10-11-2011 07:12 AM
Hello,
I would like to divide the frequency spectrum for each 1000Hz and would like to see the amplitude levels of peaks in each divided spectrum until 10KHz. How can I do that? Please suggest me some ideas.
10-11-2011 07:29 AM
@shjukheter wrote:
Hello,
I would like to divide the frequency spectrum for each 1000Hz and would like to see the amplitude levels of peaks in each divided spectrum until 10KHz. How can I do that? Please suggest me some ideas.
You can use the divide and conquer FFT Express VI If that VI does not do the job. I have some papers on FFT spectrums that will help you understand the FFT basics. Like how the "frequency bins" are spaced.
http://zone.ni.com/devzone/cda/tut/p/id/4278
http://zone.ni.com/devzone/cda/tut/p/id/4541
10-11-2011 07:59 AM
I am using labview 2011 and i don't find that VI in express pallet.
10-11-2011 10:05 AM - edited 10-11-2011 10:06 AM
Sorry my bad, you may not have RISK game add-on
It was joke, the thing about the EXpress VI . But read the links instead.
10-11-2011 02:13 PM
I read the document which describes about FFT but how can I separate the each band as I mentioned before. I would like to see the peaks amplitude in each separated band. Please give me some ideas.