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说明：  一个功率谱估计的程序，有需要的可以研究一下(A power spectrum estimation program can be studied if necessary.)

说明：  东北三省2009年数学建模的B题：丁克现象，已获联赛二等奖，现将论文以及Matlab源代码上传，希望对相关人员有所帮助。(Northeast B, Mathematical Modeling in 2009 Topic: DINK phenomenon, has been league second prize, papers, and now Matlab source code for uploading, hope relevant personnel be helpful.)

matlab的演示程序，很有意思，大家可以试一试，欢迎下载(Matlab demo program, very interesting, you can try downloading welcome)

多径理解2,理解多径对信号的影响 ,(two multi-path understanding, understanding of the multi-path signals and understanding of the multi-path signals,)

Park延性系数的算法，只要输入位移和荷载，就可以直接自动得出延性系数(Park ductility factor of the algorithm, as long as the input displacement and load, can be automatically obtained the ductility factor)

能够进行各向异性的差分等效介质（Differential Effective Medium Model）理论，获得各向异性介质的弹性张量(This programme could be used to build anisotropic elastic model by anisotropic Differential Effective Medium Model)

matlab仿真代码，基于密度的DBSCAN聚类算法，对数据进行聚类处理。(Matlab simulation code, density-based DBSCAN clustering algorithm, clustering data processing.)

Some tips related to wireless channels

说明：  编写画出N(1,1/9)的概率密度和概率分布函数图形的MATLAB程序，并给出计算结果。(Prepared to draw N (1,1/9) of the probability density and probability distribution function of the MATLAB graphics program, and gives results.)

Simulation of Rake receiver -- simple