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运放电路分析，非常实用，简单易懂，有图解分析。(Op amp circuit analysis, is very practical, easy to understand, there are graphic analysis.)

nearest neighbor algorithm with orl database

selforganising map for the matching algorithm for the biometric appilcations enroll ment

matlab关于幂法和反幂法以及原点平移加速的源代码(matlab translational acceleration of the source code on the power method and inverse power law, as well as the origin)

计算多变量的经验正交函数分解， 常用于海洋或气象的数据分析，简单易用。(Calculate multivariate empirical orthogonal function decomposition, commonly used in the ocean or meteorological data analysis.)

how to build an FM modulation on matlab

This function returns the free vibration displacement of a damped SDOF system.

朋友的直接转矩控制模型，共享一下，希望可以互相借鉴。(Friends of the direct torque control model, sharing what I hope you can learn from each other.)

qpsk定时同步算法MATLAB仿真程序(qpsk timing synchronization algorithm MATLAB simulation program)

Here the study of the reactive power compensation in the grid connection of PV system.