Investigation on the Mutual Coupling of High-Power Dual-Branch Helical Antennas
The mutual coupling in high-power dual-branch helical antennas (DBHAs) is investigated, with the purpose of improving the power capacity of high-power antenna arrays further. Unlike common measures, the maximum {E} -field difference between a single antenna element and its array is proposed to eval...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2019-06, Vol.67 (6), p.3641-3648 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Liang, Yuan Liu, Qingxiang Wang, Bangji Zhou, Liang |
| description | The mutual coupling in high-power dual-branch helical antennas (DBHAs) is investigated, with the purpose of improving the power capacity of high-power antenna arrays further. Unlike common measures, the maximum {E} -field difference between a single antenna element and its array is proposed to evaluate the strength of mutual coupling. This measure is suitable for high-power antenna arrays and validated by comparing with other indexes, such as S-parameter, gain, and axial ratio. Because high-frequency current and the {E} -field are closely related, the full-wave method is used to calculate the current amplitude distribution over a single helical antenna and the scattering {E} -field of an antenna array. Since the antenna elements mutually coupled through the air, several approaches are discussed for suppressing the mutual coupling. It is verified that using cavity not only isolates the antenna elements well but it is also with high power capacity. The results indicate that each antenna element is able to handle high pulsed power. Besides, it could be seen that the decrease in mutual coupling is helpful for improving the power capacity. |
| doi_str_mv | 10.1109/TAP.2019.2905735 |
| format | Article |
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Unlike common measures, the maximum <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field difference between a single antenna element and its array is proposed to evaluate the strength of mutual coupling. This measure is suitable for high-power antenna arrays and validated by comparing with other indexes, such as S-parameter, gain, and axial ratio. Because high-frequency current and the <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field are closely related, the full-wave method is used to calculate the current amplitude distribution over a single helical antenna and the scattering <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field of an antenna array. Since the antenna elements mutually coupled through the air, several approaches are discussed for suppressing the mutual coupling. It is verified that using cavity not only isolates the antenna elements well but it is also with high power capacity. The results indicate that each antenna element is able to handle high pulsed power. Besides, it could be seen that the decrease in mutual coupling is helpful for improving the power capacity.]]></description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2019.2905735</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna array ; Antenna arrays ; Antenna measurements ; Couplings ; Current distribution ; electric field ; helical antenna ; Helical antennas ; Mutual coupling ; power capacity ; Scattering</subject><ispartof>IEEE transactions on antennas and propagation, 2019-06, Vol.67 (6), p.3641-3648</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c244t-335afbeace6d01494f7959ec33a987cb62e368595fc3b008f46cf094f18280793</cites><orcidid>0000-0002-3177-8160 ; 0000-0001-7644-6453</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8668533$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27929,27930,54763</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8668533$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Liang, Yuan</creatorcontrib><creatorcontrib>Liu, Qingxiang</creatorcontrib><creatorcontrib>Wang, Bangji</creatorcontrib><creatorcontrib>Zhou, Liang</creatorcontrib><title>Investigation on the Mutual Coupling of High-Power Dual-Branch Helical Antennas</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description><![CDATA[The mutual coupling in high-power dual-branch helical antennas (DBHAs) is investigated, with the purpose of improving the power capacity of high-power antenna arrays further. Unlike common measures, the maximum <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field difference between a single antenna element and its array is proposed to evaluate the strength of mutual coupling. This measure is suitable for high-power antenna arrays and validated by comparing with other indexes, such as S-parameter, gain, and axial ratio. Because high-frequency current and the <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field are closely related, the full-wave method is used to calculate the current amplitude distribution over a single helical antenna and the scattering <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field of an antenna array. Since the antenna elements mutually coupled through the air, several approaches are discussed for suppressing the mutual coupling. It is verified that using cavity not only isolates the antenna elements well but it is also with high power capacity. The results indicate that each antenna element is able to handle high pulsed power. Besides, it could be seen that the decrease in mutual coupling is helpful for improving the power capacity.]]