Rectangular Slot Array Antenna

被引：0
|
作者：
Garcia, Elvis J. Trinidad [1 ]
Ortega, Ruben P. [1 ]
Tabet, Saad N. [1 ]
机构：
[1] NAWCAD, Radar Antennas & Sensor Fus Div, Patuxent River, MD 20670 USA
来源：
2020 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM (2020 ACES-MONTEREY) | 2020年
关键词：
Array; Broadband; Sidelobe; Slot; Taylor Taper; WIPL-D;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Slot antenna elements are quite popular for use in flat-panel arrays, due to their compactness and relatively large bandwidth. According to Babinet's Principle, slots and dipoles are duals in performance. Therefore, a vertically placed slot is horizontally polarized and a horizontally placed slot is vertically polarized. A rectangular slot array lends itself to a broad range of applications, e.g., tactical and weather radar. Such arrays can be gimbaled to point their beam in any azimuth and elevation angle of interest. In this effort, a slot antenna element is designed in WIPL-D Pro to operate over the 7.5 - 8.5 GHz frequency range. The element is designed to resonate at 8 GHz. The slot element is used to generate a 6x12 slot array normal to the xy-plane. Separate Taylor tapers (nbar = 5) are applied to the 6-row and 12-column elements to provide 25 dB and 30 dB sidelobe level (SLL) suppression, respectively. The input impedance and pattern performance for a single slot, as well as the slot array's radiation performance show excellent broadband performance.
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页数：2
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