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image thresholding otsu method

介绍了matlab中常用的优化函数并给出了算例(Describes the commonly used optimization function matlab)

一个用于计算电磁场远场的程序，用MATLAB程序编写。(Used to calculate the electromagnetic field of a far-field procedures, programming with MATLAB.)

主要是串口数据的收发！ 写了一个GUI界面，包括一些常用的控件，文件的读写，出错的简单处理，弹出对话框等 可能还有一些错误，欢迎拍砖！ 调试在matlab7.0.4上通过！(Mainly to send and receive serial data! Wrote a GUI interface, including some commonly used control, file read and write, a simple error handling, pop-up dialog boxes, etc. There may be some mistakes, please Paizhuan! Debugging in matlab7.0.4 adopted!)

用周期图法以及BT法对一组太阳黑子数据惊醒处理，得出其周期的程序(the programme for solving the period of the sunspot series)

利用matlab生成洛仑兹混沌吸引子，可以通过修改其他的参数和方程得到不同稳定态或其他吸引子(A matlab code for lorenz chaotic attractor in which the parameters may be changed to get other phase portrait.)

求信号的幅度谱和相位谱,用matlab画出波形比比较(work out the amplitude and phase spectrum of a signal)

基于matlab的LZ编码，加密和解密可单独执行(LZ coding based on MATLAB, the encryption and decryption can be performed separately )

说明：  经典常规波束形成 包含几种方法的对比(Classic conventional beamforming with comparison of several methods)

基于扩展记忆的粒子群优化算法（Particle Swarm Optimization based on memory）(This paper combines SVM with improved PSO (Particle Swarm Optimization with Extended Memory, PSOEM) and then builds PSOEM-SVM forecasting model. The PSOEM searches the solution space intelligently and finds out the best one. Parameters in SVM are optimized by PSOEM, which implements automation of the parameter optimization avoiding the blindness of selecting parameters. Not only does it utilize the generalization feature of SVM, but enhance the global search ability of PSO (Particle Swarm Optimization). Thus, both accuracy and speed are increased at the same time.)