How to fft and filter some data and do ifft
Show older comments
Hello, I have two set of data 1.time 2.amplitude of the time domain.. I would like to do fft with respect to time and amplitude and remove some frequency and then do ifft
1.fft (time,amplitude) 2.remove some frequency 3.ifft after removing the signal. please let me know how to do....
Thanks in advance...
Answers (3)
Joseph Cheng
on 15 Jul 2014
0 votes
basically look up the fft documentation. They have examples on how to do the FFT and iFFT. If you need to remove some frequency just zero out the data at the frequency you desire.
1 Comment
Yogesh Babu
on 15 Jul 2014
Pavan Kumar Moturu
on 16 Mar 2015
0 votes
Hi Yogesh,
Did you find any solution for the task?
Regards Pavan Moturu
Hsu Ping
on 12 Jan 2017
Hello,
I would like to know how to do fft/remove some frequency/ifft? Could you provide any example?
1.fft (time,amplitude) 2.remove some frequency 3.ifft after removing the signal. please let me know how to do....
Thanks in advance...
Categories
Find more on Fourier Analysis and Filtering in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!