دوره 15، شماره 3 - ( 6-1404 )
جلد 15 شماره 3 صفحات 4817-4811 |
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Taghi zadeh H, Rashidi A J, Taskhiri M M. Design and Optimization of a Plasma-Based Power Limiter for 24 GHz Automotive Radar Systems with Enhanced Electromagnetic Interference Suppression. ASE 2025; 15 (3) :4811-4817
URL: http://www.iust.ac.ir/ase/article-1-715-fa.html
URL: http://www.iust.ac.ir/ase/article-1-715-fa.html
Design and Optimization of a Plasma-Based Power Limiter for 24 GHz Automotive Radar Systems with Enhanced Electromagnetic Interference Suppression. Automotive Science and Engineering. 1404; 15 (3) :4811-4817
چکیده: (2918 مشاهده)
Automotive radar systems operating in the 24 GHz band are widely used in Advanced Driver Assistance Systems (ADAS) due to their cost-effectiveness and robust performance across diverse environmental conditions. However, these systems face critical vulnerabilities from electromagnetic interference (EMI) and high-power microwave (HPM) threats, which can degrade detection accuracy. This study presents a novel plasma-based limiter employing a Gas Discharge Tube (GDT) within an optimized K-band waveguide (10.668 × 4.318 mm) filled with Rogers RO3035 dielectric (εr = 3.6). The design achieves exceptional metrics: 0.9 dB insertion loss and 21.5 dB return loss during normal operation, while providing over 30 dB isolation against HPM signals with a sub-100 ns response time. These characteristics position this solution as an industry-leading protection mechanism for next-generation automotive radars.
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