Electromagnetic scattering from and transmission through arbitrary apertures in conducting bodies
The general 3-D aperture coupling problem is formulated in terms of an integral equation for the equivalent magnetic current in the aperture, which is numerically solved by the method of moments. The aperture is characterized by two aperture admittance matrices, one for the exterior region and the o...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 1990-11, Vol.38 (11), p.1805-1814 |
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| container_end_page | 1814 |
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| container_issue | 11 |
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| container_title | IEEE transactions on antennas and propagation |
| container_volume | 38 |
| creator | Wang, T. Harrington, R.F. Mautz, J.R. |
| description | The general 3-D aperture coupling problem is formulated in terms of an integral equation for the equivalent magnetic current in the aperture, which is numerically solved by the method of moments. The aperture is characterized by two aperture admittance matrices, one for the exterior region and the other for the interior region. These two admittance matrices are determined separately but in a similar manner if the pseudo-image method is used. Numerically workable expressions are developed for the two aperture admittance matrices by decomposing each of them into a half-space admittance matrix and a supplementary admittance matrix. The half-space admittance is relatively easy to compute and has been investigated in the literature. The supplementary admittance matrix is expressed in terms of the generalized impedance combining the existing numerical codes for an arbitrarily shaped scatterer and for an arbitrary aperture in a conducting plane, one can obtain a code which is especially designed for an arbitrary aperture in a conducting surface of arbitrary shape.< > |
| doi_str_mv | 10.1109/8.102743 |
| format | Article |
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The aperture is characterized by two aperture admittance matrices, one for the exterior region and the other for the interior region. These two admittance matrices are determined separately but in a similar manner if the pseudo-image method is used. Numerically workable expressions are developed for the two aperture admittance matrices by decomposing each of them into a half-space admittance matrix and a supplementary admittance matrix. The half-space admittance is relatively easy to compute and has been investigated in the literature. The supplementary admittance matrix is expressed in terms of the generalized impedance combining the existing numerical codes for an arbitrarily shaped scatterer and for an arbitrary aperture in a conducting plane, one can obtain a code which is especially designed for an arbitrary aperture in a conducting surface of arbitrary shape.< ></description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/8.102743</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Admittance ; Apertures ; Applied sciences ; Couplings ; Diffraction, scattering, reflection ; Electromagnetic scattering ; Exact sciences and technology ; Integral equations ; Magnetic separation ; Matrix decomposition ; Moment methods ; Radiocommunications ; Radiowave propagation ; Shape ; Surface impedance ; Telecommunications ; Telecommunications and information theory</subject><ispartof>IEEE transactions on antennas and propagation, 1990-11, Vol.38 (11), p.1805-1814</ispartof><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c336t-50efd08e911f494eec09fc28a063aaa2dae737b5449346d3fdd9968ef9d7ac73</citedby><cites>FETCH-LOGICAL-c336t-50efd08e911f494eec09fc28a063aaa2dae737b5449346d3fdd9968ef9d7ac73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/102743$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27929,27930,54763</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/102743$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19391194$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, T.</creatorcontrib><creatorcontrib>Harrington, R.F.</creatorcontrib><creatorcontrib>Mautz, J.R.</creatorcontrib><title>Electromagnetic scattering from and transmission through arbitrary apertures in conducting bodies</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>The general 3-D aperture coupling problem is formulated in terms of an integral equation for the equivalent magnetic current in the aperture, which is numerically solved by the method of moments. The aperture is characterized by two aperture admittance matrices, one for the exterior region and the other for the interior region. These two admittance matrices are determined separately but in a similar manner if the pseudo-image method is used. Numerically workable expressions are developed for the two aperture admittance matrices by decomposing each of them into a half-space admittance matrix and a supplementary admittance matrix. The half-space admittance is relatively easy to compute and has been investigated in the literature. The supplementary admittance matrix is expressed in terms of the generalized impedance combining the existing numerical codes for an arbitrarily shaped scatterer and for an arbitrary aperture in a conducting plane, one can obtain a code which is especially designed for an arbitrary aperture in a conducting surface of arbitrary shape.