Lower Bounds on the Q of Electrically Small Dipole Antennas
General expressions are obtained for the lower bounds on the quality factor (Q) of electrically small electric- and magnetic-dipole antennas confined to an arbitrarily shaped volume V and excited by general sources or by global electric-current sources alone. The lower-bound expressions depend only...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2010-10, Vol.58 (10), p.3114-3121 |
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| container_end_page | 3121 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Yaghjian, A D Stuart, H R |
| description | General expressions are obtained for the lower bounds on the quality factor (Q) of electrically small electric- and magnetic-dipole antennas confined to an arbitrarily shaped volume V and excited by general sources or by global electric-current sources alone. The lower-bound expressions depend only on the direction of the dipole moment with respect to V , the electrical size of V , and the static electric and magnetic polarizabilities per unit volume of hypothetical perfectly electrically conducting and perfectly magnetically conducting volumes V . The lower bounds are obtained directly from the electromagnetic field expressions for Q with the help of current equivalence principles and the uncoupling of Maxwell's equations for electrically small volumes into quasi-electrostatic and quasi-magnetostatic fields. |
| doi_str_mv | 10.1109/TAP.2010.2055790 |
| format | Article |
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The lower-bound expressions depend only on the direction of the dipole moment with respect to V , the electrical size of V , and the static electric and magnetic polarizabilities per unit volume of hypothetical perfectly electrically conducting and perfectly magnetically conducting volumes V . The lower bounds are obtained directly from the electromagnetic field expressions for Q with the help of current equivalence principles and the uncoupling of Maxwell's equations for electrically small volumes into quasi-electrostatic and quasi-magnetostatic fields.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2010.2055790</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Absorption ; Antenna feeds ; Antenna theory ; Antennas ; Applied classical electromagnetism ; Applied sciences ; Conduction ; Dipole antennas ; Dipole moment ; Electromagnetic fields ; Electromagnetic wave propagation, radiowave propagation ; Electromagnetism; electron and ion optics ; Electrostatics. Poisson and laplace equations, boundary-value problems ; equivalence principle ; Exact sciences and technology ; Excitation ; Fundamental areas of phenomenology (including applications) ; Lower bounds ; Magnetic confinement ; Magnetic moments ; Magnetic separation ; Magnetostatics ; Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems ; Maxwell's equations ; Physics ; Q factor ; Quality factor ; Radiocommunications ; Scattering ; Telecommunications ; Telecommunications and information theory</subject><ispartof>IEEE transactions on antennas and propagation, 2010-10, Vol.58 (10), p.3114-3121</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Oct 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-9f9763d7fd74c6d728466e35865d52f203bcff5b8530ee97d5dc9d464889b72b3</citedby><cites>FETCH-LOGICAL-c419t-9f9763d7fd74c6d728466e35865d52f203bcff5b8530ee97d5dc9d464889b72b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5512618$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5512618$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23310035$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yaghjian, A D</creatorcontrib><creatorcontrib>Stuart, H R</creatorcontrib><title>Lower Bounds on the Q of Electrically Small Dipole Antennas</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>General expressions are obtained for the lower bounds on the quality factor (Q) of electrically small electric- and magnetic-dipole antennas confined to an arbitrarily shaped volume V and excited by general sources or by global electric-current sources alone. The lower-bound expressions depend only on the direction of the dipole moment with respect to V , the electrical size of V , and the static electric and magnetic polarizabilities per unit volume of hypothetical perfectly electrically conducting and perfectly magnetically conducting volumes V . The lower bounds are obtained directly from the electromagnetic field expressions for Q with the help of current equivalence principles and the uncoupling of Maxwell's equations for electrically small volumes into quasi-electrostatic and quasi-magnetostatic fields.