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F聚类算法（mathematica），简单实用，无数据(F clustering algorithm (mathematica), simple, practical, no data)

pso for matlab ... enjoy it

永磁同步电机的仿真模块，是一个很有用的东东，能够很好的用于风力发电系统仿真建模。(building model for wind power system.)

CODE FOR MATLAB FOR DOWLODING

Transforms image from the centre

magnetic field from a straight wire

直方图均衡化 直方图的均衡化可以使图像的像素灰度值动态范围变大，增强图像的对比度看起来更清晰。上图经过直方图均衡化方法处理后不再特别暗淡，其直方图反映出来的灰度的概率分布也相对比较均匀(Histogram equalization)

BPSK与QPSK调制解调系统的Matlab仿真程序； 发送滤波器与接收滤波器均为根升余弦滚降滤波器； 信道噪声为加性高斯白噪声； 绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线进行对比。 (BPSK and QPSK modulation and demodulation systems Matlab simulation program transmit and receive filters are root raised cosine filter roll-off filter channel noise is additive white Gaussian noise draw BER BPSK and QPSK modulation with a letter under noise ratio graph and compare with the theoretical curve.)

复杂网络中，度分布计算，函数，并绘制出度分布的分布图(Complex networks, distributed computing degree, function, and mapping the distribution of out-degree distribution)

说明：  一个短时傅立叶变换的MATLAB程序，可以进行信号的时频分析。(A short-time Fourier transform of the MATLAB program, can be time-frequency analysis.)