5

this file is about communication engineering Digital Transmission System this is a .m file to simulate a signal and noise ratio which the signal is NRZ bipolar signal and the noise is gaussian noise it will plot the error probability

说明：  将图像从RGB颜色空间转换成lab颜色空间(Transfer image s color space from RGB to lab)

该代码用于分类，主要是基于pso优化svm参数的分类代码(The code used for classification, mainly based on pso classification code optimization svm parameters)

DOA estimation methods

一种简单而快速的利用图像的轮廓在极坐标中的特征，做形状的匹配 matlab实现( a simple and fast image characteristics in polar coordinates, the outline of shape matching of matlab)

在工程应用中经常需画剖面图，改程序能帮助你迅速画出剖面图(In engineering applications often need to draw profile, change program can help you quickly draw profiles)

利用matlab搭建的变压器模型，基于π型等效电路(The transformer model is built by MATLAB, based on equivalent circuit)

Matlab生成Erlang分布随机数的m文件。Erlang分布能拟合其他几乎所有的分布，更具有一般性。(Matlab to generate random numbers m Erlang distribution file. Erlang distribution can fit almost all other distributions, more general.)

根据能谱的定义来计算能谱的程序，内涵fortran程序(power spectral)

OPNET源码，将CRC检验应用于新型网络体系结构SUPA的分帧。(it s a OPNET simulation,which is about SUPANET, a next generation network architecture. CRC in this circumstance is used for EPF frame divided)