</description><subject>Absorption</subject><subject>Antenna feeds</subject><subject>Antenna theory</subject><subject>Antennas</subject><subject>Applied classical electromagnetism</subject><subject>Applied sciences</subject><subject>Conduction</subject><subject>Dipole antennas</subject><subject>Dipole moment</subject><subject>Electromagnetic fields</subject><subject>Electromagnetic wave propagation, radiowave propagation</subject><subject>Electromagnetism; electron and ion optics</subject><subject>Electrostatics. Poisson and laplace equations, boundary-value problems</subject><subject>equivalence principle</subject><subject>Exact sciences and technology</subject><subject>Excitation</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Lower bounds</subject><subject>Magnetic confinement</subject><subject>Magnetic moments</subject><subject>Magnetic separation</subject><subject>Magnetostatics</subject><subject>Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems</subject><subject>Maxwell's equations</subject><subject>Physics</subject><subject>Q factor</subject><subject>Quality factor</subject><subject>Radiocommunications</subject><subject>Scattering</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>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkEtLAzEURoMoWKt7wU1AxNXUvB-4qrU-oKBiBXdhmklwynRSkxmk_96UFheuPi733I_LAeAcoxHGSN_Mx68jgvJEEOdSowMwwJyrghCCD8EAIawKTcTnMThJaZlHphgbgNtZ-HER3oW-rRIMLey-HHyDwcNp42wXa1s2zQa-r3LA-3odGgfHbefatkyn4MiXTXJn-xyCj4fpfPJUzF4enyfjWWEZ1l2hvZaCVtJXkllRSaKYEI5yJXjFiSeILqz3fKE4Rc5pWfHK6ooJppReSLKgQ3C9613H8N271JlVnaxrmrJ1oU9GUYy5RIxl8vIfuQx9bPNzBiOKMFFI0kyhHWVjSCk6b9axXpVxkyGzlWmyTLOVafYy88nVvrhM2YiPZWvr9HdHKMUIUZ65ix1XO-f-1pxjIrCivw9JeiM</recordid><startdate>20101001</startdate><enddate>20101001</enddate><creator>Yaghjian, A D</creator><creator>Stuart, H R</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20101001</creationdate><title>Lower Bounds on the Q of Electrically Small Dipole Antennas</title><author>Yaghjian, A D ; Stuart, H R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-9f9763d7fd74c6d728466e35865d52f203bcff5b8530ee97d5dc9d464889b72b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Absorption</topic><topic>Antenna feeds</topic><topic>Antenna theory</topic><topic>Antennas</topic><topic>Applied classical electromagnetism</topic><topic>Applied sciences</topic><topic>Conduction</topic><topic>Dipole antennas</topic><topic>Dipole moment</topic><topic>Electromagnetic fields</topic><topic>Electromagnetic wave propagation, radiowave propagation</topic><topic>Electromagnetism; electron and ion optics</topic><topic>Electrostatics. Poisson and laplace equations, boundary-value problems</topic><topic>equivalence principle</topic><topic>Exact sciences and technology</topic><topic>Excitation</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Lower bounds</topic><topic>Magnetic confinement</topic><topic>Magnetic moments</topic><topic>Magnetic separation</topic><topic>Magnetostatics</topic><topic>Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems</topic><topic>Maxwell's equations</topic><topic>Physics</topic><topic>Q factor</topic><topic>Quality factor</topic><topic>Radiocommunications</topic><topic>Scattering</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yaghjian, A D</creatorcontrib><creatorcontrib>Stuart, H R</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><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>Technology 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 antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yaghjian, A D</au><au>Stuart, H R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lower Bounds on the Q of Electrically Small Dipole Antennas</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2010-10-01</date><risdate>2010</risdate><volume>58</volume><issue>10</issue><spage>3114</spage><epage>3121</epage><pages>3114-3121</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>General expressions are obtained for the lower bounds on the quality factor (Q) of electrically small electric- and magnetic-dipole antennas confined to an arbitrarily shaped volume V and excited by general sources or by global electric-current sources alone. The lower-bound expressions depend only on the direction of the dipole moment with respect to V , the electrical size of V , and the static electric and magnetic polarizabilities per unit volume of hypothetical perfectly electrically conducting and perfectly magnetically conducting volumes V . The lower bounds are obtained directly from the electromagnetic field expressions for Q with the help of current equivalence principles and the uncoupling of Maxwell's equations for electrically small volumes into quasi-electrostatic and quasi-magnetostatic fields.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TAP.2010.2055790</doi><tpages>8</tpages></addata></record> |
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| ispartof | IEEE transactions on antennas and propagation, 2010-10, Vol.58 (10), p.3114-3121 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Absorption Antenna feeds Antenna theory Antennas Applied classical electromagnetism Applied sciences Conduction Dipole antennas Dipole moment Electromagnetic fields Electromagnetic wave propagation, radiowave propagation Electromagnetism electron and ion optics Electrostatics. Poisson and laplace equations, boundary-value problems equivalence principle Exact sciences and technology Excitation Fundamental areas of phenomenology (including applications) Lower bounds Magnetic confinement Magnetic moments Magnetic separation Magnetostatics Magnetostatics magnetic shielding, magnetic induction, boundary-value problems Maxwell's equations Physics Q factor Quality factor Radiocommunications Scattering Telecommunications Telecommunications and information theory |
| title | Lower Bounds on the Q of Electrically Small Dipole Antennas |
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