lowpassfilter

Eular方程的移动网格程序,用弧长函数做控制函数。(moving mesh for Eular equation)

说明：  matlab的function，计算hurst指数(matlab' s function, calculated hurst index)

this code will run Lorenz attractor. the function file is lorenz.m and the call file is lorenz1.m

说明：  用于matlab仿真的光伏发电并网模型，这是经典类型。做光伏并网读电能质量的影响中用到的。(Photovoltaic grid-connected model for matlab simulation. This is a classic type. Used in photovoltaic grid-connected reading power quality impact.)

非线性光纤光学中用来仿真二阶色散、三阶色散以及SPM的程序，对刚开始进行科研的人有很大帮助。(Fiber optics used for simulation of nonlinear second-order dispersion, third-order dispersion and SPM process right to conduct scientific research in the beginning there is a great help.)

说明：  车牌识别程序 可以识别车牌 大家快试试(CHANEGPAI SHIBIE)

RLS algorithm code used for signal estimation

说明：  基于传递矩阵的方法，计算转子动力学系统临界转速及振型(Critical Speed and Vibration Mode of Rotor Dynamics System Based on Transfer Matrix Method)

MUSIC算法，测量三个信号的达到方向角。输入信号可以调整，输入角度也可任意设定。(MUSIC algorithm, measuring three signal reaches direction angle. The input signal can be adjusted, the input angle can be arbitrarily set.)

说明：  FIR滤波器的设计，刚开始用matlab的可以参考下，(FIR filter example,those who just begin to learn matlab can refer to these programs.)