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泾河油田长8致密油藏地震Likelihood裂缝预测 被引量:8
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作者 刘忠群 秦锐 +1 位作者 郝前勇 吴锦伟 《成都理工大学学报(自然科学版)》 CAS CSCD 北大核心 2016年第5期609-616,共8页
预测鄂尔多斯盆地西南部泾河油田长8地层致密油藏裂缝发育特征。针对研究区裂缝具有小规模、弱信息、突变和线性展布发育的特点,采用Likelihood算法对裂缝进行了预测和表征。研究表明:在垂直于裂缝方位的地震响应异常最明显,在确定裂缝... 预测鄂尔多斯盆地西南部泾河油田长8地层致密油藏裂缝发育特征。针对研究区裂缝具有小规模、弱信息、突变和线性展布发育的特点,采用Likelihood算法对裂缝进行了预测和表征。研究表明:在垂直于裂缝方位的地震响应异常最明显,在确定裂缝方位和进行叠前方位数据处理的基础上采用Likelihood算法更加有效;在方位数据上提取的长8致密储层裂缝分布预测成果精度高,其发育位置及特性与实钻水平井钻遇裂缝段显示吻合度高。Likelihood算法是与研究区地质特性相匹配的地震裂缝预测技术。 展开更多
关键词 致密油藏 裂缝 各向异性 方位数据处理 Likelihood算法
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Reconfigurable-System-on-Chip Implementation of Data Processing Units for Space Applications
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作者 张宇宁 常亮 +1 位作者 杨根庆 李华旺 《Transactions of Tianjin University》 EI CAS 2010年第4期270-274,共5页
Application-specific data processing units (DPUs) are commonly adopted for operational control and data processing in space missions. To overcome the limitations of traditional radiation-hardened or fully commercial d... Application-specific data processing units (DPUs) are commonly adopted for operational control and data processing in space missions. To overcome the limitations of traditional radiation-hardened or fully commercial design approaches, a reconfigurable-system-on-chip (RSoC) solution based on state-of-the-art FPGA is introduced. The flexibility and reliability of this approach are outlined, and the requirements for an enhanced RSoC design with in-flight reconfigurability for space applications are presented. This design has been demonstrated as an on-board computer prototype, providing an in-flight reconfigurable DPU design approach using integrated hardwired processors. 展开更多
关键词 RSoC in-flight reconfigurability spaceborne data processing unit
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Position and Perspective of Statistics in Sociology
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作者 Valentina Sokolovska 《Chinese Business Review》 2011年第10期924-929,共6页
The paper first gives a brief overview of the use of statistical methods in sociology in order to show the continuity and importance of these methods in the development of sociology as a science. Therefore, education ... The paper first gives a brief overview of the use of statistical methods in sociology in order to show the continuity and importance of these methods in the development of sociology as a science. Therefore, education of sociologists requires, among other things, training in statistical methods applicable in data processing and analysis in sociological research. Then the research continues with a comparative analysis of the curricula of undergraduate academic studies of sociology, and especially the presence of statistics teaching in them, in the Republic of Serbia and the neighbouring countries. Different programs of the Department of Sociology of the Faculty of Philosophy in Novi Sad are analyzed together with the results of the students' evaluations for the academic years 2007/2008 and 2009/2010. 展开更多
关键词 SOCIOLOGY statistics undergraduate academic studies curriculum students' evaluations
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