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matlab实现，绘制二维及三维HHT谱图(Matlab implementation, draw 2D and 3D HHT spectrum)

一个模拟的心电信号的matlab程序，其中一共包含了一个主程序和6个小程序，小程序分别是q波，s波，u波，p波，t波以及QRS波的模拟，运行的时候直接运行主程序complete.m 文件即可，运行良好，可以出波形(A simulated ECG of the matlab program, which includes a total of six small main program and procedures, the procedures are small q-wave, s-wave, u-wave, p-wave, t-wave and QRS wave simulation, run time complete.m documents directly to the main program to run, run well, can be a waveform)

matlab的一些函数功能，方便用户各自要求进行选择。(some function matlab function to facilitate the users to choose their own requirements.)

整数规划问题，采用MATLAB编程，可以改变参数后直接使用(Integer programming problem, the use of MATLAB programming, you can change the parameters directly)

这是一个基于MATLAB的Lyapunov指数计算方案，在混沌预测等方面会很有用。(This is a MATLAB-based Lyapunov index calculation program, the chaos and the prediction would be useful.)

说明：  分数阶滤波，FRFT自适应滤波，以及其实例。 附有相对应的数据可用给的程序做处理。(Fractional order filtering, FRFT adaptive filtering, and its example. The corresponding data are attached, which can be processed by the program.)

AR自适应滤波器，用Kalman滤波器跟踪AR模型的吸收变化(adaptive AR model，use kalman filter to trace the variance of ar coeffience)

Sine pdf for users that work in the domain of signal processing. help how to improve the process and work

实现了QPSK在瑞利信道下的性能仿真,仿真结果与理论曲线相比较，结果相符。供大家参考。(It achieved the simulation of QPSK performance in Rayleigh channel.)

直流电机MATLAB仿真程序，希望大家喜欢。。。(DC MATLAB simulation program, hope you like. . .)