Radar device for vehicle and the control method thereof

• Main Authors: HANYEOL YU, JONG GYU PARK, HYEON DONG CHO
• Format: Patent
• Language: English; Korean
• Published: 11.09.2023
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRICITY; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PERFORMING OPERATIONS; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TESTING; TRANSPORTING; VEHICLES IN GENERAL

본 발명의 일 실시예에 따르면 차량용 레이더 장치에 있어서, 배열 안테나로 형성되는 복수의 송신 안테나 및 복수의 수신 안테나를 포함하는 안테나부; 상기 안테나부를 통해 송수신하는 레이더 신호와 반사 신호를 처리하여 타겟을 감지하는 신호 처리부; 상기 안테나부와 상기 신호 처리부를 연결하는 급전 선로를 통해 상기 레이더 신호 및 상기 반사 신호의 위상을 보정하는 급전부;를 포함하고, 상기 신호 처리부는, 유입되는 노이즈 신호에 대응하는 오타겟이 특정 각도에서 감지되도록 설계된 급전 선로의 위상 정보에 기초하여 상기 노이즈 신호의 위상을 보정한다. The radar device for a vehicle according to an exemplary embodiment of the present invention includes an antenna part including a plurality of transmitting antennas and a plurality of receiving antennas, the antenna part being formed of array antennas; a signal processor for detecting a target by processing a radar signal and a reflected signal transmitted and received through the antenna part; and a feeding part for correcting phases of the radar signal and the reflected signal through a feeding line connecting the antenna part and the signal processor, wherein the signal processor corrects a phase of a noise signal based on the phase information of a feeding line designed such that a false target corresponding to the noise signal incoming is detected at a specific angle.