How to generate a time signal from spectrum

Hello,

I'm working on spectrum comes from sea wave data. I have a JONSWAP spectrum and I need to generate a signal in time domain to fed my numerical model of a floating body, can anybody suggest me how do it.

[Mirlan Karimov]

If you could get any result please share it with me via [e-mail] I am working on the same problem

Answer 1

[Abhishek Ballaney]

https://in.mathworks.com/help/matlab/ref/ifft.html