Low-Dispersion Spiral Antennas
A two-arm power spiral antenna with inherently low dispersion is proposed. Analytical, computational, and experimental steps are taken to demonstrate its superior time domain performance. When compared with conventional Archimedean and equiangular spirals, up to 40% improved fidelity factor and puls...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2012-12, Vol.60 (12), p.5522-5530 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Elmansouri, M. A. Filipovic, D. S. |
| description | A two-arm power spiral antenna with inherently low dispersion is proposed. Analytical, computational, and experimental steps are taken to demonstrate its superior time domain performance. When compared with conventional Archimedean and equiangular spirals, up to 40% improved fidelity factor and pulse compression are achieved. It is, however also shown that the power spiral's mid and high band axial ratio is compromised. To enhance the power spiral's frequency domain characteristics, a combined Archimedean/power spiral is developed. VSWR below 2:1, clean patterns with wobble on the wave (WoW) and axial ratio |
| doi_str_mv | 10.1109/TAP.2012.2211321 |
| format | Article |
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A. ; Filipovic, D. S.</creator><creatorcontrib>Elmansouri, M. A. ; Filipovic, D. S.</creatorcontrib><description>A two-arm power spiral antenna with inherently low dispersion is proposed. Analytical, computational, and experimental steps are taken to demonstrate its superior time domain performance. When compared with conventional Archimedean and equiangular spirals, up to 40% improved fidelity factor and pulse compression are achieved. It is, however also shown that the power spiral's mid and high band axial ratio is compromised. To enhance the power spiral's frequency domain characteristics, a combined Archimedean/power spiral is developed. VSWR below 2:1, clean patterns with wobble on the wave (WoW) and axial ratio <; 3 dB over multi-octave wide bandwidth, all similar to those of well-performed frequency domain spirals, and more than 34% fidelity factor improvement over the wide-field of view are achieved. Herein presented results show that the proposed spiral topology can have simultaneously good frequency and time domain characteristics and no additional hardware or software is needed to enhance either.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2012.2211321</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Antenna measurements ; Antennas ; Applied sciences ; Delay ; Dispersion ; Dispersions ; Exact sciences and technology ; Fidelity factor ; Frequency domain analysis ; Frequency domains ; group delay ; Hardware ; Noise levels ; power spirals ; pulse distortion ; Radiocommunications ; Spiral antennas ; Spirals ; Studies ; Telecommunications ; Telecommunications and information theory ; Time domain ; Time domain analysis ; transfer function ; Wow</subject><ispartof>IEEE transactions on antennas and propagation, 2012-12, Vol.60 (12), p.5522-5530</ispartof><rights>2014 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Dec 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c354t-e674583fb4da7a64994358c0c04cc60a6a1c41aa4f20d1f798e809af304a4c753</citedby><cites>FETCH-LOGICAL-c354t-e674583fb4da7a64994358c0c04cc60a6a1c41aa4f20d1f798e809af304a4c753</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6257432$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6257432$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26762515$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Elmansouri, M. A.</creatorcontrib><creatorcontrib>Filipovic, D. S.</creatorcontrib><title>Low-Dispersion Spiral Antennas</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>A two-arm power spiral antenna with inherently low dispersion is proposed. Analytical, computational, and experimental steps are taken to demonstrate its superior time domain performance. When compared with conventional Archimedean and equiangular spirals, up to 40% improved fidelity factor and pulse compression are achieved. It is, however also shown that the power spiral's mid and high band axial ratio is compromised. To enhance the power spiral's frequency domain characteristics, a combined Archimedean/power spiral is developed. VSWR below 2:1, clean patterns with wobble on the wave (WoW) and axial ratio <; 3 dB over multi-octave wide bandwidth, all similar to those of well-performed frequency domain spirals, and more than 34% fidelity factor improvement over the wide-field of view are achieved. Herein presented results show that the proposed spiral topology can have simultaneously good frequency and time domain characteristics and no additional hardware or software is needed to enhance either.