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Physical limitations of antennas in a lossy medium

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Author

Summary, in English

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.

Publishing year

2003

Language

English

Publication/Series

Technical Report LUTEDX/(TEAT-7114)/1-15/(2003)

Document type

Report

Publisher

[Publisher information missing]

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Report number

TEAT-7114

Research group

  • Electromagnetic theory