دوره 13، شماره 4 - ( 10-1402 )
جلد 13 شماره 4 صفحات 4224-4218 |
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Farahbakhsh A. Single Layer Circular Polarized Antenna Array Based on Gap Waveguide Technology for Automotive Radar Applications. ASE 2023; 13 (4) :4218-4224
URL: http://www.iust.ac.ir/ijae/article-1-651-fa.html
URL: http://www.iust.ac.ir/ijae/article-1-651-fa.html
Single Layer Circular Polarized Antenna Array Based on Gap Waveguide Technology for Automotive Radar Applications. Automotive Science and Engineering. 1402; 13 (4) :4218-4224
چکیده: (6150 مشاهده)
This paper presents a single layer circularly polarized (CP) antenna array based on gap waveguide (GW) technology for automotive radar applications. The antenna element is a curved slot that is cut into the top wall of a groove gap waveguide (GGW) structure. An 8×8 slot array antenna is constructed by combining eight sub-arrays of linearly arranged slots, using an 8-way power divider as the feeding network. The power divider and the transition from WR12 to GGW are also designed based on GW technology. The proposed antenna array operates in the frequency band from 76 GHz to 81 GHz, covering the automotive radar working bandwidth. The antenna has a maximum gain of 23.8 dBi and a minimum axial ratio of 0.5 dB. The antenna performance is verified by simulation using CST Microwave Studio.
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