标签: cavity
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gaalasgaasmicromachinedthermallytunableverticalcavityfilterwithlowtuningvoltagewherevariableexcitationoftheprincipalstatesofpolarisationisneglected).ItisinterestingtoevaluatethemeanoutagerateR,,,,i.e.meannumberofoutageeventsperunittime,andthemeanoutagei.e.meandurationofanoutageevent.durationTo,,,,Thecalculationofthemeanoutagerateisasimpleapplicationofthe‘levelcrossing’problem[7]andcanbeperformedbythefollowingintegralevaluatedforAT=tmnr:Mtionthat,asfaraswehow,hasneverbeencalculateduntilnowforaburiedcable.Conclusions:RepeatedPMDmeasurementsonaburiedopticalcablehavebeenperformedandfullstatisticalanalysisofthemeasuredDGDspectraagainsttimeleadtotwoimportantconclusions.First,DGDspectrameasuredat24hintervalspresentstrongcorrelations.While……
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Cross-couplingincoaxialcavityfilters-atutorialoverview1368IEEETRANSACTIONSONMICROWAVETHEORYANDTECHNIQUES,VOL.51,NO.4,APRIL2003Cross-CouplinginCoaxialCavityFilters―ATutorialOverviewJ.BrianThomas,Member,IEEEAbstract―Thispaperpresentsatutorialoverviewoftheuseofcouplingbetweennonadjacentresonatorstoproducetransmissionzerosatrealfrequenciesinmicrowavefilters.Multipathcouplingdiagramsareconstructedandtherelativephaseshiftsofmultiplepathsareobservedtoproducetheknownresponsesofthecascadedtripletandquadrupletsections.Thesametechniqueisalsousedtoexplorelesscommonnestedcross-couplingstructuresandtopredicttheirbehavior.Adiscussionoftheeffectsofnonzeroelectricallengthcouplingelementsispresented.Finally,abriefcategorizationofthevarioussynthe……
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Advancedmultimodecavityfilter……
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Cross-couplingincoaxialcavityfilters-atutorialoverview1368IEEETRANSACTIONSONMICROWAVETHEORYANDTECHNIQUES,VOL.51,NO.4,APRIL2003Cross-CouplinginCoaxialCavityFilters―ATutorialOverviewJ.BrianThomas,Member,IEEEAbstract―Thispaperpresentsatutorialoverviewoftheuseofcouplingbetweennonadjacentresonatorstoproducetransmissionzerosatrealfrequenciesinmicrowavefilters.Multipathcouplingdiagramsareconstructedandtherelativephaseshiftsofmultiplepathsareobservedtoproducetheknownresponsesofthecascadedtripletandquadrupletsections.Thesametechniqueisalsousedtoexplorelesscommonnestedcross-couplingstructuresandtopredicttheirbehavior.Adiscussionoftheeffectsofnonzeroelectricallengthcouplingelementsispresented.Finally,abriefcategorizationofthevarioussynthe……
