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Composite Scattering from the Electrically Very Large Ship-Sea Model Using the Hybrid High-Frequency Method

Luo Wei1, Zhang Min1, Zhou Ping2 and Yin Hong-Cheng2

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FUNDAMENTAL AREAS OF PHENOMENOLOGY (INCLUDING APPLICATIONS)

A hybrid high-frequency method is proposed to analyze the bistatic electromagnetic scattering of the ship target on a very large two-dimensional randomly rough sea surface. The scattering of the ship-sea model is evaluated with the method of equivalent currents (MEC). The iterative physical optics method (IPO) is utilized to study the electromagnetic coupling effect caused by the hull and rough surface. The shadowing correction based on the Z-Buffer technology is introduced to eliminate the effects of the irrelevant scattering resources. The validity of the hybrid method is confirmed by the SAR simulation results and the scattering property of the ship-sea model is discussed.


PACS

93.85.Bc Computational methods and data processing, data acquisition and storage

92.10.ah Ocean currents; Eastern boundary currents, Western boundary currents

42.68.Xy Ocean optics

Subjects

Instrumentation and measurement

Optics, quantum optics and lasers

Environmental and Earth science

Dates

Issue 11 (November 2009)

Received 27 July 2009



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