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用matlab来评价金属元素污染程度，以判断污染的程度，其中污染的程度又分为不同等级。(use matlab to descripe metal)

The implementation of a mediana filter. usefull for many image procedures

现代数字信号处理 何广军 MATLAB 代码(MATLAB code of digital signal processing edited by Hu GuangJun)

利用非数NaN对所选图像进行镂空、透视、剪切处理。(few NaN using non-selected images of Pierced, perspective, shear processing.)

有限冲激响应滤波器的频域实现方法。可以通过快速傅里叶变换降低复杂度。(Finite Impulse Response Filter frequency domain method. Can reduce the complexity of the fast Fourier transform.)

计算PSNR。可直接调用，两个输入参数im1,im2为两个图象序列，返回值为PSNR的值。(Calculation of PSNR. Can be called directly, two input parameters im1, im2 two image sequences, the return value is the PSNR.)

ofdm chennel estimation

Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.

实现MIT数据库ECG信号的读取，并进行QRS波形的检测(ECG signal MIT database achieved the reading, and for detection of QRS wave)

PM模型是由日本大阪心理学家三愚二不二在前人的基础上创建的，本程序通过MATLAB实现该模型。(The PM model is created on the basis of the previous three stupid two Fuji of Japan s Osaka psychologist, the program MATLAB to implement the model.)