Seems I'm not going to be able to get you to visualise this DR .. I must confess I'm getting a bit frazzled by the diminishing returns. I'm trying very hard to make you consider an unknown and you return a bit of copy and paste and a page of bog standard well known wiki
. Wavelength is the unit of the electromagnetic wave. It certainly isn't the unit of the longitudinal wave . although it may be said to have a period. As I'm asking you to consider the electrical (equivalent) affects of this wave after what you may consider the (equivalent) of demodulation it is essential that you grasp the nature of it.without rancor I urge you to watch and pay attention to this early presentation on the longitudinal wave. Particularly to the units whilst noting It isn't a sine wave and nothing to do with wavelength or really anything else your considering.
https://www.youtube.com/watch?v=r7oAlvaC8ls
Alas if you can't grasp that this phenomena exists and its conversion produces something different to anything you (or I) know --(or is on wiki) there will be no progress , please avoid looping on sine and square waves - it doesn't apply as I explained I used it to indicate 'at a limit' a transformation to a different dimension.
of course Eric does it better Kind Regards Duncan


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