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无刷直流电动机的滑模变结构控制程序－采用变速PVC策略 (brushless DC motor SMVSC control procedures-using variable speed PVC strategy)

粒子群算法是一种新的模仿鸟类群体行为的智能优化算法，描述了基本粒子群算法和改进粒子群算法的原理。(Particle swarm optimization (pso) algorithm is a kind of new imitate birds swarm behavior of intelligent optimization algorithm, describes the basic principle of particle swarm optimization (pso) algorithm and improved particle swarm algorithm .)

PWM换流器，线电压415V-直流电压678V(pwm inverter （VDC678V-VL415V）)

zemax与matlab调用程序，当您用matlab分析复杂数据时，可以利用zemax光路计算工具提供原始数据，由matlab分析，并且可以驱动zemax优化，对自由曲面的优化更为重要，此代码为matlab调用zemax的函数库。(ZEMAX and Matlab : A Powerful Pair ZEMAX features a built-in DDE (Dynamic Data Exchange) server that allows other Windows® applications access to ZEMAX functions. Programming DDE applications can be somewhat complex if you are working in a compiled language such as C++. An alternative is to use one of the scripting languages such as Tcl, Python or Matlab. Matlab is a great choice since it is much more than a scripting language. Matlab provides a wealth of functions for processing and visualizing scientific and engineering data and there are toolboxes for Matlab that extend the basic capabilities into a wide variety of more specialized areas and disciplines. )

使用Matlab软件工具，求多个入射信号源的功率的程序，简单好用。(a simple way to get the power of coming signals by the tool of Matlab.)

cordic向量迭代求取IQ信号幅值，及相位 反cordic求正弦、余弦值(use cordic to computer the magnitude of IQ signal and cos、sin )

Matlab 时频分析技术及其应用Matlab 时频分析技术及其应用Matlab 时频分析技术及其应用(Matlab 时频分析技术及其应用)

fast fourier transform of heart sound

说明：  行向量绘图，在matlab中对于含有大量的数据，单独在一张静态的图上是显示效果是很不理想的，这个程序实现了在matlab中以示波器的形式动态的显示器波形图(Row vector graphics in matlab in containing a large amount of data, alone in a static chart is to show the effect is not ideal, the realization of this procedure in matlab in the form of oscilloscope waveform display dynamic)

matlab版最炫民族风，娱乐，可以参考下发生和节拍的编写(《Most shining national wind》on Matlab，for fun)