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matlab的教程，例题，包括数值，符号，图像等运算及答案(matlab tutorials, sample questions, including the values, symbols, images and other computing and answers)

这个程序就是最基本的粒子群优化算法程序，用Matlab实现，非常简单。只有几十行代码。(Algorithm for this process is the most basic particle swarm optimization procedures, using Matlab implementation is very simple. Only a few dozen lines of code.)

optisystem下光调制演示，包括AM调制和FM调制等(optisystem Modulation Demonstrate)

Roulette Wheel Selection

说明：  该文件为神经网络预测的源代码，读入数据后进行训练，然后可进行数据预测。(This file is the prediction of neural network source code, read data after training, and data prediction.)

符号定时，求得单个OFDM符号的开始和结束的精确时刻通过计算接收信号和已互参考的相关系数实现。(Symbol timing to obtain a single OFDM symbol of the beginning and end of the precise moment by calculating the received signal and each reference to realize the correlation coefficient.)

SVM对时间序列的预测，很实用，改变数据可直接使用。(SVM prediction time series, it is practical to change the data can be used directly.)

此程序用数值分析方法绘制浅结晶体管的稳态热场分布图，一个基区上并连五个发射极条，热流密度近似为发射极条单位面积上的功耗，热沉温度恒定(Numerical analysis of this program for drawing shallow junction transistor static temperature distribution, on a base region and emitter with five articles, similar to the emitter heat flux per unit area on the power section, a constant heat sink temperature)

基于无传感器的矢量控制的matlab的程序框图，经试验，可以正常运转(Based sensorless vector control matlab block diagram, the test can be normal operation)

说明：  An example of 16-QAM signal An example of 16-QAM signal