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sending sms, matlab coding

一个很好的进行边缘检测的matlab源代码，对于初学边缘处理的人有较大帮助(a good edge detection of Matlab source code for a novice edge with the greater help)

说明：  切比雪夫滤波器，切比雪夫I型滤波器设计，双通切比雪夫滤波(Chebyshev filter,Design of Chebyshev I filter, double pass Chebyshev filter)

利用各种算子对图像进行边缘检测，效果很好(edge test by Roberts，Sobel，prewitt，Kirsch，Laplac )

Either a string naming a function that calculates the gradient, or the null matrix

说明：  改进的小波阈值去噪法，但是其中有点不对，不知道会不会对大家有用，想看的下哈(Improved wavelet threshold denoising method, but one a bit wrong, do not know will not be useful to everybody, want to see the next Ha)

说明：  matlab的代码关于fft的仿真程序,直接的出波(fft matlab code on the emulator, directly from the waveform)

2D的FDTD和平面波展开，用于光学和微波计算(2D FDTD and plane wave expansion for the calculation of optical and microwave)

一个matlab优化小程序，老师布置的作业，值得一看。(Matlab optimize a small program, teacher assignments, worth a visit.)

matlab code for qpsk modulation technique