NASA NTRS · 19700000025
A range-rate extraction unit for determining Doppler effect
Abstract
Active ranging technique devised for VHF or S-band radar systems divides target Doppler frequency by counter-generated number that is proportional to transmitting frequency, thus producing target velocity data in terms of speed and distance relative to target transponder.
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1970-04-01. A range-rate extraction unit for determining Doppler effect. https://ntrs.nasa.gov/citations/19700000025
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