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Proceedings Paper

Application and research of multi-thread technology in spaceborne SAR imaging
Author(s): Lei Tian; Shi-ming Fan; Wei Zhao
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Paper Abstract

This paper proposes a parallel computing method of multi-thread technology replacing the former serial-execution one according to the analysis of the radar imaging, the processing flow of NCS algorithm and the characteristic of multiprocessor and multi-core system, considering of the hard demand of high speed in imaging of raw spaceborne SAR data. A multi-thread program based on Linux and the pthread encapsulated is also provided. Through the experiments on HP Proliant DL580, it is proved that, compared with traditional serial NCS algorithm, the method of multi-thread presented in this paper makes use of system resource effectively and is good for parallel expansibility of imaging as well as achieving nice resolution.

Paper Details

Date Published: 2 April 2010
PDF: 8 pages
Proc. SPIE 7651, International Conference on Space Information Technology 2009, 765124 (2 April 2010); doi: 10.1117/12.855419
Show Author Affiliations
Lei Tian, Beijing Institute of Satellite Information Engineering (China)
Shi-ming Fan, Beijing Institute of Satellite Information Engineering (China)
Wei Zhao, Beijing Institute of Satellite Information Engineering (China)


Published in SPIE Proceedings Vol. 7651:
International Conference on Space Information Technology 2009
Xingrui Ma; Baohua Yang; Ming Li, Editor(s)

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