PID

利用保留交叉验证(hold-out)的特征选择，有筛选排序的功能，并最终可以输出对应特征下标。(The use of cross-validation reserved (hold-out) feature selection, there is sort of filtering function, and eventually you can output the corresponding feature subscript.)

可以实现Gabor变换，其中包含了采用C语言和Matlab两种工具实现(can achieve Gabor transform, which contains the C language and tools to achieve both Matlab)

For simulation of communication system using matlab

DS_CDMA的程序实现 主要分为同步和异步的程序代码，可以自己进行仿真(The program realization are divided into synchronous and asynchronous DS CDMA program code, can simulate ourselves )

医学超声成像权威仿真软件Field Ⅱ使用说明书(Authoritative medical ultrasound imaging simulation software Field Ⅱ manual)

对呼吸信号进行检测的MATLAB程序，输入采集到的呼吸电信号，输出呼吸信号的峰值。(The respiratory signal detection MATLAB program, enter the collection to the respiratory signal, the output signal peak breath.)

knn是一种分类算法，它是基于matlab的一种模式识别的经典算法，一般适用于样本个数较小的样本分类。(KNN, it is classification algorithm based on matlab a pattern recognition of the classic algorithm, generally applied in sample number of smaller sample classification. )

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this is a matlab file channel rate who is maked by me.this is used in gsm,gprs,edge traffic simulation.

GMRES(Generalized minimal residual) Iterative Method. A is a square matrix.