Path: news.mathworks.com!not-for-mail
From: "Vincenzo Manzoni" <ervincio@tiscali.it>
Newsgroups: comp.soft-sys.matlab
Subject: Re: PSD and sptool
Date: Sun, 5 Aug 2007 11:35:21 +0000 (UTC)
Organization: The MathWorks, Inc.
Lines: 8
Message-ID: <f94clp$7fh$1@fred.mathworks.com>
References: <f91vj2$2td$1@fred.mathworks.com> <1186310428.982559.177670@q75g2000hsh.googlegroups.com>
Reply-To: "Vincenzo Manzoni" <ervincio@tiscali.it>
NNTP-Posting-Host: webapp-01-blr.mathworks.com
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 8bit
X-Trace: fred.mathworks.com 1186313721 7665 172.30.248.36 (5 Aug 2007 11:35:21 GMT)
X-Complaints-To: news@mathworks.com
NNTP-Posting-Date: Sun, 5 Aug 2007 11:35:21 +0000 (UTC)
X-Newsreader: MATLAB Central Newsreader 1073600
Xref: news.mathworks.com comp.soft-sys.matlab:422509



> greg-heath power-spectrum-scaling

In this link
(http://www.mathworks.com/support/tech-notes/1700/1702.html)
the magnitude of fft is scaled by NFFT, while you, in your
post, scale the fft by sqrt(NFFT).

What is the difference? Thanks you for your help...