Near-field to far-field transformation applied to UHF antennas over lossy ground
This paper deals with a near-field to far-field transformation able to predict the radiation of UHF antennas located over a lossy ground. From in-situ near-field measurements, an equivalent set of dipole sources is obtained as a model of the characterized antenna. The paper details the main steps of...
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| Veröffentlicht in: | International journal of microwave and wireless technologies 2020-04, Vol.12 (3), p.227-232 |
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| container_title | International journal of microwave and wireless technologies |
| container_volume | 12 |
| creator | Bourey, Nicolas Darces, Muriel Chatelon, Yves Hélier, Marc |
| description | This paper deals with a near-field to far-field transformation able to predict the radiation of UHF antennas located over a lossy ground. From
in-situ
near-field measurements, an equivalent set of dipole sources is obtained as a model of the characterized antenna. The paper details the main steps of the transformation and describes the specific experimental set-up designed for the application. Simple directional antennas (monopoles array) as well as more complex omnidirectional antennas (like a biconical antenna as a scaled-down model of a HF antenna) have been tested in realistic environments. This approach is very efficient for separating the contributions of the radiated waves: the sky wave and the surface wave. |
| doi_str_mv | 10.1017/S1759078719001272 |
| format | Article |
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in-situ
near-field measurements, an equivalent set of dipole sources is obtained as a model of the characterized antenna. The paper details the main steps of the transformation and describes the specific experimental set-up designed for the application. Simple directional antennas (monopoles array) as well as more complex omnidirectional antennas (like a biconical antenna as a scaled-down model of a HF antenna) have been tested in realistic environments. This approach is very efficient for separating the contributions of the radiated waves: the sky wave and the surface wave.</description><identifier>ISSN: 1759-0787</identifier><identifier>EISSN: 1759-0795</identifier><identifier>DOI: 10.1017/S1759078719001272</identifier><language>eng</language><publisher>Cambridge: Cambridge University Press</publisher><subject>Antenna arrays ; Antennas ; Dielectric properties ; Dipoles ; Directional antennas ; Electric fields ; Electromagnetism ; Engineering Sciences ; Far fields ; Magnetic fields ; Omnidirectional antennas ; Sky waves ; Surface waves ; Transformations</subject><ispartof>International journal of microwave and wireless technologies, 2020-04, Vol.12 (3), p.227-232</ispartof><rights>Copyright Cambridge University Press Apr 2020</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-8410833afb44a43ca7f42de41d1c9629bfbf677761617b79e33aa73168ba73d23</citedby><cites>FETCH-LOGICAL-c350t-8410833afb44a43ca7f42de41d1c9629bfbf677761617b79e33aa73168ba73d23</cites><orcidid>0000-0002-3696-4616 ; 0000-0002-7828-1813</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,781,785,886,27926,27927</link.rule.ids><backlink>$$Uhttps://hal.sorbonne-universite.fr/hal-02302095$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Bourey, Nicolas</creatorcontrib><creatorcontrib>Darces, Muriel</creatorcontrib><creatorcontrib>Chatelon, Yves</creatorcontrib><creatorcontrib>Hélier, Marc</creatorcontrib><title>Near-field to far-field transformation applied to UHF antennas over lossy ground</title><title>International journal of microwave and wireless technologies</title><description>This paper deals with a near-field to far-field transformation able to predict the radiation of UHF antennas located over a lossy ground. From
in-situ
near-field measurements, an equivalent set of dipole sources is obtained as a model of the characterized antenna. The paper details the main steps of the transformation and describes the specific experimental set-up designed for the application. Simple directional antennas (monopoles array) as well as more complex omnidirectional antennas (like a biconical antenna as a scaled-down model of a HF antenna) have been tested in realistic environments. 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in-situ
near-field measurements, an equivalent set of dipole sources is obtained as a model of the characterized antenna. The paper details the main steps of the transformation and describes the specific experimental set-up designed for the application. Simple directional antennas (monopoles array) as well as more complex omnidirectional antennas (like a biconical antenna as a scaled-down model of a HF antenna) have been tested in realistic environments. This approach is very efficient for separating the contributions of the radiated waves: the sky wave and the surface wave.</abstract><cop>Cambridge</cop><pub>Cambridge University Press</pub><doi>10.1017/S1759078719001272</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-3696-4616</orcidid><orcidid>https://orcid.org/0000-0002-7828-1813</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1759-0787 |
| ispartof | International journal of microwave and wireless technologies, 2020-04, Vol.12 (3), p.227-232 |
| issn | 1759-0787 1759-0795 |
| language | eng |
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| source | Cambridge University Press Journals Complete |
| subjects | Antenna arrays Antennas Dielectric properties Dipoles Directional antennas Electric fields Electromagnetism Engineering Sciences Far fields Magnetic fields Omnidirectional antennas Sky waves Surface waves Transformations |
| title | Near-field to far-field transformation applied to UHF antennas over lossy ground |
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