CS-for-spring-design

产生右图所示图像f1(m,n)，其中图像大小为256×256，中间亮条为128 ×32，暗处=0，亮处=100。对其进行FFT： ① 同屏显示原图f1(m,n)和FFT(f1)的幅度谱图； ② 若令f2(m,n)=（-1）m+n f1(m,n)，重复以上过程，比较二者幅度 谱的异同，简述理由； ③ 若将f2(m,n)顺时针旋转90 度得到f3(m,n)，试显示FFT(f3)的幅 度谱，并与FFT(f2)的幅度谱进行比较； ④ 若将f1(m,n) 顺时针旋转90 度得到f4(m,n)，令f5(m,n)=f1(m,n)+f4(m,n)，试显 示FFT(f5)的幅度谱，并指出其与FFT(f1)和FFT(f4)的关系； ⑤ 若令f6(m,n)=f2(m,n)+f3(m,n)，试显示FFT(f6)的幅度谱，并指出其与FFT(f2)和 FFT(f3)的关系，比较FFT(f6)和FFT(f5)的幅度谱。(Generating an image f1 (m, n) shown in the figure, wherein the image size is 256 256, the intermediate light bar 128 32 0 = dark, bright Department 100. Its FFT: ① screen display picture f1 (m, n) and the FFT (f1) of the amplitude spectrum ② If so f2 (m, n) = (-1) m+n f1 (m, n), repeat The above process, comparing the amplitude spectrum of the similarities and differences between the two, brief reasons ③ If f2 (m, n) 90 degrees clockwise to get f3 (m, n), try to display FFT (f3) the amplitude spectrum and with the FFT (f2) comparing the amplitude spectrum ④ If f1 (m, n) obtained by 90 degrees clockwise f4 (m, n), so f5 (m, n) = f1 (m, n)+f4 (m, n ), try to display FFT (f5) amplitude spectrum, and pointed out its relationship with the FFT (f1) and FFT (f4) of ⑤ If so f6 (m, n) = f2 (m, n)+f3 (m, n) and try to display the FFT (f6) amplitude spectrum, and pointed out its relationship with the FFT (f2) and FFT (f3), comparing FFT (f6) and FFT (f5) amplitude spectrum.)

在Matlab上基于Hough变换开发的快速圆检测方法，可应用到虹膜图象的检测中，完成对虹膜内、外边缘的定位。 (in Matlab Hough transform based on the rapid development of a round detection method can be applied to the detection of iris image, the completion of the iris, outside edge positioning.)

shock filter code with matlab

matlab神经网络30例，书和源码,都很经典，需要的同学赶快拿走(matlab neural network 30 cases of classic books and source code)

从国外精馏开源代码下载的间歇精馏的模拟程序，对于初学者应该很有用(Open source code downloaded from abroad distillation batch distillation simulation program, useful for beginners)

说明：  这本书是对ｍａｔｌａｂ的基本操作作了详细的介绍，并附了详细的例子，对初学者有很大的帮助(This book is the basic operation of matlab were described in detail, with detailed examples of great help for beginners)

Virtex-6 Family Overview

descibes optical flow using lucas kanade algorithm. Example supplied help people understand easily

ER,BA,WS三种网络的matlab程序(ER, BA, WS three network matlab program)

用MATLAB对电力系统进行仿真。里面有全套的仿真模型。(Using MATLAB for power system simulation. There are a full range of simulation models.)