Expansion of a Y-shaped array antennas for radio astronomy
Observing celestial objects is common in radio astronomy. The Giant Meterwave Radio Telescope (GMRT) is one of the world's latest telescopes of its kind. The aim of this paper is to extend the number of array antennas and optimize configurations by changing the position of antennas for getting...
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| creator | Kiehbadroudinezhad, Shahideh Chee Kyun Ng Noordin, Nor Kamariah |
| description | Observing celestial objects is common in radio astronomy. The Giant Meterwave Radio Telescope (GMRT) is one of the world's latest telescopes of its kind. The aim of this paper is to extend the number of array antennas and optimize configurations by changing the position of antennas for getting low sidelobes and high u-v plane coverage. Initially, the expansion along three arms configuration was studied and then expanding it to spiral shape. The results show about 98.5 percents less coverage of GMRT without expansion compare to the extended GMRT. The spiral expanded shows ability to cover the u-v plane more than expansion in three arms by sixteen percents. |
| doi_str_mv | 10.1109/IconSpace.2013.6599429 |
| format | Conference Proceeding |
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The Giant Meterwave Radio Telescope (GMRT) is one of the world's latest telescopes of its kind. The aim of this paper is to extend the number of array antennas and optimize configurations by changing the position of antennas for getting low sidelobes and high u-v plane coverage. Initially, the expansion along three arms configuration was studied and then expanding it to spiral shape. The results show about 98.5 percents less coverage of GMRT without expansion compare to the extended GMRT. 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The spiral expanded shows ability to cover the u-v plane more than expansion in three arms by sixteen percents.</description><subject>Antenna arrays</subject><subject>array antennas</subject><subject>Arrays</subject><subject>Earth</subject><subject>GMRT</subject><subject>Interferometry</subject><subject>Radio astronomy</subject><subject>Shape</subject><subject>Spirals</subject><subject>u-v plane</subject><issn>2165-4301</issn><isbn>1467352330</isbn><isbn>9781467352338</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2013</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj8FKAzEUACMoWGu_QJD8wK4vedm3G29SqhYKHtSDp_K6SXDFJkuyB_fvFexp5jQwQtwqqJUCe7ftU3wdufe1BoU1NdYabc_ElTLUYqMR4VwstKKmMgjqUqxK-QIAVJ0FRQtxv_kZOZYhRZmCZPlRlU8evZOcM8-S4-Rj5CJDyjKzG5LkMuUU03G-FheBv4tfnbgU74-bt_VztXt52q4fdtWgNU6VIzYAjiwE4xEPZFxL1DkLThvs_4RtCxhMQN1TS22HXR_I46GzwRPhUtz8dwfv_X7Mw5HzvD-t4i_T-kjr</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Kiehbadroudinezhad, Shahideh</creator><creator>Chee Kyun Ng</creator><creator>Noordin, Nor Kamariah</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>20130101</creationdate><title>Expansion of a Y-shaped array antennas for radio astronomy</title><author>Kiehbadroudinezhad, Shahideh ; Chee Kyun Ng ; Noordin, Nor Kamariah</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i223t-d6a400d690f4e33b64d7668d90d243c8d9a9703f4f32c6767838cf6e3b89fe663</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Antenna arrays</topic><topic>array antennas</topic><topic>Arrays</topic><topic>Earth</topic><topic>GMRT</topic><topic>Interferometry</topic><topic>Radio astronomy</topic><topic>Shape</topic><topic>Spirals</topic><topic>u-v plane</topic><toplevel>online_resources</toplevel><creatorcontrib>Kiehbadroudinezhad, Shahideh</creatorcontrib><creatorcontrib>Chee Kyun Ng</creatorcontrib><creatorcontrib>Noordin, Nor Kamariah</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kiehbadroudinezhad, Shahideh</au><au>Chee Kyun Ng</au><au>Noordin, Nor Kamariah</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Expansion of a Y-shaped array antennas for radio astronomy</atitle><btitle>2013 IEEE International Conference on Space Science and Communication (IconSpace)</btitle><stitle>IconSpace</stitle><date>2013-01-01</date><risdate>2013</risdate><spage>39</spage><epage>44</epage><pages>39-44</pages><issn>2165-4301</issn><eisbn>1467352330</eisbn><eisbn>9781467352338</eisbn><abstract>Observing celestial objects is common in radio astronomy. The Giant Meterwave Radio Telescope (GMRT) is one of the world's latest telescopes of its kind. The aim of this paper is to extend the number of array antennas and optimize configurations by changing the position of antennas for getting low sidelobes and high u-v plane coverage. Initially, the expansion along three arms configuration was studied and then expanding it to spiral shape. The results show about 98.5 percents less coverage of GMRT without expansion compare to the extended GMRT. The spiral expanded shows ability to cover the u-v plane more than expansion in three arms by sixteen percents.</abstract><pub>IEEE</pub><doi>10.1109/IconSpace.2013.6599429</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 2165-4301 |
| ispartof | 2013 IEEE International Conference on Space Science and Communication (IconSpace), 2013, p.39-44 |
| issn | 2165-4301 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Antenna arrays array antennas Arrays Earth GMRT Interferometry Radio astronomy Shape Spirals u-v plane |
| title | Expansion of a Y-shaped array antennas for radio astronomy |
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