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Remote Sensing Technology and Application  2010, Vol. 25 Issue (6): 877-880    DOI: 10.11873/j.issn.1004-0323.2010.6.877
article     
Monte Carlo Simulation for SAR Ocean Wave Directional Spectrum
YANG Yong-sheng
(Suzhou University of Science and Technology,Suzhou 215011,China)
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Abstract  

Using the Longuet\|Higgins linear model of ocean wave and JONSWAP spectrum,the  ocean wave directional spectrum is represented.Supposing bragg scattering,the mapping transform between ocean spectrum and SAR imagery spectrum is deduced,which is adapted to the linear wave-SAR imaging scope.Using Monte Carlo method,we can generate ocean direction spectrum which have characteristics of random.For Gaussian sea surface,the computation efficiency of the method is moderated.The simulation results are shows that there are distortions,split spectrum in range and the azimuth displacement between ocean spectrum and SAR imagery spectrum.

Key words:   Ocean wave directional spectrum      Monte Carlo simulation      SAR     
Received:  09 April 2010      Published:  27 January 2011
TP 721.2  
  TP 722.6  
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Cite this article: 

YANG Yong-Sheng. Monte Carlo Simulation for SAR Ocean Wave Directional Spectrum. Remote Sensing Technology and Application, 2010, 25(6): 877-880.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2010.6.877     OR     http://www.rsta.ac.cn/EN/Y2010/V25/I6/877

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