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Forward scattering of loaded and unloaded antennas

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Author

Summary, in English

Forward scattering of antennas is related to antenna performance via the forward scattering sum rule. The forward scattering sum rule is an integral identity that shows that a weighted integral of the extinction cross section over all spectrum is proportional to the static polarizabiliy of the antenna structure.

Here, the forward scattering sum rule is experimentally verified for loaded, short circuit, and open circuit cylindrical dipole antennas.

It is also shown that the absorption efficiency cannot be greater than 1/2 for reciprocal linearly polarized lossless matched antennas with a symmetric radiation pattern.

Publishing year

2012

Language

English

Pages

5663-5668

Publication/Series

IEEE Transactions on Antennas and Propagation

Volume

60

Issue

12

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Sum rule
  • extinction cross section
  • antennas

Status

Published

Project

  • EIT_HSWC:Antenna MIMO antennas and channels

Research group

  • Electromagnetic theory

ISBN/ISSN/Other

  • ISSN: 0018-926X