Reply by Laleh Mokhtarpour●February 11, 20102010-02-11
Hi
I want to design a narrow band singnal comprising frequencies of 100, 200, 300
and 400 Hz. it's variance is adjusted to 2, and a white noise with SNR of
30 db is added.
at the end I want to plot it's PSD, and my main problem is that I dont know
how to use fft or how to set it's value
I wrot my matlab codes.
I am wondering if anybody could help me !?