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说明：  高通滤波器，带通滤波器，数字FIR滤波器(The Shannon entropy is a measure of the average information content one is missing when one does not know the value of the random variable. The concept was introduced by Claude E. Shannon in his 1948 paper "A Mathematical Theory of Communication". Shannon s entropy represents an absolute limit on the best possible lossless compression of any communication, under certain constraints: treating messages to be encoded as a sequence of independent and identically-distributed random variables, Shannon s source coding theorem shows that, in the limit, the average length of the shortest possible representation to encode the messages in a given alphabet is their entropy divided by the logarithm of the number of symbols in the target alphabet. )

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字母图像识别算法，O, E, A, U 四个字母进行识别，该算法加入一定噪声之后依然有效。(The basic goal of the program is to perform letter recognition of vowels O, E, A, U in paragraphs provided in form of black-and-white images. Using the training paragraph image, we are allowed to train our program to distinguish among letters. Some difficulties that need to be resolved are noise, joined letters, scaled or tilted letters, and distinguishing between letters that are similar to each other. )

基于小波-偏微分方程的图像降噪程序，Matlab7编程实现(based on wavelet- PDE image noise reduction procedures, Matlab7 Programming)

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算法交易案例，包含止盈止损等，代码比较简单。(Algorithmic trading case)

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多缝弗朗和费衍射，改变缝宽和光栅常数来改变光强(Multi-slit Fraunhofer diffraction grating constant change to change the slit width and intensity)

利用时域相关定理结合FFT完成相关函数计算源程序，包括时延估计。(Theorems time domain and FFT to complete the correlation function computing source, including delay estimation.)

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