"Bob Cain" wrote in message


Arny Krueger wrote:

Fool that I am, I'm kinda stuck down here in the real world. Forget
the math,

Then we are whistling in the dark. I admire your
experimentalist approach. Experiment trumps theory, always.

I just ask that you draw no conclusions from a system that
contains measurable non-linearity in the transducer itself.

I think that's being too restrictive. We have at least two ways to
distinguish AM from FM. The fact that we're finding so much AM is probably a
guide to the most practical answer.