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dc.contributor.authorKehn, Malcolm Ng Mouen_US
dc.date.accessioned2014-12-08T15:31:33Z-
dc.date.available2014-12-08T15:31:33Z-
dc.date.issued2013-05-01en_US
dc.identifier.issn0018-926Xen_US
dc.identifier.urihttp://dx.doi.org/10.1109/TAP.2013.2237742en_US
dc.identifier.urihttp://hdl.handle.net/11536/22373-
dc.description.abstractThe asymptotic corrugations boundary condition (ACBC) is used together with classical theory of vector potentials to analyze planar corrugations. A transcendental characteristic equation is derived, from which the dispersion diagram can be obtained, thereby conveying surface wave passband and stopband properties, even for propagation within oblique azimuth planes as well as both principal TE and TM polarizations. From the formulation, field distributions for the regions within the grooves and above the corrugations can also be generated. When compared with the dispersion graphs obtained from characteristic equations derived by the classical transverse resonance technique (TRT), the newly presented ACBC method provides superior accuracy. Explicit formulas for the complex reflection coefficient (amplitude and phase) for both TE and TM polarized plane-wave incidences are also derived as closed-form analytic functions of all parameters (especially the azimuth phi angle of incidence) using a novel concept of unusual transversely phased plane-waves. These proposed approaches are massively more efficient than full-wave solvers, providing unparalleled speedup of computation by thousands of times. The surface-wave and reflection properties of planar corrugations are thus herein analyzed in a unified, complete, and elegant manner that is also highly efficient but yet accurate. This thorough work is thus a great boost to the continued use of corrugated surfaces as artificial magnetic conductors (AMC), electromagnetic bandgap (EBG) structures, and soft/hard surfaces in all walks of antenna design, especially in terms of speed and accuracy.en_US
dc.language.isoen_USen_US
dc.subjectAsymptotic corrugations boundary condition (ACBC)en_US
dc.subjectcorrugationsen_US
dc.subjectdispersion diagramen_US
dc.subjectelectromagnetic bandgap (EBG) surfacesen_US
dc.titleRapid Surface-Wave Dispersion and Plane-Wave Reflection Analyses of Planar Corrugated Surfaces by Asymptotic Corrugations Boundary Conditions Even for Oblique Azimuth Planesen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TAP.2013.2237742en_US
dc.identifier.journalIEEE TRANSACTIONS ON ANTENNAS AND PROPAGATIONen_US
dc.citation.volume61en_US
dc.citation.issue5en_US
dc.citation.spage2695en_US
dc.citation.epage2707en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.identifier.wosnumberWOS:000319870700038-
dc.citation.woscount2-
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