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二维FDTD程序，采用PML边界s 用pml和mur分别计算j=1处的Hz(i,1).计算空间扩大到400*400，不加边界，运行相同的时间步(2D FDTD procedures, Application of the PML's border with pml and mur calculated j = 1 Hz of (i, 1). for the space to expand to 400* 400, without borders, running the same time step)

sparc64 architecture timex specifications.

详细介绍了matlab中声声音录制、读写与播放的语句描述 (Described in detail the description of Matlab acoustic sound recording the statement, read and write and play)

根据Zeller公式计算任意日期是星期几。说明一下，压缩包中有两个是复件，是用来压仓的，以确保满足上传条件（上传文件大于1K）。(weekday for any day)

说明：  zernike矩的Matlab实现，可以计算任意阶矩(Matlab implementation zernike moments, moments of any order can be calculated)

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)

EM算法用于高斯混合模型，实现数据的精确分类(The EM algorithm for Gaussian mixture model, the exact classification of the data)

基于MATLAB的通信系统仿真应用详解，这是第3卷。(MATLAB-based simulation of communication systems explain, this is the first 3 volumes.)

巴特沃斯滤波器MATLAB仿真程序，分析，绘图，手动设置参数(MATLAB simulation program Butterworth filter, analysis, mapping, set the parameters manually)

自编维纳滤波实现运动模糊图像的恢复与matlab自带的维纳滤波函数实现复原对比(Using Wiener filter to achieve the restoration of motion-blurred images and MATLAB with Wiener filtering function restoration contrast)