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학술지 A Low-Cost Method to Evaluate Absorber Reflectivity Using an Antenna with a Small Radiating Aperture and Frequency-Domain Instrument
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저자
오순수, 이영환
발행일
201312
출처
ETRI Journal, v.35 no.6, pp.1148-1151
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.13.0213.0314
협약과제
13PI1900, 이동 무선백홀 기반 고속 그룹이동체 모바일 핫스팟(MHN)네트워크 기술개발, 김일규
초록
We propose a way to measure the absorber reflectivity at a low cost. Only one simple antenna with a small radiating aperture and a frequency-domain instrument are utilized. The previously used equation for calculating the reflectivity of an absorber is inaccurate, and, therefore, a new equation isderived based on multiple reflection analysis and three test models. Notably, the reflection coefficient of the antenna is included in the derived equation. The accuracy of the proposed method is proven through simulation and measurements. It can be easily applied to a product examination by absorber manufacturers and customers owing to its advantages of simplicity, cost effectiveness, and non-cutting examination. © 2013 ETRI.
키워드
Absorber, Anechoic chamber, Antenna measurement, Multiple reflection analysis, Reflectivity
KSP 제안 키워드
Anechoic Chamber, Antenna Measurements, Cost-effectiveness, Low-cost method, Multiple reflection, Reflection Coefficient, frequency domain(FD), radiating aperture