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kkylin
3 days ago
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Ultrasonic Chips Could Cut Interference in the IoT
A signal processing prof back in college had worked on radars in WWII, and he told us about using acoustic delay lines for various purposes. (Can't find a good reference in the couple minutes I have right now, unfortunately.)
KK7NIL
3 days ago
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The Wikipedia article on delay-line memory has a section on radar delay-lines and some references to go off of:
https://en.m.wikipedia.org/wiki/Delay-line_memory
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