guji

本代码是matlab程序，用于模拟带电粒子在电磁场中的相对论运动。利用Boris的差分格式求解相对论牛顿-洛伦兹方程。(This code treats with the problem that the motion of charged particle in electromagnitic field. The simulation method is solving the Relativity Newton-Lorentz equation. Boris has developed a computing method for this equation and we accept it in this code.)

Matlab code for active clustering in wireless sensor networks.

cs算法优化svm的惩罚参数c和核函数的参数gamma。(The CS algorithm optimizes the penalty parameter C of SVM and the parameter gamma of kernel function.)

This is the code for vector quantization by using k-means

鲁棒控制经典书籍汇总，各个高校研生教材精髓(Robust Control of a classic book summary, the various colleges and universities teaching the essence of the Institute of Health)

calssification algorithm2

matlab频谱三维图，时间频率幅值。频谱分析三维图，计算机绘制的三维频谱以频率为横坐标，以振幅为纵坐标，以时间为斜轴，在视觉上是一种立体频谱。(Matlab three dimensional spectrum diagram, time frequency amplitude. Spectrum analysis of three-dimensional map, 3D computer generated by frequency spectrum as the abscissa, the amplitude of the vertical axis, in time for the inclined shaft, the vision is a kind of three dimensional spectrum.)

实现哈夫曼编码的matlab程序，可用于图像压缩处理，还可以计算出压缩率。(Matlab program to achieve Huffman coding can be used for image compression, the compression ratio can be calculated.)

说明：  局部碰磨事故检测代码，通过功率谱检测，例子检测了四种类型的碰磨事故(Partial rubbing incident detection code, through the power spectrum detection, examples of detection of the four types of rub-impact accident)

Introduction to the Issue on Cooperative Communication and Signal Processing in Cognitive Radio Systems