A technique for measuring antenna drive port impedance using backscatter data
This paper describes a technique for measuring the drive port impedance, denoted Z/sub D/, of an antenna using radar backscatter data. It requires only that one has access to the antenna terminal ports, and the ability to attach a known load to the terminals. In the technique described here, three s...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 1994-04, Vol.42 (4), p.526-533 |
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| container_title | IEEE transactions on antennas and propagation |
| container_volume | 42 |
| creator | Mayhan, J.T. Dion, A.R. Simmons, A.J. |
| description | This paper describes a technique for measuring the drive port impedance, denoted Z/sub D/, of an antenna using radar backscatter data. It requires only that one has access to the antenna terminal ports, and the ability to attach a known load to the terminals. In the technique described here, three sets of backscatter data (amplitude and phase) are required: one with the terminals short-circuited, denoted E/sub s/, one with the terminals open-circuited, denoted E/sub o/, and the third with the terminals loaded with a known resistance R/sub o/, denoted E/sub 1/. These data are readily processed to obtain Z/sub D/, according to the simple relationship defined in equation (8). An analysis of the effects of the various error sources affecting the value of Z/sub D/ determined using this technique is also presented. The utility of the technique is illustrated by measuring Z/sub D/ for a "canonical" body using measured results at L band and UHF taken on three differing RCS ranges, selected so that they differ in the quality of the backscatter measurement over the frequency range under consideration.< > |
| doi_str_mv | 10.1109/8.286221 |
| format | Article |
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It requires only that one has access to the antenna terminal ports, and the ability to attach a known load to the terminals. In the technique described here, three sets of backscatter data (amplitude and phase) are required: one with the terminals short-circuited, denoted E/sub s/, one with the terminals open-circuited, denoted E/sub o/, and the third with the terminals loaded with a known resistance R/sub o/, denoted E/sub 1/. These data are readily processed to obtain Z/sub D/, according to the simple relationship defined in equation (8). An analysis of the effects of the various error sources affecting the value of Z/sub D/ determined using this technique is also presented. The utility of the technique is illustrated by measuring Z/sub D/ for a "canonical" body using measured results at L band and UHF taken on three differing RCS ranges, selected so that they differ in the quality of the backscatter measurement over the frequency range under consideration.< ></description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/8.286221</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Antenna measurements ; Antennas ; Applied sciences ; Backscatter ; Exact sciences and technology ; Frequency measurement ; Immune system ; Impedance measurement ; Loaded antennas ; Radar antennas ; Radar cross section ; Radar measurements ; Radiocommunications ; Telecommunications ; Telecommunications and information theory ; UHF measurements</subject><ispartof>IEEE transactions on antennas and propagation, 1994-04, Vol.42 (4), p.526-533</ispartof><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-e18fee9dad7ba3846e207fe19b5fe7a3c71862c19a64c159df348cabe8cc83e63</citedby><cites>FETCH-LOGICAL-c366t-e18fee9dad7ba3846e207fe19b5fe7a3c71862c19a64c159df348cabe8cc83e63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/286221$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/286221$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4191715$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Mayhan, J.T.</creatorcontrib><creatorcontrib>Dion, A.R.</creatorcontrib><creatorcontrib>Simmons, A.J.</creatorcontrib><title>A technique for measuring antenna drive port impedance using backscatter data</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>This paper describes a technique for measuring the drive port impedance, denoted Z/sub D/, of an antenna using radar backscatter data. It requires only that one has access to the antenna terminal ports, and the ability to attach a known load to the terminals. In the technique described here, three sets of backscatter data (amplitude and phase) are required: one with the terminals short-circuited, denoted E/sub s/, one with the terminals open-circuited, denoted E/sub o/, and the third with the terminals loaded with a known resistance R/sub o/, denoted E/sub 1/. These data are readily processed to obtain Z/sub D/, according to the simple relationship defined in equation (8). An analysis of the effects of the various error sources affecting the value of Z/sub D/ determined using this technique is also presented. The utility of the technique is illustrated by measuring Z/sub D/ for a "canonical" body using measured results at L band and UHF taken on three differing RCS ranges, selected so that they differ in the quality of the backscatter measurement over the frequency range under consideration.