Design of Dual Polarized FMCW Radar System With Coupler Integrated Lens Antenna for Automotive SAR Application

IF 7.1 2区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Vehicular Technology Pub Date : 2025-01-03 DOI:10.1109/TVT.2025.3525670

Chanhee Lee;Hyunyoung Cho;ByungKuon Ahn;Woo-Kyung Lee;Jong-Won Yu;Jeong-Wook Kim

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Abstract

This paper presents the design of a dual-polarized frequency-modulated continuous wave (FMCW) radar system with a coupler-integrated lens antenna for automotive synthetic aperture radar (SAR) applications. High-resolution radar imaging is imperative for automotive use, with dual-polarized SAR imaging providing robust support in achieving this objective. However, exploration of the system design for dual-polarized FMCW SAR systems has been limited. The paper outlines the design of the aforementioned radar system, emphasizing its suitability for automotive SAR applications. It details the requisite parameters for dual-polarized automotive SAR systems and the design considerations for the dual-polarized lens antenna. Additionally, it proposes a radar signal monitoring method employing a coupler-integrated antenna to detect the radiated radar signal. Furthermore, a dual-polarization synthesis method is introduced to enhance SAR image quality. Experimental validation of the implemented dual-polarized FMCW radar with a coupler-integrated lens antenna confirms the effectiveness of the proposed system design.

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车用SAR耦合器集成透镜天线双极化FMCW雷达系统设计

本文设计了一种用于汽车合成孔径雷达（SAR）的双极化调频连续波（FMCW）雷达系统，该系统具有耦合器集成透镜天线。高分辨率雷达成像对于汽车应用至关重要，双偏振SAR成像为实现这一目标提供了强有力的支持。然而，对双极化FMCW SAR系统设计的探索一直受到限制。本文概述了上述雷达系统的设计，强调了其在汽车SAR应用中的适用性。详细介绍了双极化汽车SAR系统的必要参数和双极化透镜天线的设计考虑。此外，还提出了一种利用耦合器集成天线检测辐射雷达信号的雷达信号监测方法。在此基础上，提出了一种双偏振合成方法来提高SAR图像质量。对所实现的耦合器集成透镜天线双极化FMCW雷达进行了实验验证，验证了系统设计的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Vehicular Technology 工程技术-电信学

CiteScore

6.00

自引率

8.80%

发文量

1245

审稿时长

6.3 months

期刊介绍： The scope of the Transactions is threefold (which was approved by the IEEE Periodicals Committee in 1967) and is published on the journal website as follows: Communications: The use of mobile radio on land, sea, and air, including cellular radio, two-way radio, and one-way radio, with applications to dispatch and control vehicles, mobile radiotelephone, radio paging, and status monitoring and reporting. Related areas include spectrum usage, component radio equipment such as cavities and antennas, compute control for radio systems, digital modulation and transmission techniques, mobile radio circuit design, radio propagation for vehicular communications, effects of ignition noise and radio frequency interference, and consideration of the vehicle as part of the radio operating environment. Transportation Systems: The use of electronic technology for the control of ground transportation systems including, but not limited to, traffic aid systems; traffic control systems; automatic vehicle identification, location, and monitoring systems; automated transport systems, with single and multiple vehicle control; and moving walkways or people-movers. Vehicular Electronics: The use of electronic or electrical components and systems for control, propulsion, or auxiliary functions, including but not limited to, electronic controls for engineer, drive train, convenience, safety, and other vehicle systems; sensors, actuators, and microprocessors for onboard use; electronic fuel control systems; vehicle electrical components and systems collision avoidance systems; electromagnetic compatibility in the vehicle environment; and electric vehicles and controls.