simulation-QAM

用matlab编写的用中心差分法求解二自由度问题(Prepared using matlab central difference method with two degrees of freedom problem)

1. Transfer function to state space model transfer function to state space A=[1 1 1] B=[1 6 11 6] [A,B,C,D]=tf2ss(num,den)

A User Material (UMAT) subroutine that models the deformation of single crystals which undergo plastic deformation

这些是薛定宇控制系统设计书中的各种有用的小程序(Is the Xue Dingyu control system design book the useful program)

说明：  spxy，用于校正集验证集划分，基于X、Y矩阵的校正集及验证的划分(Correction set verification set partition)

一个萤火虫算法，很好用的。只需要换测试函数即可。不过请注意例如萤火虫个数的等参数的更换。(A firefly algorithm, easy to use. Merely need to replace the test function can be. Oh Oh Oh Oh)

随机矩阵为小波变换的压缩传感，包含有系数采样、随机矩阵、重构算法程序(compressive sensing)

说明：  用matlab搭建shepwm，然后通过迭代法得到更优解(SHEPWM is built by MATLAB, and the better solution is obtained by iterative method)

This MATLAB m-file ferbsim.m is a simulation program for a rotating flexible beam attached to a base. The mathematicla model is created from ferobem.m as system mass and stifness matrices

说明：  仿真锁相环 及锁相环的MATLAB代码(pll MATLAB )