Do we need to sample a analog signal before taking FFT for it in MATLAB?

4 views (last 30 days)
Karthik14590
Karthik14590 on 25 Sep 2013
Consider y=sin(t), I want to take the FFT for it.Can I take the FFT for it without sampling? Is that the right way?

Sign in to answer this question.

Answers (1)

Walter Roberson
Walter Roberson on 25 Sep 2013
No, if you want to do it without sampling then you should be using Fourier Transform instead of Fast Fourier Transform, as FFT is for discrete data.

Categories

Find more on Fourier Analysis and Filtering in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!