完整後設資料紀錄
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dc.contributor.authorLiao, Ching-Kuen_US
dc.contributor.authorChang, Chi-Yangen_US
dc.contributor.authorLin, Jenshanen_US
dc.date.accessioned2014-12-08T15:14:24Z-
dc.date.available2014-12-08T15:14:24Z-
dc.date.issued2007-04-01en_US
dc.identifier.issn1531-1309en_US
dc.identifier.urihttp://dx.doi.org/10.1109/LMWC.2007.892970en_US
dc.identifier.urihttp://hdl.handle.net/11536/10982-
dc.description.abstractIn this letter, a formulation based on the vector fitting is applied to extract the equivalent circuit model from the frequency response of lossy cross-coupled microwave filters. By approximating the lossy response with short-circuit admittance parameters in partial fractional expansion form, the proposed method can evaluate the unloaded quality factor of resonators and extract the transversal coupling matrix simultaneously. The methodology of the vector fitting can identify the poles and residues of the short-circuit admittance parameters even when the poles are on the complex plane. And the extracted transversal coupling matrix can further transform into the prescribed form corresponding to the physical layout. The proposed method can be used in the tuning process of filter designs where the extraction of a coupling matrix is essential. To verify the method, a cross-coupled quadruplet filter is used as an example.en_US
dc.language.isoen_USen_US
dc.subjectbandpass filter (BPF)en_US
dc.subjectcoupling matrixen_US
dc.subjectvector fittingen_US
dc.titleA vector-fitting formulation for parameter extraction of lossy microwave filtersen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/LMWC.2007.892970en_US
dc.identifier.journalIEEE MICROWAVE AND WIRELESS COMPONENTS LETTERSen_US
dc.citation.volume17en_US
dc.citation.issue4en_US
dc.citation.spage277en_US
dc.citation.epage279en_US
dc.contributor.department電信工程研究所zh_TW
dc.contributor.departmentInstitute of Communications Engineeringen_US
dc.identifier.wosnumberWOS:000245566000013-
dc.citation.woscount9-
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