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학술지 Development of a Smart-skin Phased Array System with a Honeycomb Sandwich microstrip Antenna
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저자
손성호, 엄순영, 황운봉
발행일
200804
출처
Smart Materials and Structures, v.17 no.3, pp.1-9
ISSN
0964-1726
출판사
Institute of Physics (IOP)
DOI
https://dx.doi.org/10.1088/0964-1726/17/3/035012
협약과제
08MR3200, 지능형 안테나 기술개발, 전순익
초록
We develop a smart-skin phased array antenna (PAA) with a scanning beam and cover the design, fabrication and testing of the smart-skin antenna structure, the phase shifter and electronic beam scanning. The smart skin is an organic honeycomb sandwich structure in which microstrip antennas are embedded that radiate a radio-frequency (RF) signal. The structure has excellent structural performance as a result of sandwich effects by facesheets and a honeycomb core. For ease of array feeding, the antenna element is excited by means of a coaxial probe. Astacked patch is used in order to increase the bandwidth. Electronic beam scanning is accomplished with a 4-bit digital phase shifter. The PAA design is processed at a center frequency of 7.5GHz, a bandwidth exceeding 500MHz, linear polarization and a scanning range of 45째. Performance is confirmed from experimental measurements made on a fabricated test model. © 2008 IOP Publishing Ltd.
KSP 제안 키워드
Beam Scanning, Center frequency, Coaxial probe, Digital phase shifter, Electronic beam, Experimental measurements, Honeycomb core, Honeycomb sandwich structure, Linear polarization, Radio Frequency(RF), Smart skin