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matlab编写的人脸定位系统程序，希望对大家有用！！(matlab prepared Face Positioning System program, we hope to useful! !)

手写傅里叶反变换，通过矩阵变换实现的傅里叶逆变换，修改读入图像名就可以实现对应图像的傅里叶反变换，并与MATLAB内置函数进行比较(Inverse Fast Fourier Transform)

code for sobel edge detection

很有用的一些代码　对于新手很有用的　可以下来(Some useful code for the novice can be very useful down)

it is about analysis of picture using matlab.

振动信号的预处理消除趋势项（滑动法消除多项式趋势）(Pre-oscillation signal, slide method to eliminate the polynomial trend)

平面型节点散布仿真，用于实现coverage观察(Planar node spread simulation, to achieve coverage observed)

常用matlab语音编程流程（语音信号的分帧加窗的matlab实现），学习语音信号处理的人必须要知道这些基本的编程方法。(Common Voice matlab programming process (sub-frame windowed speech signal matlab implementation), learning of speech signal processing must be aware of these basic programming methods.)

MATLAB的非常好的入门教材。格式为HTML。(Introduction to MATLAB in a very good teaching. Format is HTML.)

fit nan in a figure or plot