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Analytical Modeling of Waveguide-fed Metasurfaces for Microwave Imaging and Beamforming

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자료유형	E-Book
개인저자	Pulido Mancera, Laura Maria.
단체저자명	Duke University. Electrical and Computer Engineering.
서명/저자사항	Analytical Modeling of Waveguide-fed Metasurfaces for Microwave Imaging and Beamforming.
발행사항	[S.l.] : Duke University., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	195 p.
소장본 주기	School code: 0066.
ISBN	9780355906080
일반주기	Source: Dissertation Abstracts International, Volume: 79-09(E), Section: B. Adviser: David R. Smith.
이용제한사항	This item is not available from ProQuest Dissertations & Theses.
요약	A waveguide-fed metasurface consists of an array of metamaterial elements excited by a guided mode. When the metamaterial elements are excited, they in turn leak out a portion of the energy traveling through the waveguide to free space. As such,
요약	Yet, the common approach to model and design such metasurfaces relies on effective surface properties, a methodology that is inspired by initial metamaterial designs. This methodology is only applicable to periodic arrangements of elements, and
요약	Throughout this document, the simulation tool will be referred to Dipole Model. In this framework, the total response of each dipole, representing a metamaterial element, depends on the mutual interaction between elements, as well as the perturb
요약	Once the capabilities of the dipole model are compared with full wave simulations of both traditional antenna designs as well as more elaborated waveguide-fed metasurfaces, I develop an analysis on the use of these metasurfaces for microwave ima
요약	The compact size and speed come with a trade-off: a computationally intensive optical inverse problem has to be solved, which has so far prohibited these antennas from enjoying widespread use. I address this problem by reformulating the problem
일반주제명	Electromagnetics.
언어	영어
기본자료 저록	Dissertation Abstracts International79-09B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14997114