MATLAB calculate

TSP的遗传算法实现。本案例是通过遗传算法实现旅行商问题(TSP genetic algorithm. Through genetic algorithm traveling salesman problem)

PLSA EM演算法，用於文本與字詞之間的矩陣工具，測量其相似度(PLSA EM algorithm for the matrix between the text and words tool to measure the similarity)

差分空时编码MATLAB源仿真代码，有图有真相哦(Differential space-time coding MATLAB the source simulation code, pictures and the truth Oh)

本代码是基于k-mean聚类的关键帧提取代码，是用matlab来实现的。(The code is based on k-mean clustering key frame extraction code, using matlab to achieve.)

说明：  计算非线性时间序列的lyapunonv指数，并可用于对序列的预测(calculating lyapunov exponent about nonlinear time-series and predicting )

本程序按照胡广书《现代数字信号处理》书中的谱估计的内容仿真了各种经典谱估计方法以及现代谱估计方法（周期图法、BT法、welch法、自相关法、修正的协方差法、burg法），因为是课程作业，因此逻辑上写得十分简洁，适合初学者参考。(The program in accordance with the Hu-book of modern digital signal processing book spectral estimation simulation the various classical spectrum estimation methods, as well as the modern spectral estimation methods (periodogram, BT France, welch method, auto-correlation method, the modified covariance method , burg method), because the course work, so logically written very simple for beginners.)

Find the bhattachharya coefficient

利用小波理论，小波去噪软阈值和硬阈值的matlab仿真程序。 硬阈值、软阈值。(Using the theory of wavelet, wavelet denoising soft threshold and hard threshold of matlab simulation program. Hard threshold, soft threshold.)

OFDM中用到的添加循环前缀和插入导频的matlab实现(Add cyclic prefix and inserted pilot matlab OFDM used in the realization of)

单径或多径瑞利衰落信道仿真，使用高阶累积量对MPSK信号进行调制识别，考虑雨衰 阴影 和多径影响。( Single path or multipath Rayleigh fading channel simulation, Using high-order cumulants of MPSK signal modulation recognition, Consider shadow rain attenuation and multipath effect.)