公开(公告)号：US11802954B2

公开(公告)日：2023-10-31

申请号：US17126624

申请日：2020-12-18

Applicant: DENSO CORPORATION

Inventor： Yuki Anno ,  Sungwoo Cha

IPC: G01S13/72 ,  G01S13/931 ,  G01S13/58 ,  G01S13/42

CPC classification number: G01S13/726 ,  G01S13/426 ,  G01S13/584 ,  G01S13/931 ,  G01S2013/932 ,  G01S2013/93271

Abstract: A radar device including a transmission antenna; a reception antenna; and a controller detecting target information about a target by transmitting a transmission wave from the transmission antenna in multiple transmission/reception modes and by receiving a reception wave by the reception antenna. The multiple transmission/reception modes include: a scanning mode performing beam scanning within a detection angle range; a provisional tracking mode irradiating the transmission wave from the transmission antenna to each of the targets detected in the scanning mode for provisionally detecting target information; and a main tracking mode decisively detecting the target information of each of the targets by irradiating the transmission wave to the target using a transmission wave irradiation time that is set based on the target information provisionally detected in the provisional tracking mode.

公开(公告)号：US12276719B2

公开(公告)日：2025-04-15

申请号：US17693772

申请日：2022-03-14

Applicant: DENSO CORPORATION ,  MIRISE Technologies Corporation ,  TOYOTA MOTOR CORPORATION

Inventor： Sungwoo Cha

IPC: G01S13/58 ,  G01S7/35

Abstract: A radar device includes a transmitter module configured to generate transmission waves including: generating a first chirp chain at a first chirp rate for a transmission wave to be output including: generating a first transmission signal including at least one modulated signal to be output at a first angle; and generating a second transmission signal to be output at a second angle different from the first angle; and generating a second chirp chain at a second chirp rate for the transmission wave to be output including: generating a third transmission signal including at least one modulated signal to be output at the first angle; and generating a fourth transmission signal including at least one modulated signal to be output at the second angle, where the first chirp rate is different than the second chirp rate.