A priori estimates on the partial realized gain of UWB-antennas

Christian Sohl, Mats Gustafsson

Forskningsoutput: KonferensbidragKonferenspaper, ej i proceeding/ej förlagsutgivetPeer review


A summation rule valid for a large class of linear and reciprocal antennas is presented in terms of the electric and
magnetic polarizability dyadics. The identity is based on the holomorphic properties of the forward scattering dyadic
and includes arbitrary shaped antennas modeled by linear and time-translational invariant constitutive relations. In
particular, a priori estimates on the partial realized gain are introduced, and lower bounds on the onset frequency
is derived for two important archetypes of UWB-antennas. The theoretical findings are illustrated by the equiangular
planar spiral antenna, and comparison with numerical simulations show great potential for future use in antenna theory.
StatusPublished - 2008
EvenemangXXIXth URSI General Assembly 2008 - Chicago, Chicago, Illinois, USA
Varaktighet: 2008 aug. 72008 aug. 16


KonferensXXIXth URSI General Assembly 2008
OrtChicago, Illinois

Ämnesklassifikation (UKÄ)

  • Elektroteknik och elektronik


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