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Development of the EM Wave Absorber for the Collision-Avoidance Radar of ITS  

Kim Dong-Il (Korea Maritime University)
Choi Chang-Mook (Korea Maritime University)
Ko Kwang-Soob (Naval Academy)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.9, 2006 , pp. 1-5 More about this Journal
Abstract
In this paper, the EM wave absorber was designed and fabricated for the collision-avoidance radar as a basic sensor of ITS(Intelligence Transport System), because radar system has some problems including false image and system-to-system interference. We fabricated some samples in different composition ratio of Carbon and CPE, and defined that optimum composition ratio of Carbon and CPE was 20:80 wt%. The complex relative permittivity was calculated by the measured data. And absorption abilities were simulated according to different thickness of the EM wave absorbers using the complex relative permittivity. The EM wave absorber was manufactured based on the simulated design. Simulated and measured results agree very well. As a result, the developed EM wave absorber with the thickness of 2 mm has absorption ability over 20 dB in frequency range of $76{\sim}77$ GHz.
Keywords
Collision-avoidance radar; EM wave absorber; ITS; Permittivity;
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Times Cited By KSCI : 2  (Citation Analysis)
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