< ></description><subject>Antenna measurements</subject><subject>Antennas</subject><subject>Applied sciences</subject><subject>Backscatter</subject><subject>Exact sciences and technology</subject><subject>Frequency measurement</subject><subject>Immune system</subject><subject>Impedance measurement</subject><subject>Loaded antennas</subject><subject>Radar antennas</subject><subject>Radar cross section</subject><subject>Radar measurements</subject><subject>Radiocommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>UHF measurements</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNqFkc1LxDAQxYMouK6CZ085iHjpmqRpmhyXxS9Y8aLgrUzTiVb7ZdIK_ve2dPG6p5lhfjxm3iPknLMV58zc6JXQSgh-QBY8SXQkxv6QLBjjOjJCvR2TkxA-x1FqKRfkaU17tB9N-T0gda2nNUIYfNm8U2h6bBqghS9_kHat72lZd1hAY5EOYUJysF_BQt-jpwX0cEqOHFQBz3Z1SV7vbl82D9H2-f5xs95GNlaqj5Brh2gKKNIcYi0VCpY65CZPHKYQ25SPP1huQEnLE1O4WGoLOWprdYwqXpKrWbfz7Xh46LO6DBarChpsh5AJwxKpdbof1CqVgiX7wVQoGccTeD2D1rcheHRZ58sa_G_GWTYlkOlsTmBEL3eaMJpUOT86V4Z_XnLDUz4pXsxYiYj_253GH7GOjbw</recordid><startdate>19940401</startdate><enddate>19940401</enddate><creator>Mayhan, J.T.</creator><creator>Dion, A.R.</creator><creator>Simmons, A.J.</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>19940401</creationdate><title>A technique for measuring antenna drive port impedance using backscatter data</title><author>Mayhan, J.T. ; Dion, A.R. ; Simmons, A.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-e18fee9dad7ba3846e207fe19b5fe7a3c71862c19a64c159df348cabe8cc83e63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Antenna measurements</topic><topic>Antennas</topic><topic>Applied sciences</topic><topic>Backscatter</topic><topic>Exact sciences and technology</topic><topic>Frequency measurement</topic><topic>Immune system</topic><topic>Impedance measurement</topic><topic>Loaded antennas</topic><topic>Radar antennas</topic><topic>Radar cross section</topic><topic>Radar measurements</topic><topic>Radiocommunications</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>UHF measurements</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mayhan, J.T.</creatorcontrib><creatorcontrib>Dion, A.R.</creatorcontrib><creatorcontrib>Simmons, A.J.</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>Mayhan, J.T.</au><au>Dion, A.R.</au><au>Simmons, A.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A technique for measuring antenna drive port impedance using backscatter data</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>1994-04-01</date><risdate>1994</risdate><volume>42</volume><issue>4</issue><spage>526</spage><epage>533</epage><pages>526-533</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>This paper describes a technique for measuring the drive port impedance, denoted Z/sub D/, of an antenna using radar backscatter data. It requires only that one has access to the antenna terminal ports, and the ability to attach a known load to the terminals. In the technique described here, three sets of backscatter data (amplitude and phase) are required: one with the terminals short-circuited, denoted E/sub s/, one with the terminals open-circuited, denoted E/sub o/, and the third with the terminals loaded with a known resistance R/sub o/, denoted E/sub 1/. These data are readily processed to obtain Z/sub D/, according to the simple relationship defined in equation (8). An analysis of the effects of the various error sources affecting the value of Z/sub D/ determined using this technique is also presented. The utility of the technique is illustrated by measuring Z/sub D/ for a "canonical" body using measured results at L band and UHF taken on three differing RCS ranges, selected so that they differ in the quality of the backscatter measurement over the frequency range under consideration.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/8.286221</doi><tpages>8</tpages></addata></record> |
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| ispartof | IEEE transactions on antennas and propagation, 1994-04, Vol.42 (4), p.526-533 |
| issn | 0018-926X 1558-2221 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna measurements Antennas Applied sciences Backscatter Exact sciences and technology Frequency measurement Immune system Impedance measurement Loaded antennas Radar antennas Radar cross section Radar measurements Radiocommunications Telecommunications Telecommunications and information theory UHF measurements |
| title | A technique for measuring antenna drive port impedance using backscatter data |
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