MIMO_OFDM

通过Matlab程序，将word文档中词义相近的词语聚类，并分析计算聚类后不同类别词语的频数。(By Matlab procedures, the word document clustering words of similar meaning, and to analyze the frequency of different types of words after computing clusters.)

利用重复轨道卫星数据计算轨道之间的基线（即空间距离）实现数据获取时间内任意位置的基线长度，并存入文件中。(Repeat orbit satellites using data between tracks baseline (i.e. spatial distance) for data acquisition time of the baseline length anywhere within and into a file.)

计算卷积 计算卷积(Calculation of convolution calculation of convolution)

说明：  经典的同步算法，即最大似然同步算法，对于开发3G系统很有效( a good synchronization program named as ML(the maximum likelihood method),it is useful for you to develop the 3G system.)

利用MATLAB对PID算法进行模拟仿真的算法介绍，编程实例等。涉及了很多具体的PID控制领域的例子。(Using MATLAB simulation algorithm introduced the PID algorithm, and programming examples. Involves a lot of specific examples in the field of PID control.)

This code is to find standard deviation of wind speed data

三电平逆变器正弦SPWM控制策略的仿真研究(Three level inverter with sinusoidal SPWM control strategy simulation)

小波包分析提取振动信号中的特征频率，使用拉亚普诺夫指数的公式，AHP层次分析法计算判断矩阵的最大特征值。( Wavelet packet analysis to extract vibration signal characteristic frequency, Raya Punuo Fu index using the formula, Calculate the maximum eigenvalue judgment matrix of AHP.)

说明：  matlab的高阶谱（包括双谱），包括高阶谱的直接法及间接法，用于信号的检测及时差估计。(matlab higher order spectra (including dual spectrum), including high-end spectrum of the direct method and indirect method for signal detection time difference estimates.)

THERISHOLDING ALGORITHM FOR FIGURE DETECTION