comp.lang.idl-pvwave archive
Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
Home » Public Forums » archive » FFT phase?
Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend  		Switch to threaded view of this topic Create a new topic Submit Reply
FFT phase? [message #82919] Thu, 24 January 2013 09:28
xqinshan is currently offline  xqinshan
Messages: 21
Registered: November 2008
Junior Member
Hi,

just use FFT(y). For example, y=A*cos(x+B), C=fft(y). I think atan(C,/phase) should equal to B, but the return reslut is not. How to obtain A and B from complex C?

xqinshan

Report message to a moderator

  Switch to threaded view of this topic Create a new topic Submit Reply
Previous Topic: Requested change to "SAVE" procedure
Next Topic: Re: interpolating flux

-=] Back to Top [=-
[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Wed Oct 08 15:36:43 PDT 2025

Total time taken to generate the page: 0.00469 seconds
.:: Contact :: Home ::.

Powered by: FUDforum 3.0.7.
Copyright ©2001-2013 FUDforum Bulletin Board Software