應用於停車輔助系統之77GHz毫米波雷達感測器硬體設計與實作;Hardware Design and Implementation of a 77GHz Millimeter-Wave Radar Sensor for Parking Assistance Systems

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题名:	應用於停車輔助系統之77GHz毫米波雷達感測器硬體設計與實作;Hardware Design and Implementation of a 77GHz Millimeter-Wave Radar Sensor for Parking Assistance Systems
作者:	温仕宇;Wen, Shih-Yu
贡献者:	通訊工程學系在職專班
关键词:	毫米波雷達;調頻連續波;車用感測器;mmWave Radar;FMCW;Automotive Sensor
日期:	2025-07-01
上传时间:	2025-10-17 12:18:17 (UTC+8)
出版者:	國立中央大學
摘要:	近年來，先進輔助駕駛系統（ADAS）的快速發展對車輛環境感測提出了更高的精度、偵測範圍和可靠性需求。雖然超聲波感測器自1980年代起廣泛應用於停車輔助系統，但其物理特性導致感測距離受限，且易受環境因素干擾，在新一代輔助駕駛系統的應用要求下，局限性逐漸顯現。相比之下，基於調頻連續波（FMCW）技術的毫米波雷達具備更長的感測距離、更高的分辨率與抗干擾能力，隨著晶片成本逐漸下降，成為取代超聲波感測器的理想選擇。本研究基於TI AWRL1432毫米波雷達晶片進行硬體實作與性能測試，並將其與超聲波感測器在不同情境中的效能進行比較。結果顯示，毫米波雷達在精度與穩定性方面展現顯著優勢，為駕駛輔助系統提供了更靈活的應用可能性。;In recent years, the rapid development of Advanced Driver Assistance Systems (ADAS) has imposed higher demands on the accuracy, detection range, and reliability of vehicle environmental sensing technologies. While ultrasonic sensors have been widely used in parking assistance systems since the 1980s, their inherent physical limitations result in restricted sensing range and susceptibility to environmental interference. These constraints have increasingly become apparent under the requirements of next-generation ADAS applications. In contrast, millimeter-wave radar based on Frequency Modulated Continuous Wave (FMCW) technology offers longer detection ranges, higher resolution, and stronger resistance to interference. With the gradual reduction in chipset costs, millimeter-wave radar is emerging as an ideal replacement for ultrasonic sensors. This study implements a hardware platform and conducts performance evaluations based on the TI AWRL1432 millimeter-wave radar chip, comparing its effectiveness against ultrasonic sensors in various scenarios. The results demonstrate that millimeter-wave radar exhibits significant advantages in accuracy and stability, providing greater flexibility for applications in driver assistance systems.
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