digital comm

此程序差分空时分组码编码程序,是基于正交的(Differential space-time block coding process, is based on orthogonal)

最小二乘法电力系统状态估计，利用IEEE-14和IEEE-30节点系统检验，结果正确(WLS method of power system state estimation)

说明：  二阶锁相环 matlab实现 QPSK BPSK(Implementation of QPSK BPSK with second-order PLL matlab)

交流电机前馈控制的matlab仿真实验，使用的控制器是PID控制器(AC motor feedforward control matlab simulation, PID controller using the controller is)

Finding the poles and zeroes of a function and specifying them on the matlab window.

alpha-β滤波器是针对匀速运动目标模型的一种常增益滤波器，本代码给出了在目标机动指标已知、未知和自适应滤波三种情况下的仿真代码(alpha-β filter is a moving target model for a uniform constant gain filter, the code is given in the target mobile targets known, unknown and adaptive filtering three cases of simulation code)

有关卷积码的一片文档，内容比较简单，适合入门。可以作为了解其原理。(A document about convolution code, content is relatively simple, suitable for entry.Can be used as understand its principle.)

蔡氏混沌电路的仿真,混沌同步中常用同步方法的仿真，基于蔡氏混沌电路(cai chaos control)

一般最小二乘、递推最小二乘、增广最小二乘用于有色噪声干扰的系统辨识，及辨识结果对比。(General least squares, recursive least squares, extended least squares for the colored noise system identification, and the comparison of recognition results.)

matlab code for view image