Return-Path: Received: (qmail 17006 invoked from network); 10 May 2000 17:15:57 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by grants.core.plus.net.uk with SMTP; 10 May 2000 17:15:57 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12pZR9-0003Yl-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 10 May 2000 17:34:15 +0100 Received: from d06lmsgate.uk.ibm.com ([195.212.29.1]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12pZR5-0003Yf-00 for rsgb_lf_group@blacksheep.org; Wed, 10 May 2000 17:34:12 +0100 Received: from d06relay02.portsmouth.uk.ibm.com (d06relay02.portsmouth.uk.ibm.com [9.166.84.148]) by d06lmsgate.uk.ibm.COM (1.0.0) with ESMTP id RAA66398 for ; Wed, 10 May 2000 17:22:56 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from usa.net (lig32-239-133-77.emea.lig-dial.ibm.com [32.239.133.77]) by d06relay02.portsmouth.uk.ibm.com (8.8.8m3/NCO v2.07) with ESMTP id RAA43596 for ; Wed, 10 May 2000 17:33:17 +0100 Message-ID: <39198F18.F0C55FCE@usa.net> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Date: Wed, 10 May 2000 18:32:25 +0200 From: "Alberto di Bene" Organization: Undisclosed X-Mailer: Mozilla 4.72 [en] (Win95; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: DFCW Parameters References: <3617AC3245C2D1118A840000F805359C017528CD@pdw-mercury-1.dera.gov.uk> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Talbot Andrew wrote: > > Does Spectran use the same windowing function as Spectrogram ? > Depending on which window is used, the effective bandwidth of a spectrum > display can be from one to three FFT bins, trading off display > sidelobes against effective bandwidth. Spectran presently applies a Hamming window to the incoming data. If you think it would be useful to use a rectangular one, perhaps selectable with a push-button, it is an easy change to the program Alberto, I2PHD