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本程序为无线通信中ofdm的一个仿真代码，采用qpsk的调制方式，适合初级学生学习。(This program is a simulation code ofdm wireless communications, using qpsk modulation, suitable for primary students.)

说明：  个人搜集的matlab中各种函数功能的详介绍，按照字母分类，适合初学matlab的(Personal collection of matlab functions in a variety of functions, introduced in detail, in accordance with the letter classification, suitable for beginners of matlab)

数值分析的EULER法，分数阶傅里叶变换计算方面,相控阵天线的方向图（切比雪夫加权）。( EULER numerical analysis method, Fractional Fourier transform computing, Phased array antenna pattern (Chebyshev weights).)

matlab 天线和电磁分析工具箱 matlab electromagnetic and anntena(antenna and electromagnetic analysis matlab toolbox matlab electromagnetic and anntena)

交通分布中的无约束重力模型，matlab程序(A matlab program of unconstrained gravity model in traffic distribution.)

用bp神经网络对经提取得到的信号特征参数进行信号的模式识别。(Bp neural network used by the signal characteristic parameters were extracted for signal pattern recognition.)

灰色模型GM_1_1,一种数学建模的实用方法，对你的比赛，和应用很有帮助(A good mathematical modeling tool, It is very helpful to your study MATLAB)

对一段语音进行加窗处理，在matlab下查看经过加窗处理后的语音信号。(For a voice to add Windows processing, on matlab check after add window under process after the speech signal)

时移门函数的傅里叶变换三维演示,可用于信号与系统的教学演示，增进对傅里叶变换的理解。(Sliding door when three-dimensional Fourier transform of the function demo, signals and systems can be used for teaching demonstration, enhance understanding on the Fourier transform.)

this application is elearning systen