< ></description><subject>Admittance</subject><subject>Apertures</subject><subject>Applied sciences</subject><subject>Couplings</subject><subject>Diffraction, scattering, reflection</subject><subject>Electromagnetic scattering</subject><subject>Exact sciences and technology</subject><subject>Integral equations</subject><subject>Magnetic separation</subject><subject>Matrix decomposition</subject><subject>Moment methods</subject><subject>Radiocommunications</subject><subject>Radiowave propagation</subject><subject>Shape</subject><subject>Surface impedance</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNqFkL9PAyEUx4nRxFpNnJ1YNC5X4eDuYDRN_ZE0cengdqHwaDHXowI3-N9LvSa6OZEHn_d5vC9C15TMKCXyQcwoKRvOTtCEVpUoyrKkp2hCCBWFLOv3c3QR40cuueB8gtSiA52C36lND8lpHLVKCYLrN9jma6x6g1NQfdy5GJ3vcdoGP2y2WIW1yw_hC6s9hDQEiNj1WPveDDod-tfeOIiX6MyqLsLV8Zyi1dNiNX8plm_Pr_PHZaEZq1NREbCGCJCUWi45gCbS6lIoUjOlVGkUNKxZV5xLxmvDrDFS1gKsNI3SDZuiu1G7D_5zgJja_GENXad68ENsS8E4ERX7H6yaPJLzDN6PoA4-xgC23Qe3ywu3lLSHrFvRjlln9PboVDm_zua8tIu_vGR5LXlQ3oycA4A_uh_JNzR9iMM</recordid><startdate>19901101</startdate><enddate>19901101</enddate><creator>Wang, T.</creator><creator>Harrington, R.F.</creator><creator>Mautz, J.R.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SP</scope></search><sort><creationdate>19901101</creationdate><title>Electromagnetic scattering from and transmission through arbitrary apertures in conducting bodies</title><author>Wang, T. ; Harrington, R.F. ; Mautz, J.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c336t-50efd08e911f494eec09fc28a063aaa2dae737b5449346d3fdd9968ef9d7ac73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Admittance</topic><topic>Apertures</topic><topic>Applied sciences</topic><topic>Couplings</topic><topic>Diffraction, scattering, reflection</topic><topic>Electromagnetic scattering</topic><topic>Exact sciences and technology</topic><topic>Integral equations</topic><topic>Magnetic separation</topic><topic>Matrix decomposition</topic><topic>Moment methods</topic><topic>Radiocommunications</topic><topic>Radiowave propagation</topic><topic>Shape</topic><topic>Surface impedance</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, T.</creatorcontrib><creatorcontrib>Harrington, R.F.</creatorcontrib><creatorcontrib>Mautz, J.R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wang, T.</au><au>Harrington, R.F.</au><au>Mautz, J.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electromagnetic scattering from and transmission through arbitrary apertures in conducting bodies</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>1990-11-01</date><risdate>1990</risdate><volume>38</volume><issue>11</issue><spage>1805</spage><epage>1814</epage><pages>1805-1814</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>The general 3-D aperture coupling problem is formulated in terms of an integral equation for the equivalent magnetic current in the aperture, which is numerically solved by the method of moments. The aperture is characterized by two aperture admittance matrices, one for the exterior region and the other for the interior region. These two admittance matrices are determined separately but in a similar manner if the pseudo-image method is used. Numerically workable expressions are developed for the two aperture admittance matrices by decomposing each of them into a half-space admittance matrix and a supplementary admittance matrix. The half-space admittance is relatively easy to compute and has been investigated in the literature. The supplementary admittance matrix is expressed in terms of the generalized impedance combining the existing numerical codes for an arbitrarily shaped scatterer and for an arbitrary aperture in a conducting plane, one can obtain a code which is especially designed for an arbitrary aperture in a conducting surface of arbitrary shape.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/8.102743</doi><tpages>10</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Admittance Apertures Applied sciences Couplings Diffraction, scattering, reflection Electromagnetic scattering Exact sciences and technology Integral equations Magnetic separation Matrix decomposition Moment methods Radiocommunications Radiowave propagation Shape Surface impedance Telecommunications Telecommunications and information theory |
| title | Electromagnetic scattering from and transmission through arbitrary apertures in conducting bodies |
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