</description><subject>Antenna measurements</subject><subject>Antennas</subject><subject>Applied sciences</subject><subject>Delay</subject><subject>Dispersion</subject><subject>Dispersions</subject><subject>Exact sciences and technology</subject><subject>Fidelity factor</subject><subject>Frequency domain analysis</subject><subject>Frequency domains</subject><subject>group delay</subject><subject>Hardware</subject><subject>Noise levels</subject><subject>power spirals</subject><subject>pulse distortion</subject><subject>Radiocommunications</subject><subject>Spiral antennas</subject><subject>Spirals</subject><subject>Studies</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Time domain</subject><subject>Time domain analysis</subject><subject>transfer function</subject><subject>Wow</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkM1LAzEQxYMoWKt3QZCCCF62ZpJJNnss9RMKClbwFsY0C1u2u2vSUvzvzdLSg6fhMe_9mHmMXQIfA_Difj55HwsOYiwEgBRwxAaglMlE0sdswDmYrBD665SdxbhMEg3igF3P2m32UMXOh1i1zeijqwLVo0mz9k1D8ZydlFRHf7GfQ_b59DifvmSzt-fX6WSWOalwnXmdozKy_MYF5aSxKFAq47jj6JzmpAkcAhGWgi-gzAvjDS-olBwJXa7kkN3tuF1ofzY-ru2qis7XNTW-3UQLEpRWUguZrDf_rMt2E5p0nYX0a24KFD2Q71wutDEGX9ouVCsKvxa47QuzqTDbF2b3haXI7R5M0VFdBmpcFQ85oXMtFPToq52v8t4f1mmXoxTyD0gxcEw</recordid><startdate>20121201</startdate><enddate>20121201</enddate><creator>Elmansouri, M. A.</creator><creator>Filipovic, D. S.</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>20121201</creationdate><title>Low-Dispersion Spiral Antennas</title><author>Elmansouri, M. A. ; Filipovic, D. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c354t-e674583fb4da7a64994358c0c04cc60a6a1c41aa4f20d1f798e809af304a4c753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Antenna measurements</topic><topic>Antennas</topic><topic>Applied sciences</topic><topic>Delay</topic><topic>Dispersion</topic><topic>Dispersions</topic><topic>Exact sciences and technology</topic><topic>Fidelity factor</topic><topic>Frequency domain analysis</topic><topic>Frequency domains</topic><topic>group delay</topic><topic>Hardware</topic><topic>Noise levels</topic><topic>power spirals</topic><topic>pulse distortion</topic><topic>Radiocommunications</topic><topic>Spiral antennas</topic><topic>Spirals</topic><topic>Studies</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Time domain</topic><topic>Time domain analysis</topic><topic>transfer function</topic><topic>Wow</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Elmansouri, M. A.</creatorcontrib><creatorcontrib>Filipovic, D. S.</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>Elmansouri, M. A.</au><au>Filipovic, D. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low-Dispersion Spiral Antennas</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2012-12-01</date><risdate>2012</risdate><volume>60</volume><issue>12</issue><spage>5522</spage><epage>5530</epage><pages>5522-5530</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>A two-arm power spiral antenna with inherently low dispersion is proposed. Analytical, computational, and experimental steps are taken to demonstrate its superior time domain performance. When compared with conventional Archimedean and equiangular spirals, up to 40% improved fidelity factor and pulse compression are achieved. It is, however also shown that the power spiral's mid and high band axial ratio is compromised. To enhance the power spiral's frequency domain characteristics, a combined Archimedean/power spiral is developed. VSWR below 2:1, clean patterns with wobble on the wave (WoW) and axial ratio <; 3 dB over multi-octave wide bandwidth, all similar to those of well-performed frequency domain spirals, and more than 34% fidelity factor improvement over the wide-field of view are achieved. Herein presented results show that the proposed spiral topology can have simultaneously good frequency and time domain characteristics and no additional hardware or software is needed to enhance either.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TAP.2012.2211321</doi><tpages>9</tpages></addata></record> |
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| subjects | Antenna measurements Antennas Applied sciences Delay Dispersion Dispersions Exact sciences and technology Fidelity factor Frequency domain analysis Frequency domains group delay Hardware Noise levels power spirals pulse distortion Radiocommunications Spiral antennas Spirals Studies Telecommunications Telecommunications and information theory Time domain Time domain analysis transfer function Wow |
| title | Low-Dispersion Spiral Antennas |
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