suijishu

说明：  EM算法的matlab实现程序，主要用于图象处理(EM)

验证时域采样定理,奈奎斯特定律,奈奎斯特频率(The time domain sampling theorem)

lorenz simulation with matlab for nonlinear system

说明：  用matlab进行通讯专业的相关基本技术 的仿真程序（一共三个，其中两个的源代码附在文档最后，每个仿真文档均有说明）(using Matlab for communications professionals the basic technology of the simulation program (a total of three, two of which are attached to the source code files Finally, the documentation of each simulation are described))

二维正态分布的检验函数，如果需要进行二维正态分布的检验，在你的程序运行前运行此程序，就可直接调用函数功能。(Dimensional normal distribution test function, if you need a two-dimensional normal distribution test, run your program before you run this program, you can directly call the function function.)

Matlab中路径优化程序，销售员模式，最佳路径优化(Medium Matlab path optimization procedures, sales model, the best path optimization)

说明：  利用延迟-相加法对波达方向进行估计，程序简明易懂，适用于初学者。(using delayed- add method to estimate DOA, easily understandable for beginners.)

《MATLAB7.x数字信号处理》源代码。本书面向信号处理领域，在简要介绍信号处理基本概念的基础上，详细介绍了MATLAB工具箱函数及其使用，内容涵盖了MATLAB使用基础、高级编程和重要领域的应用。在结构安排上，本书立足于信号处理各个具体领域，并结合信息处理工具箱，以大量的程序访真为依托，讲解了MATLAB在信号处理中的具体应用。 本书结构合理，内容全面，图文并茂，实例丰富，适用面广，适合信号处理、自动控制、机械电子、自动化、电力电气、通信工程等专业的本科生、研究生、教师和科技工作者阅读。可作为数学信号处理课程的参考书，对涉及数字信号处理的各大院校师生具有重要的参考价值和实用价值。("MATLAB7.x digital signal processing" source code. Writing to the field of signal processing, signal processing briefly introduced the basic concepts on the basis of Details on MATLAB toolbox function and its use, which covers the use of MATLAB basis, Advanced Programming and important fields. Structural arrangements, the book based on the signal processing specific areas, and integrate information processing toolbox a large number of the procedures for the visit to really rely on the MATLAB on signal processing in the specific application. The structure reasonable, comprehensive and illustrated examples of rich, widespread applicability, suitable for signal processing, automatic control, machinery and electronics, automation, electrical power, telecommunications and other profes)

利用K均值思想进行数据的有效分类，经验证，有效、可靠性强。(Effective classification of the data using K-means thinking, proven, effective, and reliability.)

测试以下图像信息 1。结构内容（SC） 2。均方误差（MSE） 3。峰值信噪比（PSNR值） 4。归一化互相关（NCC） 5。平均差（AD） 6。最大的差异（MD） 7。归一化绝对误差（NAE）(Image/Picture Quality Measures In this application, different image quality measures are calculated for a distorted image with reference to an original image. To test the application, a set of 20 distorted images is included in this package. The list of Image Quality measures implemented in this package include, 1. Structural Content (SC) 2. Mean Square Error (MSE) 3. Peak Signal to Noise Ratio (PSNR in dB) 4. Normalized Cross-Correlation (NCC) 5. Average Difference (AD) 6. Maximum Difference (MD) 7. Normalized Absolute Error (NAE) Refer Reference.png for the mathematical expressions implemented in this package. Original images are kept in the folder OriginalImages . Distorted images are kept in the folder DistortedImages .)