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电机的直接转矩控制，用神经网络替代定子磁链观测器(Motor direct torque control using the neural network to replace the stator flux observer)

nonmaxsup——非最大值抑制 hysthresh——设定阈值区间，返回一个二值化图像 canny——边缘探测，图像边缘增强 adjgamma——调整图像的伽马值 findline——利用线性Hough变换和Canny边缘探测得到的线上各点的坐标 circlecoords——返回由圆的半径和圆心坐标决定的圆上各点像素的坐标 houghcircle——取一幅经过canny变换的图像，利用hough变换找到图像中的一个圆 findcircle——计算所得线上各点的坐标归纳出一个圆的半径和圆心，确定该圆的各点坐标 gaborconvolve——利用一维盖伯滤波器对图像进行处理 gethammingdistance ——返回两幅虹膜图像提取的特征码之间的海明距离 linecoords——返回一条线的上各点的x,y坐标值(nonmaxsup- non-maximum suppression hysthresh- set the threshold range, returns a binary image canny- edge detection, image edge enhancement adjgamma- adjust the image' s gamma value findline- linear Hough transform and Canny edge detection get the coordinates of each point circlecoords online- Returns coordinate houghcircle on the circle of the radius and center coordinates of the points decision pixels- After taking a picture canny transformation, using hough transform to find the image of a circle findcircle- the calculated coordinates of each point line summed up a circle of radius and center, to determine the coordinates of each point of the circle gaborconvolve- using a 维盖伯 filter for image processing gethammingdistance- returns two iris images extracted linecoords Hamming distance between the signature- a return line to the points on the x, y coordinate values)

Sullivan Dennis的electromagnetic simulation using fdtd method一书中代码MATLAB版(Sullivan Dennis--electromagnetic simulation using fdtd method MATLAB)

this is a matlab program

LDPC码matlab的，演示程序，mpsk(ldpc)

利用符号计算推导光学三阶微环滤波器传输函数，代入参数计算光谱响应，并对关键参数做扫描，绘制4通道微环滤波器响应谱。(Utilizing symbolic computation to derive the third-order optical micro-ring filter transfer function, substitutes the parameters to calculate the optical response. The key parameters are swept and the optical response of a four-channel micro-ring filter is drawn.)

一个关于克拉美罗界的代码，其中没有关于费舍尔矩阵的问题(CRB code on which there is no question about the Fisher matrix)

说明：  1. 列出简单脉冲调制信号数学模型 2. 利用MATLAB软件编写雷达信号产生程序 3. 对信号进行频谱分析 4. 记录仿真参数和结果、存储仿真波形。(1. List the mathematical model of simple pulse modulation signal. 2. Programming Radar Signal Generation Program with MATLAB Software 3. Spectrum analysis of signals 4. Record simulation parameters and results, and store simulation waveforms.)

Shelliemers equation implementaion.

光学工程7大几何相差模拟以及仿真实例操作，有限元和无限元仿真(7 large geometry difference between optical engineering simulation and operation simulation, finite element and infinite element simulation)