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说明：  用matlab提取语音信号，并进行处理，提取语音信号的特征参数(programed by matlab ,a very good thing)

this a code about CDMA

现代信号处理中功率谱估计理论中改进的协方差算法。程序直观明了。(the algorithm in modern signal processing.)

在Matlab环境中编制了以雨流计数法为理论基础的二维载荷谱程序,用以对混合动力电动车电机驱动系统载荷时间历程进行统计处理,得到载荷幅均值雨流矩阵,进行幅均值各自分布假设检验,以及独立性和相关性检验,获得二维联合分布概率密度函数,建立混合动力电动车电机驱动系统台架试验用二维载荷谱.(Prepared in Matlab environment of the rain flow counting method with the theoretical basis of the two-dimensional load spectrum procedure for hybrid electric vehicles on the motor drive system for statistical processing time course load, get a load amplitude mean rain flow matrix, be the mean amplitude of each distribution hypothesis testing, as well as independence and correlation test to obtain a two-dimensional probability density function of the joint distribution, the establishment of a hybrid electric vehicle motor drive system with two-dimensional bench load spectrum.)

有k_means和em算法,k_means算法用来减少结点数目(There k_means and em algorithms, Reduce the number of data points using the k-means algorithm )

Harris角点提取实现了对棋盘格模板角点的精确提取，matlab程序及示例图片。(Harris Corner Detection realize the chessboard grid template Corner precise extraction, matlab procedures and sample images.)

本代码将四阶累积量MUSIC算法和常规二阶MUSIC算法进行SNR性能对比。(The code will be fourth-order cumulant MUSIC algorithm and conventional second-order MUSIC algorithm SNR performance comparison.)

本书全面系统地介绍了DSP芯片的基本原理、开发和应用。首先，介绍了目前广泛使用的DSP 芯片的基本结构和特征，定点和浮点DSP处理中的一些关键问题。然后，对用C 语言和MATLAB 语言进行DSP算法的模拟进行了介绍。(This book a comprehensive and systematic introduction to the basic principles of DSP chips, the development and application. First of all, on current DSP chips are widely used in the basic structure and characteristics of fixed-point and floating-point DSP to deal with some of the key issues. Then, using C language and MATLAB language for DSP algorithm simulation are introduced.)

对二维图像进行hough变换，并显示hough变换的结果(pair of two-dimensional images hough transform, and display the results hough transform)

《MATLAB数学手册》电子书详细讲解matlab中矩阵及其运算、数值计算与数据分析、符号运算、概率统计、优化问题、模糊逻辑、绘图与图形处理，欢迎下载("MATLAB Mathematics Handbook" this book explain in detail in matlab matrix and its computation, numerical computation and data analysis, symbolic computation, probability and statistics, optimization, fuzzy logic, graphics and image processing, welcome to download)