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文件给出了matlab环境下的低通滤波仿真，并对每句话进行了分析(File under given matlab simulation of low-pass filter, and analyze every word)

Hopfield network with matlab.

根据功率谱的原始定义编制的功率谱分析程序，相比于周期图、welch法等更简洁，但分辨率不高。(spectrum analysis based on self-correlation)

sigmoid函数及其导函数的介绍推导和应用等等(sigmoid text)

生成各个音阶和音符的波形图，可设置节拍与单个音符长短。能用matlab编辑音乐(Waveform to generate various scales and notes, you can set the tempo and length of individual notes. Can use matlab edit music)

stegenogrpahy in matlab based on dwt

almouti空时分组码matlab仿真实现，源码有点乱，望大家见谅(almouti space-time block codes matlab simulation implementation, source code a bit chaotic, hope you forgive me)

EKF滤波算法估计预测模型和量测模型精度比较高(EKF algorithm prediction error estimation model and matrix )

说明：  Matlab与有限元程序设计的一篇文献，里面有具体的网格剖分程序(Matlab and design a finite element program literature, there are specific procedures mesh)

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