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Re: bug in IDL's hanning() window-generating function [message #26041 is a reply to message #26031]

Wed, 01 August 2001 05:20

david[2]
Messages: 100
Registered: June 2001

Senior Member

Scott Bennett writes after a long analysis of the Hanning function:

> In any case, I think the point Harris made is that a discrete
> sampling of a window function should not taper to the same value at
> the end that it has at the beginning because to do so would include
> the first sample of the *next* period (windowed segment.) So IDL's
> hanning() gets it wrong for both even- and odd-length windows. :-(

Uh, huh. And how did RSI respond when you contacted them
about it?

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Re: bug in IDL's hanning() window-generating function By: Kenneth P. Bowman on Thu, 02 August 2001 19:32
		Re: bug in IDL's hanning() window-generating function By: bennetsc on Thu, 02 August 2001 18:42
		Re: bug in IDL's hanning() window-generating function By: bennetsc on Thu, 02 August 2001 18:00
		Re: bug in IDL's hanning() window-generating function By: Pavel A. Romashkin on Thu, 02 August 2001 14:30
		Re: bug in IDL's hanning() window-generating function By: Clay Kirkendall on Thu, 02 August 2001 10:53
		Re: bug in IDL's hanning() window-generating function By: Paul van Delst on Thu, 02 August 2001 08:42
		Re: bug in IDL's hanning() window-generating function By: Clay Kirkendall on Thu, 02 August 2001 06:35
		Re: bug in IDL's hanning() window-generating function By: bennetsc on Thu, 02 August 2001 00:16
		Re: bug in IDL's hanning() window-generating function By: bennetsc on Thu, 02 August 2001 00:21
		Re: bug in IDL's hanning() window-generating function By: Jaco van Gorkom on Fri, 10 August 2001 09:16
		Re: bug in IDL's hanning() window-generating function By: bennetsc on Wed, 01 August 2001 22:56
		Re: bug in IDL's hanning() window-generating function By: Brian Jackel on Wed, 01 August 2001 10:51
		Re: bug in IDL's hanning() window-generating function By: Paul van Delst on Wed, 01 August 2001 08:10
		Re: bug in IDL's hanning() window-generating function By: Jaco van Gorkom on Wed, 01 August 2001 07:30
		Re: bug in IDL's hanning() window-generating function By: david[2] on Wed, 01 August 2001 05:20
		Re: bug in IDL's hanning() window-generating function By: david[2] on Thu, 02 August 2001 20:31
		Re: bug in IDL's hanning() window-generating function By: bennetsc on Fri, 03 August 2001 22:26

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