公开(公告)号：US20230035968A1

公开(公告)日：2023-02-02

申请号：US17815632

申请日：2022-07-28

Applicant: Magna Electronics Inc.

Inventor： Helmut Arnold Hardow Wodrich ,  Walter Gordon Woodington ,  Suresh Boddi ,  Holger Hess ,  Danny A. Schram

IPC: G01S13/931 ,  H01Q1/32

Abstract: A vehicular radar sensing system includes a radar sensor that includes (i) at least one transmitter that transmits radio signals, and (ii) at least one receiver that receive radio signals. The radar sensor includes a waveguide antenna and a printed circuit board (PCB) with a transmitter pad and a receiver pad. The transmitter transmits radio signals to the transmitter pad, and the receiver receives radio signals from the receiver pad. The PCB includes a ground plane layer and a plurality of conductive elements that at least partially surrounds at least the transmitter pad. The plurality of conductive elements electrically connects the waveguide antenna to the ground plane layer and attaches the PCB to the waveguide antenna. The waveguide antenna (i) guides the transmitted radio signals from the transmitter pad to the exterior environment and (ii) guides reflected radio signals from the exterior environment to the receiver pad.