標題: A beam-forming technique for leaky-wave antennas
作者: Chen, IY
Wang, CJ
Liu, SJ
Jou, CF
傳播研究所
Institute of Communication Studies
關鍵字: leaky-wave antennas;switched-beam antennas;beam steering
公開日期: 20-Jan-2001
摘要: A beam-forming technique for leaky-wave antennas (LWAs) which can switch electronically in three different radiation patterns is developed in this letter. A simple two-terminal feeding microstrip-line LWA works as a radiating element. By varying the phase of the two injection signals from 0 to 180 degrees, the emitting power from the LWA can produce three different radiation modes: the normal mode (one sharp beam), the difference mode (Delta), and the sum mode (Sigma). The antenna displays large-bandwidth characteristics, and can be useful near crossroads for collision avoidance or in the radio location of vehicles. (C) 2001 John Wiley & Sons, Inc.
URI: http://hdl.handle.net/11536/29896
http://dx.doi.org/10.1002/1098-2760(20010120)28:2<108
ISSN: 0895-2477
DOI: 10.1002/1098-2760(20010120)28:2<108
期刊: MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Volume: 28
Issue: 2
起始頁: 108
結束頁: 110
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