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Dissipation Factors...
Dissipation Factors of Spherical Current Modes on Multiple Spherical Layers
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- Losenicky, Vit (author)
- Czech Technical University in Prague
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- Jelinek, Lukas (author)
- Czech Technical University in Prague
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- Capek, Miloslav (author)
- Czech Technical University in Prague
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- Gustafsson, Mats (author)
- Lund University,Lunds universitet,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Electromagnetic Theory,Lund University Research Groups
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(creator_code:org_t)
- 2018
- 2018
- English.
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In: IEEE Transactions on Antennas and Propagation. - 0018-926X. ; 66:9, s. 4948-4952
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Abstract
Subject headings
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- Radiation efficiencies of modal current densities distributed on a spherical shell are evaluated in terms of dissipation factor. The presented approach is rigorous, yet simple and straightforward, leading to closed-form expressions. The same approach is utilized for a two-layered shell and the results are compared with other models existing in the literature. Discrepancies in this comparison are reported and reasons are analyzed. Finally, it is demonstrated that radiation efficiency potentially benefits from the use of internal volume which contrasts with the case of the radiation Q-factor.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Antenna theory
- Optimization methods
- Radiation efficiency
Publication and Content Type
- art (subject category)
- ref (subject category)
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