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automatic threshold segmention

该软件可以解析声音信号中的dtmf编码，值得下载一试。(The software can resolve the dtmf encoding sound signals)

说明：  通信原理的AM调制信号，MATLAB实现仿真(Communication Theory of AM modulated signal MATLAB for simulation)

Identification cards — Contactless integrated circuit(s) cards — Proximity cards — Part 4: Transmission protocol(Identification cards- Contactless integ rated circuit (s) cards- Proximity cards- Part 4 : Transmission protocol)

Block Coding channel rayleigh

此程序为将a律13折线的PCM信号，进行采样量化输出，和其中的量化精度可达0.01(This procedure will be a law broken line 13 of the PCM signal sample quantization output, and the quantitative accuracy of 0.01)

PUMA560仿真系统,基于MATLAB的robottics toolbox工具箱. (PUMA560 simulation system based on MATLAB robottics toolbox, toolbox.)

B-M算法的实现，求出产生M序列的最短LFSR的联接多项式，调试成功，可以运行(BM algorithm, find the shortest LFSR sequence generated M join polynomials, debug successfully, you can run)

VC和Matlab混合编程总结 VC和Matlab混合编程总结(VC and Matlab programming concluding mixed mixed VC and Matlab programming summary)

围绕粒子群的当前质心对粒子群重新初始化.这样，每个粒子在随后的迭代中将在新的位置带着粒子在上次搜索中获得的“运动惯性”（wvi）向Pi，Pg的方向前进，从而可以在粒子群的运动过程中获得新的位置，增加求得更优解的机会.随着迭代的继续，经过变异的粒子群又将趋向于同一点，当粒子群收敛到一定程度时又进行下一次变异，如此反复，直到迭代结束.(particle swarm around the center of mass of the current PSO reinitialization. Thus, Each particle in the next iteration will be in the new location with particles in the last search was the "inertia" (wvi ) Pi, Pg orientation, and thus can PSO course of the campaign was a new position, increase seek better solutions opportunities. With the continued iteration, after variation of PSO will tend to the same point. When PSO converge to a certain extent when the next variation, so repeatedly, until the end of iteration.)