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Progress In Electromagnetics Research
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MULTILEVEL FAST MULTIPOLE ALGORITHM FOR RADIATION CHARACTERISTICS OF SHIPBORNE ANTENNAS ABOVE SEAWATER

By X.-W. Zhao, C.-H. Liang, and L. Liang

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Abstract:
Radiation characteristics of shipborne antennas above lossy half-space are studied using the multilevel fast multipole algorithm (MLFMA). The near terms in the MLFMA are evaluated by using the rigorous half-space dyadic Green's function, computed via the method of complex images. The far MLFMA interactions employ an approximate dyadic Green's function via a direct-radiation term plus a single real image, with the image amplitude characterized by the polarization-dependent Fresnel reflection coefficient. Finally, radiation patterns of an ultra-shortwave antenna mounted on a realistic 3-D ship over seawater are presented and compared with a rigorous method-ofmoments (MoM) solution.

Citation: (See works that cites this article)
X.-W. Zhao, C.-H. Liang, and L. Liang, "Multilevel Fast Multipole Algorithm for Radiation Characteristics of Shipborne Antennas Above Seawater," Progress In Electromagnetics Research, Vol. 81, 291-302, 2008.
doi:10.2528/PIER08012003
http://www.jpier.org/PIER/pier.php?paper=08012003

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