></description><subject>Antenna array</subject><subject>Antenna arrays</subject><subject>Antenna measurements</subject><subject>Couplings</subject><subject>Current distribution</subject><subject>electric field</subject><subject>helical antenna</subject><subject>Helical antennas</subject><subject>Mutual coupling</subject><subject>power capacity</subject><subject>Scattering</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKt3wcuC59R8bHaTY63VFirtoYK3kMZJu2XN1mRX8d-bskUYGIZ5ZuadF6FbSkaUEvWwHq9GjFA1YoqIkoszNKBCSMwYo-doQAiVWLHi_RJdxbhPZS7zfICWc_8Nsa22pq0an6Vod5C9dm1n6mzSdIe68tuscdms2u7wqvmBkD2lHn4MxttdNoO6sgkd-xa8N_EaXThTR7g55SF6e56uJzO8WL7MJ-MFtizPW8y5MG4DxkLxkaSo3JVKKLCcGyVLuykY8EIKJZzlG0KkywvrSMKoZJKUig_Rfb_3EJqvLn2g900XfDqpGeNCMt5TpKdsaGIM4PQhVJ8m_GpK9NE2nWzTR9v0ybY0ctePVADwj8siqeGc_wFGaGe0</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Liang, Yuan</creator><creator>Liu, Qingxiang</creator><creator>Wang, Bangji</creator><creator>Zhou, Liang</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-3177-8160</orcidid><orcidid>https://orcid.org/0000-0001-7644-6453</orcidid></search><sort><creationdate>20190601</creationdate><title>Investigation on the Mutual Coupling of High-Power Dual-Branch Helical Antennas</title><author>Liang, Yuan ; Liu, Qingxiang ; Wang, Bangji ; Zhou, Liang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c244t-335afbeace6d01494f7959ec33a987cb62e368595fc3b008f46cf094f18280793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Antenna array</topic><topic>Antenna arrays</topic><topic>Antenna measurements</topic><topic>Couplings</topic><topic>Current distribution</topic><topic>electric field</topic><topic>helical antenna</topic><topic>Helical antennas</topic><topic>Mutual coupling</topic><topic>power capacity</topic><topic>Scattering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liang, Yuan</creatorcontrib><creatorcontrib>Liu, Qingxiang</creatorcontrib><creatorcontrib>Wang, Bangji</creatorcontrib><creatorcontrib>Zhou, Liang</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>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Liang, Yuan</au><au>Liu, Qingxiang</au><au>Wang, Bangji</au><au>Zhou, Liang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation on the Mutual Coupling of High-Power Dual-Branch Helical Antennas</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2019-06-01</date><risdate>2019</risdate><volume>67</volume><issue>6</issue><spage>3641</spage><epage>3648</epage><pages>3641-3648</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract><![CDATA[The mutual coupling in high-power dual-branch helical antennas (DBHAs) is investigated, with the purpose of improving the power capacity of high-power antenna arrays further. Unlike common measures, the maximum <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field difference between a single antenna element and its array is proposed to evaluate the strength of mutual coupling. This measure is suitable for high-power antenna arrays and validated by comparing with other indexes, such as S-parameter, gain, and axial ratio. Because high-frequency current and the <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field are closely related, the full-wave method is used to calculate the current amplitude distribution over a single helical antenna and the scattering <inline-formula> <tex-math notation="LaTeX">{E} </tex-math></inline-formula>-field of an antenna array. Since the antenna elements mutually coupled through the air, several approaches are discussed for suppressing the mutual coupling. It is verified that using cavity not only isolates the antenna elements well but it is also with high power capacity. The results indicate that each antenna element is able to handle high pulsed power. Besides, it could be seen that the decrease in mutual coupling is helpful for improving the power capacity.]]></abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TAP.2019.2905735</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-3177-8160</orcidid><orcidid>https://orcid.org/0000-0001-7644-6453</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna array Antenna arrays Antenna measurements Couplings Current distribution electric field helical antenna Helical antennas Mutual coupling power capacity Scattering |
| title | Investigation on the Mutual Coupling of High-Power Dual-Branch Helical Antennas |
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