GPS宽带微带天线阵列采用紧凑型希夫曼移相器

2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference Pub Date : 2010-07-05 DOI:10.1109/ANTEM.2010.5552509

S. Raut, A. Petosa

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引用次数: 2

摘要

介绍了一种用于全球定位系统(GPS)的微带天线的设计。该天线设计采用了一个2×2-element圆极化阵列，支撑在多层基板结构上。介绍了一种紧凑型希夫曼移相器的设计概念。在馈电设计中采用新的移相器可以显著减少微带阵列的总表面积。该设计在不影响整体天线性能的情况下实现了极低的轴比。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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GPS wideband microstrip antenna array featuring compact Schiffman phase shifters

A design for microstrip antenna for Global Positioning System (GPS) applications is presented in this paper. The antenna design utilizes a 2×2-element circularly polarized array supported on a multi-layer substrate architecture. A design concept for a compact version of Schiffman phase shifter is also introduced. Implementation of the new phase shifters within the feed design significantly reduces the overall surface area of the microstrip array. The design achieves an exceptionally low axial ratio without compromising overall antenna performance.

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2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference

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