Angle measuring device, angle measuring method, and in-vehicle device
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United States of America Patent
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Jul 9, 2024
Grant Date -
Oct 21, 2021
app pub date -
Jun 28, 2021
filing date -
Jan 31, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An angle measuring device includes: a signal extracting unit for extracting a signal that includes a first reflection wave and does not include a second reflection wave as a first demodulated signal and a signal that includes the second reflection wave and does not include the first reflection wave as a second demodulated signal from reception signals output from one or more reception antennas among a plurality of reception antennas; an elevation calculating unit for calculating an elevation of a target by performing monopulse angle measurement using a sum signal of the first demodulated signal and the second demodulated signal and a difference signal between the first demodulated signal and the second demodulated signal; and an azimuth calculating unit for calculating an azimuth of the target using reception signals output from the plurality of reception antennas.
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