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说明：  51单片机，功能包含流水灯，数码管，等一系列本科课设需要的文件，通过c语言实现(51 single chip microcomputer, including functions of water lamp, digital tube, and a series of undergraduate course requirements of the document, through the c language)

利用SVM支持向量机进行信号分类，解决非线性信号问题(SVM support vector machine is used to classify signals and solve nonlinear signal problems.)

介绍了DUET盲源分离方法，可以仅使用两个混合信号分离任何数目的源分离方法。该 方法适用于源信号W-不相交正交的情况。(T the DUET Blind Source Separation method which can separate any number of sources using only two mixtures. The method is valid when sources are W-disjoint orthogonal, that is, when the supports of the windowed Fourier transform of the signals in the mixture are disjoint.)

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孙子兵法，菜根潭，忍经，反经，不窗幽记，围炉夜话，鬼谷子等古籍，PDF格式，(The Art of War, Tam roots, and tolerance by anti-economic, not a window Youtong mind that Irori夜话, Gui Guzi, such as books, PDF format,)

平台基于visual studio2015，使用opencv函数实现方框滤波，进行图像处理(box filter based on opencv)

说明：  生成gps L1 c/a码,并仿真生成gpsL1信号,增加高斯白噪声(GPS L1 C / a code is generated, and gpsl1 signal is generated by simulation to increase Gaussian white noise)

（1）设计一个“简易计算器”，主要实现判断输入的表达式是否合法将中缀表达式转换成二叉表达式树。后序遍历求出表达式的值。能判断输入的表达式是否合法。 （2）用链式存储存储信息，求值时可以采用递归的思想，对表达式进行后序遍历。 （3）将操作结果保存到外部文件。((1) Design a "simple calculator" to judge whether the input expression is legitimate or not and convert infix expression into binary expression tree. The value of the expression is obtained by post-order traversal. Can judge whether the input expression is legitimate. (2) Store information in chain mode. When evaluating the value, we can use the idea of recursion to carry out post-order traversal of the expression. (3) To save the operation results to external files.)

说明：  传染病模型（SIRS）的蒙特卡罗仿真，可以获得与求微分方程数值解相差不大的结果(Monte Carlo simulation of infectious disease model (SIRS))