期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 7, 期 -, 页码 217-220出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2008.921635
关键词
antenna theory; electrically small antennas; metamaterials; parasitics; quality factors
资金
- DARPA [HR0011-05-C-0068]
An electrically small electric-based metamaterial-inspired antenna that is designed for narrow bandwidth operations in the VHF and UHF bands is presented. It is demonstrated that the idealized lossless versions have overall efficiencies at 100% without any external matching circuits and quality factors approaching the Chu limit. When conductor losses are introduced, the overall efficiencies remain high.
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