APPARENT RADAR CROSS SECTION OF A LARGE TARGET ILLUMINATED BY A SURFACE WAVE ABOVE THE SEA | Zendy

Vincent Fabbro | Zendy; P.F. Combes | Zendy; Nicolas Guillet | Zendy

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APPARENT RADAR CROSS SECTION OF A LARGE TARGET ILLUMINATED BY A SURFACE WAVE ABOVE THE SEA

Author(s) -

Vincent Fabbro,

P.F. Combes,

Nicolas Guillet

Publication year - 2005

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier04050502

Subject(s) - radar cross section , section (typography) , radar , geology , remote sensing , surface (topology) , surface wave , cross section (physics) , optics , physics , telecommunications , engineering , computer science , geometry , astronomy , mathematics , operating system

—Classical assesssment of the received power by a radar leads to a decorrelation of many relevant phenomena (i.e. propagation, backscattering), which may introduce modelling errors notably in the presence of large target with respect to the wavelength. To overcome this limitation, a new hybrid approach is proposed. It combines a method of propagation calculation (the parabolic wave equation) with a method of scattering calculation (the EFIE solved by a method of moment,approach) and an application of the reciprocity principle (the power coupling factor). Each method constituting the hybrid approach is described; the example of a large cargo is chosen and its apparent RCS is evaluated above the sea at low frequency. The results are discussed, studying the influence of the different parts of the boat on the apparent RCS. Also with UPS-AD2M-IGEEP, 118 route de Narbonne, 31062 Toulouse Cedex 4, France 42,Fabbro, Combes, and Guillet

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