In message <deec01ab7a778d42b998e6a8e53b385904a48...@blums0014.na.baesystems.com>, dated Mon, 13 Aug 2007, "Mazzola, Santo (US SSA)" <[email protected]> writes:
>The 99 % criteria would not work as I think that you would not be 80 dB >down and that would be confusing. Well, energy is the time integral of power, so 1% energy is only -20dB. If the spectrum is symmetrical, the 99% energy bandwidth is between the -23 dBc points. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk There are benefits from being irrational - just ask the square root of 2. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________
