4.7 Article

Hybrid Multilevel Fast Multipole Algorithm-Physical Optics for Impedance Surfaces

Journal

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 64, Issue 12, Pages 5475-5478

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2016.2606570

Keywords

Electromagnetic (EM) scattering; hybrid methods; impedance boundary condition (IBC); method of moments (MOM); multilevel fast multipole algorithm (MLFMA); physical optics (PO)

Funding

  1. Finnish Scientific Advisory Board for Defense

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A hybrid multilevel fast multipole algorithm-physical optics algorithm is developed for the bistatic radar cross section computation of electrically large objects modeled with the impedance boundary condition. Surface integral equation formulation of the problem is based on the resonance free self-dual integral equation by Yan and Jin. Accuracy of the solutions of the developed methods is studied for various surface impedance values.

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