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步进电机的MATLAB仿真程序，采用了卡尔曼滤波，对定子电流进行估计，并估算出转子的位置和速度(Continuous time extended Kalman filter simulation for two-phase step motor，Estimate the stator currents, and the rotor position and velocity, on the basis of noisy measurements of the stator currents. )

说明：  现代通信系统 （基于matlab仿真版本） 书籍pdf 通信与信号处理专业首选教科书 (Modern communication systems (based on matlab simulation version) pdf books, professional choice for communications and signal processing textbooks)

用matlab编写的快速傅里叶变换程序，简单易懂，且有大量注释。(Fast Fourier Transform Algorithm)

关于随机数生成的的源代码，matlab编写的，值得收藏，欢迎大家踊跃下载，为中国的科研事业做贡献(About random number generator of the source code, matlab prepared and worthy of collection, enthusiastically welcomed the U.S. download, in order to make China' s contribution to the cause of scientific research)

matlab code for ldpc code

程序实现对二阶自适应滤波器的误差特性曲面的绘制(Program drawing of the error characteristics of the surface of the second-order adaptive filter)

改程序可以实现任意阶的伪随机序列的产生，并且以文本格式保存起来，方便查看和调用(Reform program can generate pseudo-random sequence of arbitrary order, and saved in text format for easy viewing and calling)

MATLAB语言编写变步长复化梯形求积公式的算法程序（函数式M文件）(MATLAB language-based variable step-size re-trapezoidal quadrature formula of the algorithm program (functional M file))

说明：  matlab在控制系统方面的讲义，供学习参考(matlab lecture notes in control systems for the study reference)

使用matlab方法，计算强场下的stark光谱，内含详细说明。(Matlab method used to calculate the stark spectroscopy under strong field, containing detailed instructions.)