RADAR SYSTEM AND AZIMUTH ESTIMATION METHOD
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Feb 22, 2024
filing date -
Aug 24, 2021
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Abstract
A radar system of one aspect of the present disclosure includes a plurality of transmitting antennas, a plurality of receiving antennas, an azimuth estimation unit, a restoration unit (S30), an error calculation unit, and a false azimuth determination unit. The azimuth estimation unit estimates an azimuth of a target based on a first received signal received by a virtual array. The restoration unit calculates a second received signal from an estimated power of the first received signal which corresponds to a signal restored from the first received signal, assuming that the transmitting azimuth is the same as an arrival azimuth. The false azimuth determination unit determines that the estimated azimuth is a false azimuth when the errors between the first received signal and the second received signal are larger than a determination threshold.
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