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Thread Subject:
How to identify frequencies of a random signal

Subject: How to identify frequencies of a random signal

From: Nguyen Le Hoa

Date: 2 Feb, 2009 15:40:03

Message: 1 of 3

Hi all,
I have a random signal with unknown frequency components. How can I estimate the frequencies of that signal using matlab?

Thank you for your help!

Subject: How to identify frequencies of a random signal

From: David

Date: 2 Feb, 2009 15:50:18

Message: 2 of 3

"Nguyen Le Hoa" <nguyenlehoastc@yahoo.com> wrote in message <gm744j$f2l$1@fred.mathworks.com>...
> Hi all,
> I have a random signal with unknown frequency components. How can I estimate the frequencies of that signal using matlab?
>
> Thank you for your help!

doc fft

Subject: How to identify frequencies of a random signal

From: Johan Carlson

Date: 2 Feb, 2009 20:06:01

Message: 3 of 3

"David" <dave@bigcompany.com> wrote in message <gm74nq$p33$1@fred.mathworks.com>...
> "Nguyen Le Hoa" <nguyenlehoastc@yahoo.com> wrote in message <gm744j$f2l$1@fred.mathworks.com>...
> > Hi all,
> > I have a random signal with unknown frequency components. How can I estimate the frequencies of that signal using matlab?
> >
> > Thank you for your help!
>
> doc fft


Or, if it's purely random

doc spectrum

/JC

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