eg21-zhongliuzhengduan

短时fourier变换 tfrstft计算离散信号x（t）(Short-time fourier transform discrete signals tfrstft computing x (t))

说明：  用matlab写的关于求群聚系数的代码，通过编译(Written with the matlab code on demand clustering coefficient, by compiling)

本代码实现了小波神经网络的MATLAB代码实现，为有此开发需求的人提供源码(This code implements the MATLAB code for wavelet neural network implementation of this development needs to have to provide source)

水声通信信道参数的生成以及水声信道的仿真，该包内包括set_channel_params.m和channel_simulator.m两个函数。仿真器包含了大规模和小规模衰落两种。(This package consists of Matlab codes set_channel_params.m and channel_simulator.m and a series of Matlab functions that will be called by the main codes. )

指纹识别源码，利用梯度法求解指纹的块方向图，很好用(Fingerprint fingerprint source using gradient method with the block pattern well)

用matlab实现录音和播放功能，并且能实现男女变声功能。(Using matlab to achieve recording and playback functions, and can change the sound of men and women to achieve functional.)

关于正弦插值的算法，从一篇IEEE的论文实现为MATLAB的代码。(sinc interpolation)

说明：  2012版本以后就没有这个函数了，希望对大家有用，有问题私信我(modmap in matlab thanks)

多输入多输出系统中空时分组码matlab仿真源代码。(Multiple-input multiple-output system simulation of hollow-time block code matlab source code.)

粒子群算法 运行 可以通过 适用于初级人员学习 希望对大家有用(PSO algorithm run by junior officers apply to study hope to be useful)