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Forward scattering of loaded and unloaded antennas

Författare:
Publiceringsår: 2012
Språk: Engelska
Sidor: 13
Publikation/Tidskrift/Serie: Technical Report LUTEDX/(TEAT-7217)/1-13/(2012)
Dokumenttyp: Rapport
Ytterligare information: Published version: IEEE Transactions on Antennas and Propagation, Vol. 60, No. 12, pp. 5663-5668, 2012.

Sammanfattning

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.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

Published
TEAT-7217
  • Electromagnetic theory

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