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画duffing方程的相图，不能保证正确，请大家斟酌使用。欢迎交流。(The phase diagram drawn duffing equation, can not guarantee correct, please use discretion. Welcome to exchange.)

说明：  一个用MATLAB实现的单位转换程序，包括质量单位转换和长度单位转换。(MATLAB realization of a unit with the conversion process, including quality and length of unit conversion unit conversion.)

这是一个关于基于互信息的图像配准程序，是以matlab编写(This is a mutual information based image registration procedures, the preparation is matlab)

The recognition of noise as a source of annoyance began in antiquity, but therelationship, sometimes subtle, that may exist between noise and money seems to be a development of more recent times. For example, the manager of a large wind tunnel once told one of the authors that in the evening he liked to hear, from the back porch of his home, the steady hum of his machine 2 km away, for to him the hum meant money. However, to his neighbours it meant only annoyance and he eventually had to do without his evening pleasure.

安装BENQ串口PC调制解调器的说明.rar(PC serial modem installation BENQ note. Rar)

MATLAB CODE FOR INFORMATION THEORY AND CODING

输入一个样本序列 输出一个最佳高斯拟合的mu和sigma(input：samples output：best fit Guass)

针对现代数字信号处理当中的卡尔曼滤波，给出实现源码。(Modern digital signal processing for which the Kalman filter, is given to achieve source.)

pca进行主成分分析的源代码，对人脸识别，超分辨率有很好的作用(pca principal component analysis of the source code)

主要包含数学中的离散优化各个问题求解，有最短路、哈密尔顿回路、顶点覆盖近似算法、最大流和最小截等问题。(Discrete optimization)