Hybrid finite-element-modal-expansion method for matched magic T-junction
This paper presents a hybrid finite-element-modal-expansion (FE-ME) method for the rigorous analysis and design of a matched magic T-junction. The electromagnetic fields in the standard waveguide port arms are expanded into the summation of their modal functions. The junction region involving tuning...
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| Veröffentlicht in: | IEEE transactions on magnetics 2002-03, Vol.38 (2), p.385-388 |
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| container_title | IEEE transactions on magnetics |
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| creator | Shen, Zhongxiang Law, Choi Look Qian, Cheng |
| description | This paper presents a hybrid finite-element-modal-expansion (FE-ME) method for the rigorous analysis and design of a matched magic T-junction. The electromagnetic fields in the standard waveguide port arms are expanded into the summation of their modal functions. The junction region involving tuning irregularities is discretized by the finite-element method. These two methods are then combined to enforce the boundary condition that tangential electric and magnetic field components must be continuous along the port surfaces. This hybrid technique is computationally efficient and can analyze the standard magic T-junction with tuning elements. Numerical results for a standard magic T agree well with available data in the literature and the measured results for a matched magic T-junction are presented. |
| doi_str_mv | 10.1109/20.996103 |
| format | Article |
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The electromagnetic fields in the standard waveguide port arms are expanded into the summation of their modal functions. The junction region involving tuning irregularities is discretized by the finite-element method. These two methods are then combined to enforce the boundary condition that tangential electric and magnetic field components must be continuous along the port surfaces. This hybrid technique is computationally efficient and can analyze the standard magic T-junction with tuning elements. Numerical results for a standard magic T agree well with available data in the literature and the measured results for a matched magic T-junction are presented.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/20.996103</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied classical electromagnetism ; Arm ; Boundary conditions ; Computational efficiency ; Electromagnetic fields ; Electromagnetic waveguides ; Electromagnetism; electron and ion optics ; Exact sciences and technology ; Finite element methods ; Frequency ; Fundamental areas of phenomenology (including applications) ; Magnetic field measurement ; Magnetic fields ; Magnetism ; Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems ; Mathematical analysis ; Mathematical models ; Measurement standards ; Mode matching methods ; Physics ; Ports ; Tuning ; Wideband</subject><ispartof>IEEE transactions on magnetics, 2002-03, Vol.38 (2), p.385-388</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2002</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-3c6580a5274c78846c7af6f3d64479065cd04dc2bc8714dc11923d19901d23443</citedby><cites>FETCH-LOGICAL-c398t-3c6580a5274c78846c7af6f3d64479065cd04dc2bc8714dc11923d19901d23443</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/996103$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,792,23909,23910,25118,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/996103$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13716882$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Shen, Zhongxiang</creatorcontrib><creatorcontrib>Law, Choi Look</creatorcontrib><creatorcontrib>Qian, Cheng</creatorcontrib><title>Hybrid finite-element-modal-expansion method for matched magic T-junction</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>This paper presents a hybrid finite-element-modal-expansion (FE-ME) method for the rigorous analysis and design of a matched magic T-junction. The electromagnetic fields in the standard waveguide port arms are expanded into the summation of their modal functions. The junction region involving tuning irregularities is discretized by the finite-element method. These two methods are then combined to enforce the boundary condition that tangential electric and magnetic field components must be continuous along the port surfaces. This hybrid technique is computationally efficient and can analyze the standard magic T-junction with tuning elements. Numerical results for a standard magic T agree well with available data in the literature and the measured results for a matched magic T-junction are presented.