--- In [email protected], Bill Turner <[EMAIL PROTECTED]> wrote: > > ORIGINAL MESSAGE: > > At 10:13 AM 6/22/2006, mulveyraa2 wrote: > > >So your "busy detector" would not allow transmissions on the HF > >bands in the presence of static crashes, localized QRM from dimmers > >switches, motors, electric fence chargers, faulty power line > >insulators... does that seem like an effective solution to you? > >Becuase, in my real world, all of those things are present at one time > >or another. > > > >- Rich > > *********** REPLY SEPARATOR *********** > > Did you even read my post? > > I said "non-white noise" would be detected. White noise like you list > above would be ignored. > >
I suggest that you learn how "white noise" is defined. The examples I cited above are NOT white noise sources. You might want to examine http://en.wikipedia.org/wiki/White_noise as a first step, in particular, the first sentence: "a random signal (or process) with a flat power spectral density. In other words, the signal's power spectral density has equal power in any band, at any centre frequency, having a given bandwidth. White noise is so called as an analogy with white light which contains all frequencies." I.E: Noise bursts, whether random ( static crashes, etc. ) or periodic ( fence chargers, dimmers, and so on ) do not provide a signal with a flat overall power density. - Rich ------------------------ Yahoo! Groups Sponsor --------------------~--> Great things are happening at Yahoo! Groups. See the new email design. http://us.click.yahoo.com/TISQkA/hOaOAA/yQLSAA/ELTolB/TM --------------------------------------------------------------------~-> Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
