缝隙加载法移动漏波天线的定频波束扫描范围

2014 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2014-09-22 DOI:10.1109/APWC.2014.6905576

D. Karmokar, K. Esselle, S. Hay

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引用次数: 8

摘要

提出了一种用于固定频率波束扫描的载槽半宽微带漏波天线。设计中采用数字开关控制固定频率下的波束方向。动态改变开关的“开”和“关”状态，以离散步骤操纵天线的主波束。在微带线中增加狭缝导致扫描范围从宽频侧偏移。演示了天线在选定频率下的操作。这项研究证明了在6.5 GHz时能够将主波束从23°转向60°，在7 GHz时可以将主波束从46°转向70°。

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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Shifting the fixed-frequency beam scanning range of a leaky-wave antenna by slot loading

This paper presents a slot-loaded half-width microstrip leaky-wave antenna (MLWA) for fixed-frequency beam scanning. Digital switches are used in the design for controlling the beam direction at a fixed-frequency. Dynamically changing the `On' and `Off' states of the switches, the main beam of the antenna is steered in discrete steps. Addition of slots in the microstrip line results in shifting of the scanning range away from broadside. Operation of the antenna is demonstrated for selected frequencies. This research demonstrates the ability to steer the main beam from 23° to 60° at 6.5 GHz and 46° to 70° at 7 GHz, in discrete steps.

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2014 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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