</description><subject>Applied classical electromagnetism</subject><subject>Arm</subject><subject>Boundary conditions</subject><subject>Computational efficiency</subject><subject>Electromagnetic fields</subject><subject>Electromagnetic waveguides</subject><subject>Electromagnetism; electron and ion optics</subject><subject>Exact sciences and technology</subject><subject>Finite element methods</subject><subject>Frequency</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Magnetic field measurement</subject><subject>Magnetic fields</subject><subject>Magnetism</subject><subject>Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Measurement standards</subject><subject>Mode matching methods</subject><subject>Physics</subject><subject>Ports</subject><subject>Tuning</subject><subject>Wideband</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0UtLAzEQB_AgCtbHwaunIih6iM4k2TyOIj4KBS96XmI2a1P2UZMt2G9vSouCBz1NQn75h8kQcoJwjQjmhsG1MRKB75ARGoEUQJpdMgJATY2QYp8cpDTPW1EgjMjkafUWQzWuQxcGT33jW98NtO0r21D_ubBdCn03bv0w67Pq47i1g5v5Ktf34MYvdL7s3JDNEdmrbZP88bYekteH-5e7Jzp9fpzc3U6p40YPlDtZaLAFU8IprYV0ytay5pUUQhmQhatAVI69Oa0wLxAN4xUaA1gxLgQ_JBeb3EXsP5Y-DWUbkvNNYzvfL1PJNC9UAfp_qPIHKQEZXv4JUSrkoAwzmZ79ovN-Gbvcb5l7KZgp5Prhqw1ysU8p-rpcxNDauCoRyvWUSgblZkrZnm8DbXK2qaPtXEg_F7hCqTXL7nTjgvf--3gb8gUUHpaC</recordid><startdate>20020301</startdate><enddate>20020301</enddate><creator>Shen, Zhongxiang</creator><creator>Law, Choi Look</creator><creator>Qian, Cheng</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20020301</creationdate><title>Hybrid finite-element-modal-expansion method for matched magic T-junction</title><author>Shen, Zhongxiang ; Law, Choi Look ; Qian, Cheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-3c6580a5274c78846c7af6f3d64479065cd04dc2bc8714dc11923d19901d23443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Applied classical electromagnetism</topic><topic>Arm</topic><topic>Boundary conditions</topic><topic>Computational efficiency</topic><topic>Electromagnetic fields</topic><topic>Electromagnetic waveguides</topic><topic>Electromagnetism; electron and ion optics</topic><topic>Exact sciences and technology</topic><topic>Finite element methods</topic><topic>Frequency</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Magnetic field measurement</topic><topic>Magnetic fields</topic><topic>Magnetism</topic><topic>Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Measurement standards</topic><topic>Mode matching methods</topic><topic>Physics</topic><topic>Ports</topic><topic>Tuning</topic><topic>Wideband</topic><toplevel>online_resources</toplevel><creatorcontrib>Shen, Zhongxiang</creatorcontrib><creatorcontrib>Law, Choi Look</creatorcontrib><creatorcontrib>Qian, Cheng</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Shen, Zhongxiang</au><au>Law, Choi Look</au><au>Qian, Cheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hybrid finite-element-modal-expansion method for matched magic T-junction</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2002-03-01</date><risdate>2002</risdate><volume>38</volume><issue>2</issue><spage>385</spage><epage>388</epage><pages>385-388</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>This paper presents a hybrid finite-element-modal-expansion (FE-ME) method for the rigorous analysis and design of a matched magic T-junction. The electromagnetic fields in the standard waveguide port arms are expanded into the summation of their modal functions. The junction region involving tuning irregularities is discretized by the finite-element method. These two methods are then combined to enforce the boundary condition that tangential electric and magnetic field components must be continuous along the port surfaces. This hybrid technique is computationally efficient and can analyze the standard magic T-junction with tuning elements. Numerical results for a standard magic T agree well with available data in the literature and the measured results for a matched magic T-junction are presented.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.996103</doi><tpages>4</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 2002-03, Vol.38 (2), p.385-388 |
| issn | 0018-9464 1941-0069 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied classical electromagnetism Arm Boundary conditions Computational efficiency Electromagnetic fields Electromagnetic waveguides Electromagnetism electron and ion optics Exact sciences and technology Finite element methods Frequency Fundamental areas of phenomenology (including applications) Magnetic field measurement Magnetic fields Magnetism Magnetostatics magnetic shielding, magnetic induction, boundary-value problems Mathematical analysis Mathematical models Measurement standards Mode matching methods Physics Ports Tuning Wideband |
| title | Hybrid finite-element-modal-expansion method for matched magic T-junction |
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