Plate-laminated Waveguide Slot Array Antennas for Wideband and High-gain Operations

被引：0
|
作者：
Hirokawa, Jiro [1 ]
Tomura, Takashi [1 ]
Zhang, Miao [1 ]
Ando, Makoto [1 ]
机构：
[1] Tokyo Inst Technol, Tokyo 1528552, Japan
来源：
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) | 2014年
关键词：
D O I：
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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：
This paper presents plate-laminated waveguide slot array antennas for wideband and high-gain operations. Fig. 1 shows the structure. A corporate feed circuit is placed on the bottom layer. A coupling slot at each end in the corporate feed circuit excites 2x2 exciting slots in an x-shaped cavity. Each of the exciting slots excites a radiating slot pair in a radiating cavity. All the radiating slot pairs are basically excited in equal amplitude and phase at any frequency. The radiating slot pair consists of two narrow slots to suppress the cross polarization. The antenna will be installed by rotating by 45 degrees as shown in Fig. 1 to suppress sidelobes in the horizontal (E) and vertical (H) planes in fixed wireless access system.
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