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Article: Resonance of nonaxial symmetric modes in circular microstrip disk antenna

TitleResonance of nonaxial symmetric modes in circular microstrip disk antenna
Authors
Issue Date1979
PublisherAmerican Institute of Physics. The Journal's web site is located at http://ojps.aip.org/jmp/
Citation
Journal Of Mathematical Physics, 1979, v. 21 n. 10, p. 2590-2598 How to Cite?
AbstractResonant frequencies of the nonaxial symmetric modes in a microstrip disk are computed using two approaches: Galerkin's method and a perturbative approach. The perturbative approach is good when the substrate of the microstrip disk is thin compared to its radius and when the dielectric constant of the substrate is high. Galerkin's method can be used to compute the resonant frequency to high accuracy but the perturbative approach is more efficient for thin substrate and large dielectric constant. In applying Galerkin's method, the problem is first cast into a vector dual integral equation using vector Hankel transform (VHT). Using VHT, it is also shown that the magnetic-wall model is only good when the substrate is of zero thickness. Using zero-order current distribution on the disk, we also derive the radiation field and radiation pattern. Also, by taking into account the radiation loss, the resonant frequencies are complex. We find discrepancies when we compare our results for the resonant frequency shifts with that obtained by quasistatic approach. © 1980 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/182436
ISSN
2015 Impact Factor: 1.234
2015 SCImago Journal Rankings: 0.767

 

DC FieldValueLanguage
dc.contributor.authorChew, WCen_US
dc.contributor.authorKong, JAen_US
dc.date.accessioned2013-05-02T05:15:20Z-
dc.date.available2013-05-02T05:15:20Z-
dc.date.issued1979en_US
dc.identifier.citationJournal Of Mathematical Physics, 1979, v. 21 n. 10, p. 2590-2598en_US
dc.identifier.issn0022-2488en_US
dc.identifier.urihttp://hdl.handle.net/10722/182436-
dc.description.abstractResonant frequencies of the nonaxial symmetric modes in a microstrip disk are computed using two approaches: Galerkin's method and a perturbative approach. The perturbative approach is good when the substrate of the microstrip disk is thin compared to its radius and when the dielectric constant of the substrate is high. Galerkin's method can be used to compute the resonant frequency to high accuracy but the perturbative approach is more efficient for thin substrate and large dielectric constant. In applying Galerkin's method, the problem is first cast into a vector dual integral equation using vector Hankel transform (VHT). Using VHT, it is also shown that the magnetic-wall model is only good when the substrate is of zero thickness. Using zero-order current distribution on the disk, we also derive the radiation field and radiation pattern. Also, by taking into account the radiation loss, the resonant frequencies are complex. We find discrepancies when we compare our results for the resonant frequency shifts with that obtained by quasistatic approach. © 1980 American Institute of Physics.en_US
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://ojps.aip.org/jmp/en_US
dc.relation.ispartofJournal of Mathematical Physicsen_US
dc.titleResonance of nonaxial symmetric modes in circular microstrip disk antennaen_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0000524054en_US
dc.identifier.volume21en_US
dc.identifier.issue10en_US
dc.identifier.spage2590en_US
dc.identifier.epage2598en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US
dc.identifier.scopusauthoridKong, JA=7202290923en_US

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