Analysis of periodic shielded microstrip lines excited by nonperiodic sources through the array scanning method
作者： G. Valerio , P. Baccarelli , P. Burghignoli , A. Galli , R. Rodríguez-Berral
DOI: 10.1029/2007RS003697
关键词: Plane (geometry) 、 Shielded cable 、 Field (physics) 、 Mathematics 、 Excitation 、 Voltage source 、 Microstrip 、 Optics 、 Excited state 、 Computational physics 、 Superposition principle
摘要: [1] In this paper we aim at rigorously studying the practical excitation of a shielded microstrip line periodically perturbed by gaps. In particular delta-gap voltage source is considered in an environment lateral and top metallic walls. The problem solved through numerical implementation array scanning method, which field excited nonperiodic periodic represented as integral superposition fields, are solutions suitable auxiliary Floquet-periodic problems. To solve latter, spectral-domain method-of-moments approach has been adopted, introducing original acceleration techniques to enhance efficiency accuracy method. performance illustrated fully validated. Results presented both for dispersive properties Bloch modes supported structure absence currents on single source, also discussing modal representation such terms Green's function singularities spectral plane longitudinal wavenumber.
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