[sdiy] Theremin

[Scott Gravenhorst]

Reflected brightness is measured.  

I think the round trip time is a bit quick for simple analog circuits or
even digital to measure.

"Paul Maddox" <P.Maddox at signal.qinetiq.com> wrote:
>Richard,
>
>> 'Scuse my dimness, but do you measure distance by calculating reflected 
>> trip time, or reflected brightness?
>
>good question!
>
>> Yeah, but you don't get that cool 50s retro antenna look. ;-)
>
>50's?
>Man, you're to far ahead, try the 20's....
>
>Paul
>

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