A Fast Frequency Sweep – Green’s Function Based Analysis of Substrate Integrated Waveguide
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In this paper, a fast frequency sweep technique is applied to the analysis of Substrate Integrated Waveguides performed with a Green’s function technique. The well-known Asymptotic Waveform Evaluation technique is used to extract the Padè approximation of the frequency response of Substrate Integrated Waveguides devices. The analysis is extended to a large frequency range by adopting the Complex Frequency Hopping algorithm. It is shown that, with this technique, CPU time can be reduced of almost one order of magnitude with respect to a point by point computation.
KeywordsGreen's function methods, Substrate integrated waveguide, SIW, Asymptotic Waveform Evaluation, AWE, Complex Frequency Hopping, CFH.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2012, vol. 21, č. 4, s. 1025-1030. ISSN 1210-2512
- 2012/4