ACCURATE VARIATIONAL ANALYSIS FOR MEASUREMENT OF COMPLEX DIELECTRIC CONSTANT OF THE SAMPLE ROD INSERTED IN A CAVITY

(整期优先)网络出版时间:1993-03-13
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ThispaperderivestheLindellformulabasedonthegeneralizedvariationalprinciple.ForthecomplexdielectricconstantmeasurementofasmalllossydielectricrodwithRayleigh-Ritzmethod,anaccuratevariationalanalysisisgiven.Theconceptofcomplexfrequencyisintroducedingeneral,andthestabilityofthesolutionisdiscussed.Comparingwiththeresultofperturbationmethod,itisconcludedthatthedeviationofperturbationalgorithmshouldbetakenintoconsideration.