How to fft and filter some data and do ifft

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Yogesh Babu
Yogesh Babu on 15 Jul 2014
Answered: Hsu Ping on 12 Jan 2017
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
Joseph Cheng on 15 Jul 2014
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.
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Yogesh Babu
Yogesh Babu on 15 Jul 2014
Hello, Thanks for your reply!!
I read that the documentation but it is not so clear to this one...

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Pavan Kumar Moturu
Pavan Kumar Moturu on 16 Mar 2015
Hi Yogesh,
Did you find any solution for the task?
Regards Pavan Moturu

Hsu Ping
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...

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