SIGNAL DETECTION METHOD AND APPARATUS, AND RADAR SYSTEM
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United States of America Patent
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Issued Date -
Feb 23, 2023
app pub date -
Nov 3, 2022
filing date -
Nov 3, 2022
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Abstract
This application provides a signal detection method and apparatus, and a radar system, which may be applied to the internet of vehicles, intelligent vehicle, autonomous driving, or intelligent driving field. The signal detection method (700) includes: A first radar transmits a first sounding signal in a first time period of a first frame (710). The first radar transmits a second sounding signal in a second time period of the first frame (720). The first radar receives reflected signals corresponding to the first sounding signal and the second sounding signal (730). The first radar determines a false alarm target based on a difference between a first distance-velocity spectrum and a second distance-velocity spectrum (740). The second sounding signal is a signal obtained through first phase code modulation based on the first sounding signal. The signal detection method can be used to determine the false alarm target, and identify a real target, thereby improving a probability and reliability of detecting the correct target.
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