Slot-array antennas fed by coplanar waveguide for millimeter-wave radiation

被引：25

作者：

Kobayashi, H ^{[1
]}

Yasuoka, Y ^{[1
]}

机构：

[1] Natl Def Acad, Dept Elect Engn, Yokosuka, Kanagawa 2398686, Japan

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1998年 / 46卷 / 06期

关键词：

array antenna; coplanar waveguide; millimeter wave; slot antenna; submillimeter wave; thin-film antenna;

D O I：

10.1109/22.681203

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 [电气工程]; 0809 [电子科学与技术];

摘要：

Slot-array antennas with parasitic slots, slot-array antennas fed by coplanar waveguide (CPW), and two-dimensional slot-array antennas fed by CPW were fabricated on fused quartz substrates, and the receiving properties of the antennas were investigated at 94 GHz with the goal of increasing the power gain of the slot antennas. It was found that the power gain of the slot antenna could be increased by 11 dB over a single-slot antenna by using a two-dimensional (8 x 3) slot-array antenna fed by CPW. It was confirmed that the improvement of the power gain was caused by decreasing surface-wave power in the substrate and by sharpening antenna patterns perpendicular to the substrate.

引用

页码：800 / 805

页数：6

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