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http://dx.doi.org/10.5515/KJKIEES.2014.25.1.99

Development and Performance Test of Ka-Band Pulsed Doppler Radar System for Road Obstacle Warning  

Jung, Jung-Soo (Department of Avionics, Korea Aerospace University)
Seo, Young-Ho (Department of Avionics, Korea Aerospace University)
Kwag, Young-Kil (Department of Avionics, Korea Aerospace University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.25, no.1, 2014 , pp. 99-107 More about this Journal
Abstract
Abruptly occurred obstacles on highway threaten driving safety. Radar draws the attention to the collision avoidance system because it can be fully operational in all weather, and day and night condition. This paper presents the design, implementation and performance test results of pulsed Doppler radar system for detection and warning of road obstacles. The system is designed to consider highway environment and detection capability about various fixed and moving obstacles. The system consists of 4 subsystems, which include antenna unit, transmitter and receiver unit, radar signal & data processing unit, and controller & display unit. The core technologies include clutter map based change detection for fixed obstacles detection, Doppler estimation for velocity detection of moving targets, and azimuth angle estimation method using monopulse for lane estimation and tracking. The design performance of the developed radar system is verified through experiments using a fixed reference target and moving vehicles in test highway.
Keywords
Road Obstacle Detection; Radar System Design; Change Detection; Monopulse Processing;
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