Chirp signals are fast, accurate, and provide information that may be more difficult to obtain in other ways, as Mark A Martin, Jayant Datta and Xinhui Zhou explain. Figure 1: The frequencies of the ...
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In William Gibson’s most recent novel, The Peripheral, there’s a pair of bodyguards who talk to one another using what sounds like birdsong. Everything they say is translated into this encrypted ...
A ramp tracker creates the chirp signal, while paired NMOS and PMOS varactors correct frequency distortions. This hardware linearization method allows fast, accurate chirps with simpler circuits and ...
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