比的大小是用有用信号功率（或电压）和噪声功率（或电压）比值的对数来表示的。(When the signal to noise ratio is low, serious small signal input noise, the sound of the entire range becomes significantly turbid, I do not know what made the sound, seriously affecting the sound quality. Size is the number of the signal to noise ratio by the ratio of desired signal power (or voltage) and the noise power (or voltage) represented.)

code is in matlab for object extraction

计算连续方波信号的付里叶变换，与付里叶系数(consecutive terms of the square wave signal Fourier transform, and the Fourier coefficients)

The attached source code is the implemenation of acoustic echo canceller and noise reduction.

人脸识别的SVM算法，运行正确。采用Matlab编写。(SVM algorithm for face recognition, running correctly。Based on matlab.)

this code described by Matlab file for fitting process for the extract a ellipse curve from the 2D noisy ellipse image.

Code maade decision for n files in which format is better save image into folder