Physical limitations of antennas in a lossy medium

Research output: Book/ReportReportResearch

Abstract

The dissipated power and the directivity of antennas in a homogeneous, lossy
medium are systematically analyzed in this paper. The antennas are ideal
and located inside a lossless sphere. In the lossy space outside the sphere, the
electromagnetic fields are expanded in a complete set of vector wave functions.
The optimal values of the radiation efficiency, the directivity, as well as the
power gain are derived.
Original languageEnglish
Publisher[Publisher information missing]
Number of pages15
VolumeTEAT-7114
Publication statusPublished - 2003

Publication series

NameTechnical Report LUTEDX/(TEAT-7114)/1-15/(2003)
VolumeTEAT-7114

Bibliographical note

TEAT-7114

Published version: IEEE Transactions on Antennas and Propagation, Vol. 52, No. 8, pp. 2027-33, 2004.

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering

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