60a

series connected 3 phase induction motor drive

這是一個利用butter filter 的bandstop 來濾除原始訊號中有雜訊的方法，先轉為spectrogram觀察雜訊所分步頻帶與能量，再依照要濾除的部分作bandstopa(This is a use of bandstop butter filter to filter out the noise of the original signal has a method, the first step into a spectrogram observation noise and energy of the band, then follow to filter out parts for bandstopa)

C语言写的基2fft算法，测试过了结果，比matlab的结果精度还是稍差(fft algorithm in C language.Have testd the result.)

MNIST手势识别数据库进行softmax回归分类，直接运行softmaxExercise.m文件即可运行。(The MNIST gesture recognition database is classified by soft Max regression and can be run directly by running the softmaxExercise. m file.)

说明：  这是一个具有导频和预失真的MIMO-OFDM的simulink(this is a simulink about MIMO-OFDM with pilot aided and pre-distortion)

数学建模中常用的灰色预测程序，经整理，有注释(Commonly used mathematical modeling of gray prediction program, collated comment)

扩展卡尔曼滤波算法，运行打开主程序后直接运行(Extended Kalman filter algorithm can be run directly run to open the main program)

直流电流速度双闭环调速系统，能够抑制电网和负载扰动(DC current speed double closed loop speed regulation system. It can restrain power grid and load disturbance)

说明：  RS码的matlab函数 非常有帮助的东西(Matlab simulation of RS code Very helpful stuff)

本人编写的绘制离散信号在滤波前后的频谱图(I prepared by drawing discrete signal frequency spectrum before and after filtering)