John Woodgate wrote: > The noises are uncorrelated (largely), so you add 3 dB, not 6.
Now I'm confused! I always thought it was noise *level* (similar to voltage level) not noise *power*, and hence it was 20*log(ratio) not 10*log(ratio). So I've been using 6dB for doubling noise, not 3dB. I'll need to consult some basic texts, methinks. Regards, Alan -- Remove ".paper-bag" from address if replying by email. ******************************************************************** This email and any attachments are confidential to the intended recipient and may also be privileged. If you are not the intended recipient please delete it from your system and notify the sender. You should not copy it or use it for any purpose nor disclose or distribute its contents to any other person. ******************************************************************** This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
