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基于多核CPU的卫星云导风并行反演算法

Satellite Cloud Drift Winds Parallel Inversion Algorithm Based on Multi-core CPU

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【作者】 王昌帅何丽莉欧阳丹彤白洪涛

【Author】 WANG Changshuai;HE Lili;OUYANG Dantong;BAI Hongtao;College of Computer Science and Technology,Jilin University;Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education,Jilin University;Center for Computer Fundamental Education,Jilin University;

【机构】 吉林大学计算机科学与技术学院吉林大学符号计算与知识工程教育部重点实验室吉林大学公共计算机教学与研究中心

【摘要】 针对卫星云导风反演算法规模大、计算密集、耗时长,常规云导风反演串行算法效率低的问题,根据云导风反演中各风矢计算相对独立的特征,提出一种基于OpenMP框架的云导风反演并行算法.通过对多组云图数据在多核CPU上反演结果进行分析表明,该算法显著提高了云导风反演的效率.

【Abstract】 In view of the satellite cloud drift winds inversion has the characteristics of large scale,intensive computing and time-consuming,conventional cloud drift winds serial inversion algorithm is very difficult to break through the bottleneck of efficiency.According to the characteristics of relatively independence between each wind vector calculation,we put forward a parallel inversion algorithm based on the OpenMP framework.Through the analysis of the inversion results of the multi group cloud data in the multi core CPU,the results show that the proposed algorithm can significantly improve the inversion efficiency of cloud.

【基金】 国家自然科学基金(批准号:61272208);中央高校基本科研业务费专项基金(批准号:JCKY-QKJC47;JCKY-QKJC49);吉林省教育厅“十三五”科学技术研究项目(批准号:吉教科合字[2016]第432号)
  • 【文献出处】 吉林大学学报(理学版) ,Journal of Jilin University(Science Edition) , 编辑部邮箱 ,2016年03期
  • 【分类号】TP391.41
  • 【被引频次】2
  • 【下载频次】87
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