Study and Realization of Synthetic Aperture Radar Imaging Range-Doppler Algorithm Based on OpenMP

doi:10.3969/j.issn.1006-2475.2011.08.020

Computer and Modernization ›› 2011, Vol. 1 ›› Issue (8): 71-73,9.doi: 10.3969/j.issn.1006-2475.2011.08.020

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Study and Realization of Synthetic Aperture Radar Imaging Range-Doppler Algorithm Based on OpenMP

ZHANG Yan-hua¹, WEI Gui-min²

1. School of Computer Science and Information Engineering, Tianjin University of Science & Technology, Tianjin 300222, China;2. Computing Center, Tianjin University of Science & Technology, Tianjin 300222, China

Received:2011-05-18 Revised:1900-01-01 Online:2011-08-10 Published:2011-08-10

Abstract

Abstract: The characteristic and usage of OpenMP are explained. And the synthetic aperture radar imaging range-Doppler algorithm is analyzed for getting the most appropriate operations which can be executed by OpenMP. The original synthetic aperture radar imaging range-Doppler algorithm is converted to a parallel executable program on OpenMP with two parallel computing methods: pragma omp for and pragma omp section. Multi-threads are established to reduce the executive time. It is proved that executive time is reduced to 67%. The processor's efficiency is improved.

Key words: synthetic aperture radar imaging, range Doppler algorithm, OpenMP, parallel

CLC Number:

TN957.52

ZHANG Yan-hua;WEI Gui-min. Study and Realization of Synthetic Aperture Radar Imaging Range-Doppler Algorithm Based on OpenMP[J]. Computer and Modernization, 2011, 1(8): 71-73,9.

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Study and Realization of Synthetic Aperture Radar Imaging Range-Doppler Algorithm Based on OpenMP

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