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检索条件"作者=3 China Academy of Space Technology,Beijing 100049,China"
38583 条 记 录,以下是111-120 订阅
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Multi-channel SAR imaging based on distributed compressive sensing
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Science china(Information Sciences) 2012年 第2期55卷 245-259页
作者: LIN YueGuan1,2,3,ZHANG BingChen1,2,JIANG Hai1,2,3,HONG Wen1,2 & WU YiRong1,2 1National Key Laboratory of Science and technology on Microwave Imaging,beijing 100190,china 2Institute of Electronics,Chinese academy of Sciences,beijing 100190,china 3Graduate University of Chinese academy of Sciences,beijing 100049,china 1. National Key Laboratory of Science and technology on Microwave Imaging Beijing 100190 China2. Institute of Electronics Chinese Academy of Sciences Beijing 100190 China3. Graduate University of Chinese Academy of Sciences Beijing 100049 China
The rapid development of compressive sensing(CS)shows that it is possible to recover a sparse signal from very limited *** aperture radar(SAR)imaging based on CS can reconstruct the target scene with a reduced number ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
中国政治经济学年度发展报告(2023)(下)
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政治经济学评论 2024年 第3期 90+207-208页
作者: Center for Studies of Contemporary Political Economy,Research Institute for 21st-Century Marxism,Nankai University·University of Chinese academy of Social Science Center for Teaching and Research on Capital,Renmin University of china National Institute of Socialist Political Economy with Chinese Characteristics,Renmin University of china 南开大学·中国社会科学院大学21世纪马克思主义研究院当代政治经济学研究中心 中国人民大学 《资本论》教学与研究中心 中国人民大学全国中国特色社会主义政治经济学研究中心
编者按2023年,高质量发展扎实推进,新质生产力加快形成,我国经济总体回升向好,圆满实现发展主要预期目标。为针对性地破解经济恢复发展中的难题,聚焦推进中国式现代化进程中的重点、难点问题,中国政治经济学界开展系统深入研究,...
来源: 同方期刊数据库 同方期刊数据库 人大复印报刊资料 评论
The effects of shock wave and quasi-traveling wave in the mechanical impact test
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Science china(Technological Sciences) 2010年 第9期53卷 2535-2541页
作者: WU Mei1,5,SUN ZhongFeng2,ZHANG LuMei3,CHEN Yong1 & JI LinHong4 1 Institute of High Energy Physics,Chinese academy of Sciences,beijing 100049,china 2 School of Mathematical Sciences,Peking University,beijing 100871,china 3 High School of Central University for Nationalities,beijing 100081,china 4 Institute of Mechanical Design,Department of Precision Instruments and Mechanology,Tsinghua University,beijing 100084,china 5 academy of Opto-electronics,Chinese academy of Sciences,beijing 100190,china 1. Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China5. Academy of Opto-electronics Chinese Academy of Sciences Beijing 100190 China2. School of Mathematical Sciences Peking University Beijing 100871 China3. High School of Central University for Nationalities Beijing 100081 China4. Institute of Mechanical Design Department of Precision Instruments and Mechanology Tsinghua University Beijing 100084 China
It is well-known that the numerical value is always larger than the measured value,amounting to many times,if we calculate the stress of the specimen in the impulse test using the NASTRAN and ANSYS (N-A) *** believe t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Nonlinear autoregressive models with heavy-tailed innovation
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Science china Mathematics 2005年 第3期48卷 333-340页
作者: JIN Yang & AN Hongzhi School of Statistics, Renmin University of china, beijing 100872, china academy of Mathematics and Systems Science, Chinese academy of Sciences, beijing 100080, china Sch. of Statistics Renmin Univ. of China Beijing 100872 China Acad. of Mathematics and Syst. Sci. Chinese Acad. of Sci. Beijing 100080 China
In this paper, we discuss the relationship between the stationary marginal tail probability and the innovation's tail probability of nonlinear autoregressive models. We show that under certain conditions that ensure t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Eclogites in the interior of the Tibetan Plateau and their geodynamic implications
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Chinese Science Bulletin 2009年 第15期54卷 2556-2567页
作者: ZHANG KaiJun1,2 & TANG XianChun2,3 1 Department of Earth Sciences, Nanjing University, Nanjing 210093, china 2 Guangzhou Institute of Geochemistry, Chinese academy of Sciences, Guangzhou 510640, china 3 Graduate University of Chinese academy of Sciences, beijing 100049, china Department of Earth Sciences Nanjing University Nanjing 210093 China Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou 510640 China Graduate University of Chinese academy of Sciences Beijing 100049 China
Eclogites have been recently reported in the interior of the Tibetan Plateau, including in the central Qiangtang metamorphic belt, in the Basu metamorphic massif of the eastern Bangong-Nujiang suture zone, and at Song... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Monomial Hopf algebras over fields of positive characteristic
