Optimal Radiation Pattern of the Element for a Spherical Phased Array With Hemispherical Scan Capability
In this letter, very interesting characteristics of the element used in a spherical phased array antenna are described. From the analysis, it is deduced that the optimum pattern of the element that results in maximum array directivity is a cosine squared function. This is verified in two different a...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2017-01, Vol.16, p.2780-2782 |
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| container_title | IEEE antennas and wireless propagation letters |
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| creator | Kumar, B. Pavan Kumar, Chandrakanta Kumar, V. Senthil Srinivasan, V. V. |
| description | In this letter, very interesting characteristics of the element used in a spherical phased array antenna are described. From the analysis, it is deduced that the optimum pattern of the element that results in maximum array directivity is a cosine squared function. This is verified in two different array configurations-one with 32 elements and the other with 64 elements. A compact quasi-tapered helix antenna is designed at X-band, and its radiation properties are compared with the required performance. Helix antenna is selected as it can give good bandwidth and good polarization purity. |
| doi_str_mv | 10.1109/LAWP.2017.2745541 |
| format | Article |
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Helix antenna is selected as it can give good bandwidth and good polarization purity.</description><subject>Active array</subject><subject>Antenna radiation patterns</subject><subject>Antennas</subject><subject>Extraterrestrial measurements</subject><subject>Gain</subject><subject>Helical antennas</subject><subject>Microwave integrated circuits</subject><subject>Optimization</subject><subject>pattern multiplication</subject><subject>phased array antenna</subject><subject>Phased arrays</subject><subject>Spherical antennas</subject><subject>spherical phased array antenna (SPAA)</subject><subject>Trigonometric functions</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLwEPG_NxybZHEupVii0WKXHkO5O2JR2d03SQ_-9u1R6mhfmeWfgQeiZkgmlRL8tp9v1hBGqJkzlQuT0Bo2oyItMKKFuh8xlRhkT9-ghxj3pSSn4CNWrLvmjPeAvW3mbfNvgtU0JQoNbh1MNeH6AIzQJuzZgizddDcGXfWFd2wgVnoZgz3jrU40XcPTxut-UtsEz29mdP_h0fkR3zh4iPP3PMfp5n3_PFtly9fE5my6zkmmeMiU1aGsZkVzJChRhThSKOSVl6VhOHS0ZqXaukNbZSles1KRQxElHnbYg-Ri9Xu52of09QUxm355C0780VAtKc6m56Cl6ocrQxhjAmS70GsLZUGIGoWYQagah5l9o33m5dDwAXPmiR3LG-R-iFXHh</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Kumar, B. 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| source | IEEE Electronic Library (IEL) |
| subjects | Active array Antenna radiation patterns Antennas Extraterrestrial measurements Gain Helical antennas Microwave integrated circuits Optimization pattern multiplication phased array antenna Phased arrays Spherical antennas spherical phased array antenna (SPAA) Trigonometric functions |
| title | Optimal Radiation Pattern of the Element for a Spherical Phased Array With Hemispherical Scan Capability |
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