I have always thought of the concept of noise as equivalent to the concept of "weeds".
One man's noise is another man's signal. n Nicholas S. Thompson Emeritus Professor of Psychology and Ethology, Clark University ([email protected]) http://home.earthlink.net/~nickthompson/naturaldesigns/ > [Original Message] > From: Marcus G. Daniels <[email protected]> > To: The Friday Morning Applied Complexity Coffee Group <[email protected]> > Date: 4/25/2009 7:56:18 PM > Subject: Re: [FRIAM] random vs pseudo-random > > Douglas Roberts wrote: > > What leads you to suspect that the CPU I/O noise is random? The noise > > generated by such comes from a chipset that operates at a given > > frequency, which is powered by an AC source running at another > > frequency, filtered through a power supply with capacitors, resistors, > > etc. with their own set of time constant responses.. > Otherwise the effort is to reduce all noise, so presumably it is less > difficult to let a certain of class of noise in. I believe what the > PCMOS folks are going for are voltage variations on (fixed resistance) > wires due to Brownian motion of electrons due to heat-- white noise. > There's always plenty of heat. > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > lectures, archives, unsubscribe, maps at http://www.friam.org ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