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Science china Mathematics 2006年 第3期49卷 320-329页
作者: LIU Gongxiang & YE Yu Institute of Mathematics, academy of Mathematics and Systems Science, Chinese academy of Sciences, beijing 100080, china Department of Mathematics, University of Science and technology of china, Hefei 230026, china Institute of Mathematics Academy of Mathematics Systems Science Chinese Academy of Sciences Beijing 100080 China Department of Mathematics University of Science technology of china Hefei 230026 China
In this paper, we study the structures of monomial Hopf algebras over a field of positive characteristic. A necessary and sufficient condition for the monomial coalgebra Cd(n) to admit Hopf structures is given here, a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Optimization of mathematical models for thematic maps
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Science china(Technological Sciences) 2010年 第S1期53卷 15-24页
作者: QI QingWen1,ZHANG An1,JIANG LiLi1,ZOU XiuPing2,XU Li3 & CHENG Xi1,4 1 Institute of Geographical Sciences and Natural Resources Research,Chinese academy of Sciences,beijing 100101,china 2 Institute of Policy and Management,Chinese academy of Sciences,beijing 100080,china 3 Taishan University,Taian 271021,china 4 Graduate University of Chinese academy of Sciences,beijing 100049,china Chinese Acad Sci Inst Geog Sci & Nat Resources Res Beijing 100101 Peoples R China Chinese Acad Sci Inst Policy & Management Beijing 100080 Peoples R China Taishan Univ Tai An 271021 Shandong Peoples R China Chinese Acad Sci Grad Univ Beijing 100049 Peoples R China
The thematic map is a major class of maps designed to demonstrate particular features or concepts,functioning as an indispensable tool in geographical *** process of thematic mapping is one into which geographical res... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Non-Gaussianity of Racetrack Inflation Models
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Communications in Theoretical Physics 2007年 第7期48卷 189-192页
作者: SUN Cheng-Yit ZHANG De-Hai Department of Physics,The Graduate School of The Chinese academy of Sciences,beijing 100049,china Department of Physics The Graduate School of The Chinese Academy of Sciences Beijing 100049 China
In this paper,we use the result in[*** and ***,arXiv:astro-ph/0510709]to calculate thenon-Gaussianity of the racetrack models in[***-Pillado,et al.,JHEP 0411(2004)063;arXiv:hep-th/0406230]and[***-Pillado,et al.,arXiv:... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Three-dimensional decomposition method of global atmospheric circulation
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Science china Earth Sciences 2008年 第3期51卷 386-402页
作者: LIU HaiTao1,2,3, HU ShuJuan4, XU Ming5 & CHOU JiFan6,7 1 State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese academy of Sciences, beijing 100029, china 2 Graduate University of Chinese academy of Sciences, beijing 100049, china 3 beijing Climate Center, beijing 100089, china 4 Department of Mathematics, Lanzhou University, Lanzhou 730000, china 5 Shanghai Typhoon Institute, Shanghai 200030, china 6 Department of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, china 7 china Meteorological Administration Training Center, beijing 100089, china 1. State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China 2. Graduate University of Chinese academy of Sciences Beijing 100049 China 3. beijing Climate Center Beijing 100089 China 4. Department of Mathematics Lanzhou University Lanzhou 730000 China 5. Shanghai Typhoon Institute Shanghai 200030 China 6. Department of Atmospheric Sciences Lanzhou University Lanzhou 730000 China 7. china Meteorological Administration Training Center Beijing 100089 China
By adopting the idea of three-dimensional Walker, Hadley and Rossby stream functions, the global atmospheric circulation can be considered as the sum of three stream functions from a global perspective. Therefore, a m... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Pre-LOI trajectory maneuvers of the CHANG'E-2 libration point mission
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Science china(Information Sciences) 2012年 第6期55卷 1249-1258页
作者: WU WeiRen 1,LIU Yong 2,3,LIU Lei 2,3,ZHOU JianLiang 3,TANG GeShi 2,3 & CHEN YongZhi 3 1 Chinese Lunar Exploration and space Project Center,beijing 100037,china 2 Science and technology on Aerospace Flight Dynamics Laboratory,beijing 100094,china 3 beijing Aerospace Control Center,beijing 100094,china 1. Chinese Lunar Exploration and space Project Center Beijing 100037 China2. Science and Technology on Aerospace Flight Dynamics Laboratory Beijing 100094 China3. Beijing Aerospace Control Center Beijing 100094 China
This paper addresses pre-LOI (before Lissajous orbit insertion) trajectory maneuvers for the libration point mission of CHANG'E-2,which is the first Chinese satellite to fly to the Sun-Earth L2 libration point and the... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论