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[期刊论文] 作者：China National Space Administr,
来源：空间科学学报 年份：2004
Currently, space activities are very active around the world....Space technologies continuously expand to various areas of human activities, and space technology...
[期刊论文] 作者：Zhang Gengxin,Xie Zhidong,Bian,
来源：电子科学学刊（英文版） 年份：2004
Deep space communications has played an important role in deep space exploration.Compared with common...satellite and terrestrial communications,deep space commun...
[期刊论文] 作者：Xiuhong FENG,Lin ZHU,Yanlin YU,
来源：数学年刊B辑（英文版） 年份：2004
In this paper, based on the Pauli matrices, a notion of augmented spinor space is introduced, and a uniqueness...of such augmented spinor space of rank n is prove...
[期刊论文] 作者：Handan Yildirim,
来源：数学物理学报（英文版） 年份：2004
In this article, we give the area formula of the closed projection curve of a closed space curve in Lorentzian...3-space L3....
[期刊论文] 作者：CHEN Nuofu,CHEN Wanchun,LIU Ya,
来源：空间科学学报 年份：2004
New progress in the post researches on space grown materials, the development of experiment facilities..., and the experiment techniques for space materials resear...
[期刊论文] 作者：Baomin FENG,Guangcheng MA,Qiyo,
来源：控制理论与应用 年份：2004
This paper studies the tracking control problem of a free-floating space robot in a task space.Considering...
[期刊论文] 作者：,
来源：空间科学学报 年份：2004
This paper presents Chinese space environment detection and parts of results,and gives a short perspective...of space environment observations on Chinese future s...
[期刊论文] 作者：ZHANG Li,ZENG Honggang,
来源：天津大学学报（英文版） 年份：2004
investigate the boundedness or compactness of composition operator from the logarithmic Bloch-type space...to the Bergman space on the unit polydisc,t...
[期刊论文] 作者：Gong Jiancun,Liu Siqing,Shi Li,
来源：空间科学学报 年份：2004
During the past two years, space environment has achieved great development in space environment monitoring..., model research, system developing and space environ...
[期刊论文] 作者：左维,李春来,徐琳,刘剑,刘建军,
来源：Chinese Journal of Geochemistry 年份：2004
Space debris is very dangerous to the security of on-the-orbit spacecrafts, and it is increasing in number...at high speed with the expansion of human space explo...
[期刊论文] 作者：,
来源：Bulletin of the Chinese Academy of Sciences 年份：2004
Space science is devoted to the studies of natural phenomena, whether physical, astronomical, chemical...or biological,Space science is devoted to the studies o...
[期刊论文] 作者：Information Office of the Stat,
来源： 年份：2004
Preface Outer space is the common wealth of mankind.Exploration,development and utilization of outer...space are an unremitting pursuit of mankind.Space activitie...
[期刊论文] 作者：Zheng MAO,Xiaojun QU,Fuling WE,
来源：控制理论与应用（英文版） 年份：2004
In this paper,a tracking system with space virtual feedback(SVF)is presented.The whole tracking system...is closed by the space virtual feedback line that is the...
[期刊论文] 作者：Fengwen AN,
来源：数学年刊B辑（英文版） 年份：2004
The author first introduces the notion of affine structures on a ringed space and then obtains several...Affine structures on a ringed space,...
[期刊论文] 作者：S.S.CHERN,
来源：数学年刊B辑 年份：2004
A simple derivation of the Connection in Finsler space....
[期刊论文] 作者：刘晓雯,
来源：文艺生活·文艺理论 年份：2004
Residential space has developed greatly in 20 century,especially on the bright and open space require-ments...
[期刊论文] 作者：Rafael Geraldeli Rossi,Alneu d,
来源：计算机科学技术学报（英文版） 年份：2004
Usually the vector space model is used to represent text collections. The...
[期刊论文] 作者：,
来源：NATION 年份：2004
Science fiction is becoming a reality with China's first robotic cargo ship firmly anchored in space,...paving the way for a manned space station around 2022....
[期刊论文] 作者：SU Ya-ru,WANG Ru-jing,CHEN Pen,
来源：城市道桥与防洪 年份：2004
Feature optimization is important to agricultural text mining.Usually,the vector space model is used...to represent text documents.However,this basic approach sti...
Space-time spreading and space-time coding for correlated frequency-selective channel in the presenc
[期刊论文] 作者：Xiao Hailin,Nie Zaiping,Li Xin,
来源：高技术通讯（英文版） 年份：2004
The space-time spreading (STS), superimposed training sequences and space-time coding (STC) are adopted...
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