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SAR raw signal simulation based on GPU parallel computation

Wang Bingnan, Zhang Fan, Xiang Maosheng
Nat. Key Lab. of Microwave Imaging Technol., Chinese Acad. of Sci., Beijing, China
IEEE International Geoscience and Remote Sensing Symposium, 2009, IGARSS 2009

@conference{bingnan2009sar,

   title={SAR raw signal simulation based on GPU parallel computation},

   author={Bingnan, W. and Fan, Z. and Maosheng, X.},

   booktitle={Geoscience and Remote Sensing Symposium, 2009 IEEE International, IGARSS 2009},

   volume={4},

   pages={IV–617},

   organization={IEEE}

}

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In this paper we present a raw signal simulator based on GPU parallel computation for synthetic aperture radar. We describe a mathematical model of SAR simulation based on FFT in detail and implement it through GPU parallel computation. GPU has a better performance in complex calculation than CPU. It supports parallel computation and raises the speed of algorithms. At the last part of this paper, a simulation comparison is given. The result shows that the simulator base on GPU parallel computation improves the efficiency of algorithm. It is very useful when the algorithm consumes large amount of CPU time.
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