how can i find the frequency and the damping coefficient using fitting methods of the matlab?i have a signal output

3 次查看（过去 30 天）

显示更早的评论

prianka shukla 2016-2-17

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/268692-how-can-i-find-the-frequency-and-the-damping-coefficient-using-fitting-methods-of-the-matlab-i-have

回答： Star Strider 2016-2-17

curve fitting

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Star Strider 2016-2-17

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/268692-how-can-i-find-the-frequency-and-the-damping-coefficient-using-fitting-methods-of-the-matlab-i-have#answer_210240

See Damped Cosine Wave Fitting for my approach. You can change the ‘fit’ function to be a sine instead of a cosine if you want to. The code will work the same. I leave it to you to extract the necessary Control System parameters from the parameters the code estimates from your data.