surshrHEDA

说明：  通信原理中的数字调制方式与解调，包括了最常用的ask,psk,fsk的调制以及多种解调方式(the modulation and demodulation demo of ask, fsk ,dpsk and psk)

EMD分解的matlab代码，克服了传统筛选停止准则中的分母为零的问题(Empirical Mode Decomposition based on matlab)

提供數種回響演算法.利用6個平行的comb濾波器達成擬真的回響效果(Provides several reverberation algorithms. Use 6 parallel comb filter to achieve realistic reverb)

通过编写C语言，在MATLAB上实现路由器仿真,实现路由器的功能。(Written by C language, simulation on MATLAB implementation routers, realize the function of the router. )

杜芬系统受迫振动的数值解，及位移与速度分岔，非线性振动初学者可以参考。(Numerical Solution of Duffing system by forced vibration, displacement and velocity and bifurcation, nonlinear vibration beginners can refer to this file.)

Casio CTK-750 midi clips for game/multimedia programing

This package contains some matlab file for user defined array pattern. Also contain codes for directivity and gain.

本程序基于“图像模式识别—VC++技术实现”写就，实现了线性和非线性手写数字识别。 程序主文件是homework.m 具体实现可以参考程序内注释。 (this is a matalb programme,in order to recognise the number writtern by yourself. it include homework.m,homework.fig,Getfeature.m,losstab.m,losstab.fig,samplelib.m,samplelib.fig,save_sample.m,save_sample.fig)

基于遗传算法的认知无线电的实现，充分利用利用遗传算法的人工智能优化，对认知无线电的通信参数自适应调整予以实现。(Based on genetic algorithm, the realization of cognitive radio, full use of genetic algorithm to optimize the artificial intelligence, adaptive adjustment of the communication parameters of cognitive radio to be realized.)

说明：  基于matlab的稀疏表示中L1范数计算源码(the codes for L1 in sparsty representation with matlab)