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Träfflista för sökning "LAR1:lu ;pers:(Gustafsson Mats);lar1:(lnu);pers:(Kristensson Gerhard)"

Search: LAR1:lu > Gustafsson Mats > Linnaeus University > Kristensson Gerhard

  • Result 1-4 of 4
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1.
  • Gustafsson, Mats, et al. (author)
  • Physical bounds and sum rules in scattering and antenna theory
  • 2009
  • In: Electromagnetics in Advanced Applications, 2009. ICEAA '09. International Conference on. ; , s. 600-603, s. 600-603
  • Conference paper (peer-reviewed)abstract
    • The objective of this paper is to review some recently developed sum rules and physical bounds in scattering and antenna theory. The sum rules are based on identities for Herglotz functions that relate the quantity of interest integrated over all wavelengths with its static polarizability dyadics. They are transformed to physical bounds by applying variational principles for the polarizability dyadics together with various estimates of the integrals. The theoretical findings are exemplified by numerical results for several configurations.
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  • Nordebo, Sven, et al. (author)
  • On the relation between optimal wideband matching and scattering of spherical waves
  • 2011
  • In: IEEE Transactions on Antennas and Propagation. - 0018-926X .- 1558-2221. ; 59:9, s. 3358-3369
  • Journal article (peer-reviewed)abstract
    • Abstract in UndeterminedUsing an exact circuit analogy for the scattering ofvector spherical waves, it is shown how the problem of determiningthe optimal scattering bounds for a homogeneous spherein its high-contrast limit is identical to the closely related, andyet very different problem of finding the broadband tuning limitsof the spherical waves. Using integral relations similar to Fano’sbroadband matching bounds, the optimal scattering limitationsare determined by the static response as well as the high-frequencyasymptotics of the reflection coefficient. The scattering view of thematching problem yields explicitly the necessary low-frequencyasymptotics of the reflection coefficient that is used with Fano’sbroadband matching bounds for spherical waves, something thatappears to be non-trivial to derive from the classical networkpoint of view.
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  • Result 1-4 of 4
Type of publication
conference paper (3)
journal article (1)
Type of content
peer-reviewed (4)
Author/Editor
Gustafsson, Mats (4)Undo refine
Nordebo, Sven (4)
Kristensson, Ger... (4)Undo refine
Bernland, Anders (2)
Sohl, Christian (2)
Larsson, Christer (1)
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Sjöberg, Daniel (1)
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University
Lund University (4)
Linnaeus University  (4)Undo refine
Language
English (4)
Research subject (UKÄ/SCB)
Engineering and Technology (4)
Natural sciences (1)

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