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Post-processing removal of non-real characteristic modes via basis function perturbation

In English

Författare

Summary, in English

For more than 30 years since it was first proposed by Harrington et al., the Theory of Characteristic Mode (TCM) has only been applied to perfect electric conductors (PEC), and more recently lossless dielectric materials. One key challenge in computing the characteristic modes (CMs) of non-PEC materials using the PMCHWT surface integral equation is the presence of internal resonances in the solution space, due to the required forcing of symmetry on the impedance matrix. In lossless dielectrics, it was shown that these non-real CMs can be removed in post-processing through far-field power analysis. However, this method breaks down in lossy materials as it relies on the assumption of no radiation losses. This paper proposes the use of basis function perturbation to isolate the non-real CMs from the real CMs when CM analysis is applied to lossy materials.

Publiceringsår

2016

Språk

Engelska

Publikation/Tidskrift/Serie

2016 IEEE International Symposium on Antennas and Propagation (APSURSI)

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • Characteristic modes
  • antenna design
  • dielectric resonator antennas

Conference name

IEEE International Symposium on Antennas and Propagation, 2016

Conference date

2016-06-26 - 2016-07-01

Conference place

Fajardo, Puerto Rico, United States

Aktiv

Published

Projekt

  • Systematic Antenna Design Using the Theory of Characteristic Modes
  • EIT_Optantsys Novel Antenna System Design Paradigm for High Performance Mobile Communications

Forskningsgrupp

  • Electromagnetic theory
  • Communications Engineering

ISBN/ISSN/Övrigt

  • ISBN: 978-1-5090-2886-3