作者： 徐小力^1,2;左云波¹;吴国新²; （¹School of Mechanical and Vehicular Engineering,Beijing Institute of Technology;²Beijing Information Science and Technology University）

出处： 北京理工大学学报（英文版） 2008 第4期

关键词： instrument；manufacturing；instrumentation；flexible；developing；system(IFDS)；system；integration

摘要： The modern instrument manufacturing has many features, such as high technologies, multiple varieties and small quantities. Aiming at those features, a ...

作者： Chen Chao，Wang Zhi-Wen （Department of Physics，Beijing Institute of Technology；College of Physics and Electronic Technology，Liaoning Normal University）

出处： Communications in Theoretical Physics 2008 第50卷 第2期 P473-476

关键词： total；atomic；scattering；factors；electron；correlation；full；core；plus；correlation；method

摘要： Total atomic scattering factors for the 1s~23s ~2S states for the lithium isoelectronic sequence from Z = 3～10 are calculated by using the full core p ...

作者： Hu Xiaochun，Zhang Tonglai，Qiao Xiaojing，Yang Li，Zhang Jianguo，Cui Yan，Zhang Jin （School of Mechano-Electronic Engineering，Beijing Institute of Technology，State Key Laboratory of Explosion Science and Technology）

出处： 物理化学学报 2008 第24卷 第4期 P576-580

关键词： Trinitrophloroglucinol；ATZ；TNPG；Preparation；Crystal；structure；Thermal；decomposition

摘要： 制备得到标题化合物并对其进行了元素分析与红外光谱分析.用X射线衍射方法测得其晶体结构属于正交晶系,空间群Pbca,晶胞参数a=0.6624（2）nm,b=1.7933（4）nm,c=2.3117（5）nm,V=2.7458（9）nm~3,Z=4,D_c=1.849g·cm~(-3).其分子式可写作（ ...

作者： ZHENG ShiWang，XIE JiaFang，LI YanMin （Department of Physics and Information Engineering，Shangqiu Teachers College；Department of Mechanics，Beijing Institute of Technology）

出处： Communications in Theoretical Physics 2008 第49卷 第4期 P851-854

关键词： nonholonomic；system；Tzénoff；equations；Mei；symmetry；conserved；quantity

摘要： Mei symmetry of Tzénoff equations for nonholonomic systems of non-Chetaev\'s type under the infinitesimal transformations of groups is studied. Its de ...

作者： LIU Chang，ZHU Na，MEI Feng-Xiang，GUO Yong-Xin （Department of Mechanics，Faculty of Science，Beijing Institute of Technology；College of Science，Dalian Fisheries University；College of Physics，Liaoning University）

出处： Communications in Theoretical Physics 2008 第50卷 第5期 P1065-1068

关键词： first-order；Lagrange；systems；infinitesimal；transformations；conformal；invariance；Noether；conserved；quantities

摘要： In this paper the conformal invariance by infinitesimal transformations of first-order Lagrange systems is discussed in detail. The necessary and suff ...

作者： WU Hong-Xia，ZENG Yun-Bo，FAN Tian-You （Department of Mathematics, Jimei University, Xiamen 361021, China；Department of Mathematics, Beijing Institute of Technology, Beijing 100081, China；Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China；Department of Mathematics, Beijing Institute of Technology, Beijing 100081, China）

出处： 理论物理通讯：英文版 2008 第49卷 第3期 P529-534

关键词： the；extended；KdV；equation；singular；soliton；positon；negaton；Darboux；transformation

摘要： Darboux transformation (DT) provides us with a comprehensive approach to construct the exact and explicit solutions to the negative extended KdV (eKdV ...

作者： CUI Wei （School of Information Science and Technology Beijing Institute of Technology,,Beijing 100081,China）

出处： 北京理工大学学报（英文版） 2008 第1期 P76-80

关键词： wave；pipelining；coordinate；rotational；digital；computer(CORDIC)；algorithm；pipeline；latency；path；balance；performance；comparison

摘要： The implementation of the coordinate rotational digital computer (CORDIC) algorithm with wave pipelining technique on field programmable gate array (F ...

作者： （School of Information Science and Technology，Beijing Institute of Technology，Beijing 100081，China）

出处： 电子学报(英文版) 2008 第17卷 第2期 P320-324

关键词： 压缩比率；数据函数；平行线；构造学

作者： 潘曦，崔占忠 （School of Aerospace Science and Engineering Beijing Institute of Technology,School of Aerospace Science and Engineering,Beijing Institute of Technology,,Beijing 100081,China,Beijing 100081,China）

出处： 北京理工大学学报（英文版） 2008 第1期 P62-66

关键词： fuze；Doppler；signal；near-field；target；characteristics；impact；fuze；proximity；fuze

摘要： A system for simulating and analyzing the Doppler signal of air-target fuse is established by constructing two parts: Doppler signal testing with simu ...

作者： 王亚斌，刘明杰，谭惠民 （School of Aerospace Science and Engineering Beijing Institute of Technology,School of Aerospace Science and Engineering,Beijing Institute of Technology,School of Aerospace Science and Engineering,Beijing Institute of Technology,,Beijing 100081,China,Beijing 100081,China,Beijing 100081,China）

出处： 北京理工大学学报（英文版） 2008 第1期 P10-13

关键词： fuze；projectile；fuzzy；theory；launching；overload；white；noise

摘要： The method which can simulate the stochastic process of the overload during the course of a projectile launching is discussed in detail. The calculate ...