[time-nuts] Orbital time-delayed angular momentum phasing....???!!

Didier Juges shalimr9 at gmail.com
Thu Jul 19 13:04:39 UTC 2012


What does that do to the focussing properties of the dish? 

Didier KO4BB

Michael Baker <mpb45 at clanbaker.org> wrote:

>Timenutters--
>
>Along the lines of splitting time into small increments, there
>is an interesting article in the May 2012 issue of the
>IEEE Spectrum Journal.
>
>It describes experiments with what I am calling "cork-screw
>time-shift phasing modulation" or "orbital time-delayed angular
>momentum phasing" for lack of a better description of the
>process.  This is not the same as circular-polarization of a
>radiated signal.
>
>Visualize a 4-ft dia parabolic reflector which has been cut
>(sliced) in a straight line from any arbitrary point on its outer
>edge to its center.    Then, at the outer lip of the reflector
>surface, pull one side of the cut about a foot forward of the
>other side of the cut.  The separation is greatest at the edge
>of the dish, gradually becoming less and less as the cut
>approaches the center of the dish.
>
>The concept is that RF energy from the feed progressively
>strikes different areas of the dish slightly ahead (time-wise)
>from RF energy that strikes other parts of the dish.   Because
>the surface of the dish resembles a cork-screw the signal
>from the dish has elements that are time-delayed with
>respect to other parts.   Accordingly, data elements can be
>incorporated into the signal which have sightly different
>time-delay angular momentum properties.  Again, the folks
>working on this insist that this is not the same as circular
>polarity of the radiated signal such as is obtained with a
>helix antenna.
>
>At the receive end, the process is reversed, producing a
>signal which when demodulated can contain extra levels
>of data modulation superimposed on it.
>
>The article points out that there are skeptics of the process
>who say that this same modulation procedure can be done
>with other methods although the modulation and demodulation
>process would be much more complex.
>
>The orbital angular momentum of photons in the optical
>realm has been extensively studied, although applying these
>principles to RF is something new.
>
>Mike Baker
>------------------------------
>
>
>
>
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