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引用次数: 5
摘要
本文提出了一种紧凑的矩形微带天线，尺寸为18mm x 12mm x 1.6 mm，由FR4衬底制成，用于雷达高度计。建议的天线由一端宽度为2mm × 18mm的短段加载微带线和另一端宽度为1mm × 12mm的部分接地组成。尺寸为1mm × 12mm的短管的位置决定了频率的工作范围。通过改变其位置，甚至可以获得双波段操作。该天线工作频率为3.98 GHz至4.47 GHz，谐振频率为4.22 GHz。利用HFSS对该天线的设计参数和性能进行了研究。
Compact Microstrip Antenna for Radar Altimeter Applications
A compact rectangular microstrip antenna of size 18mm x 12mm x 1.6 mm from FR4 substrate for radar altimeter applications is suggested in this paper. The suggested antenna consists of a stub loaded microstrip line of width 2 mm x 18 mm on one side and partial ground of 1 mm x 12 mm on the other side of the substrate. The position of the stub of dimensions 1mm x 12 mm decides the range of frequency operation. Even a dual band of operation can be obtained by changing its position. This antenna has an operating frequency from 3.98 GHz to 4.47 GHz with a resonant frequency of 4.22 GHz. The design parameters and the performance of the suggested antenna are investigated by using HFSS.
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