Frequency and phase modulation are fundamentally the same. They are directly related to each other since frequency is the derivative of phase with respect to time.
Amplitude modulation is independent. Dave -----Original Message----- From: Harry Veeder <hveeder...@gmail.com> To: vortex-l <vortex-l@eskimo.com> Sent: Fri, Dec 14, 2012 12:38 am Subject: Re: [Vo]:OT (Holiday Spirit): Christmas Flash Mob... or Group Mind occasionally waking up? On Thu, Dec 13, 2012 at 10:15 PM, <mix...@bigpond.com> wrote: > In reply to Abd ul-Rahman Lomax's message of Thu, 13 Dec 2012 14:31:04 -0500: > Hi, > [snip] >>It's also not necessary to explain human behavior, AFAIK. Look, that >>resonance is ELF. Possible data rate, a few Hz, maybe. No mechanism >>known for even emitting signals. No signals observed. >> > [snip] > I agree, it isn't necessary to explain human behaviour, however I have personal > reasons for believing that it is real nevertheless. > As for the Schumann resonance, yes, I know it's ELF, but it is nicely synced > with the human alpha brainwave rhythm, and I suspect, though I don't have the > math background to back it up, that it may be possible to "invisibly" encode a > high frequency signal in a low frequency medium, though it may not be EMF but > perhaps just EF or MF?? Perhaps something along the lines of a modulated > Aharonov–Bohm effect? > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/project.html > besides frequency and amplitude modulation, phase shifting is another way to encode information in a waveform. harry Harry
