Borrar filtros
Borrar filtros

power spectrum VS amplitude of FFT function

4 visualizaciones (últimos 30 días)
Bob GH
Bob GH el 1 de Jun. de 2013
Hi. what is the different between power spectrum and amplitude in FFT function?
if there is, how to calculate each one?

Respuestas (1)

Craig Cowled
Craig Cowled el 1 de Jun. de 2013
Power = 20 * log10(abs(FFT))
  1 comentario
Bob GH
Bob GH el 1 de Jun. de 2013
Thanks Craig. You mean if I apply fft from input and take abs from result, it gives amplitude. Is it correct?

Iniciar sesión para comentar.

Categorías

Más información sobre Fourier Analysis and Filtering en Help Center y File Exchange.

Community Treasure Hunt

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

Start Hunting!

Translated by