Date: Nov 15, 2012 4:40 AM
Subject: Re: question on fft example
On 11?15?, ??4?37?, "Nasser M. Abbasi" <n...@12000.org> wrote:
> On 11/15/2012 2:33 AM, oversky wrote:
> > The mathwork fft example in the following link,
> > why do we double abs(Y(1:NFFT/2+1) when plotting the amplitude?
> > plot(f,2*abs(Y(1:NFFT/2+1)))
> This was talked about before. can google it. Here is my take on it:
> "Why does it multiply by 2?"
Thank you. I found a lot of useful material in your website.