作者: Zhou, Yu Zhi2;Li, Se3;Li, Qian Shu1;Zhang, Shao Wen1 (1 Beijing Inst Technol, Inst Chem Phys, Beijing 100081, Peoples R China. ;2 Beijing Inst Educ, Beijing 100044, Peoples R China. ;3 No Michigan Univ, Dept Chem, Marquette, MI 49855 USA.)
出处: JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM 2008 Vol.854 No.1-3 P40-45
关键词: TRANSITION-STATE THEORY; CARBOXYL FREE-RADICALS; PEROXYACETYL NITRATE; CAGE REACTIONS; RATE CONSTANTS; DECOMPOSITION; ACETYLOXYL; PEROXIDE; CH3O+CO; ACIDS
摘要: A theoretical study on the decarboxylation reaction of CH3CO2 radical at the MP2 level of theory has been carried out. It is found that the thermal re ...
作者: Yang, Aiying1;Qiao, Yaojun2;Sun, Yu-Nan1 (1 Beijing Inst Technol, Optoelect Engn Dept, Beijing 100081, Peoples R China. ;2 Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Opt Commun & Lighwave Technol, Beijing 100876, Peoples R China.)
出处: MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 2008 Vol.50 No.6 P1632-1634
关键词: FILTERS; POWER
摘要: Optical channel pre-emphasis equalization is experimentally researched for a 270 km 40 x 40 Gbit/s WDM transmission system with three EDFAs concatenat ...
作者: Tao, Ran1;Li, Xue-Mei1,2;Wang, Yue1 (1 Beijing Inst Technol, Dept Elect Engn, Beijing 100081, Peoples R China. ;2 Beijing Elect Sci & Technol Inst, Elect & Informat Engn Dept, Beijing 100070, Peoples R China.)
出处: IEEE SIGNAL PROCESSING LETTERS 2008 Vol.15 P365-368
关键词: FOURIER-TRANSFORM; SIGNALS
摘要: In this letter, we generalize the fractional Hilbert transform of a real signal to get an analytic version which contains no negative spectrum while m ...
作者: Liu, Yi-Dong1;Gao, Chunqing1;Gao, Mingwei1;Qi, Xiaoqing1;Weber, Horst2 (1 Beijing Inst Technol, Sch Informat Sci & Technol, Dept Optoelect, Beijing 100081, Peoples R China. ;2 Tech Univ Berlin, Inst Opt, D-10623 Berlin, Germany.)
出处: OPTICS COMMUNICATIONS 2008 Vol.281 No.14 P3636-3639
关键词: LIGHT; STATES; PHOTONS
摘要: A loop-like system with a Dove prism is used to generate a collinear superposition of two helical beams with different azimuthal quantum numbers in th ...
作者: Cao, Chuanbao1;Du, Hongli1;Xu, Yajie1;Zhu, Hesun1;Zhang, Taihua2;Yang, Rong2 (1 Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China. ;2 Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China.)
出处: ADVANCED MATERIALS 2008 Vol.20 No.9 P1738-+
关键词: SILICON-NITRIDE; ALPHA-SI3N4; GROWTH; MECHANICS; FIBERS; THIN
摘要: Silicon nitride with helical structure was prepared on a large scale by CVD. On the microscale, these coiled Si3N4 ceramics still possess superelastic ...
作者: Luan ShangMin1,2;Dai GuoZhong2 (1 Beijing Inst Technol, Sch Comp Sci & Technol, Beijing 100081, Peoples R China. ;2 Chinese Acad Sci, Inst Software, Beijing 100080, Peoples R China.)
出处: SCIENCE IN CHINA SERIES F-INFORMATION SCIENCES 2008 Vol.51 No.3 P240-257
关键词: BELIEF CHANGE; PROGRAMMABLE APPROACH; LOGIC
摘要: One of the important topics in knowledge base revision is to introduce an efficient implementation algorithm. Algebraic approaches have good character ...
作者: Xu, Yougen1;Liu, Zhiwen1;Wong, Kainam Thomas2;Cao, Jinliang1 (1 Beijing Inst Technol, Dept Elect Engn, Beijing 100081, Peoples R China. ;2 Univ Waterloo, Waterloo, ON N2L 3G1, Canada.)
出处: IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS 2008 Vol.44 No.4 P1291-1308
关键词: OF-ARRIVAL ESTIMATION; POLARIZATION ESTIMATION; SOURCE LOCALIZATION; STEERING VECTORS; ADAPTIVE ARRAY; ESPRIT; LOOPS
摘要: Herein derived are the lower and upper bounds for the number of linearly independent (2Q)th-order virtual steering vectors of an array of electromagne ...
作者: Chang Ping1;Shao Bin1;Wang Zhao-Ming1;Zou Jian1 (1 Beijing Inst Technol, Dept Phys, Beijing 10081, Peoples R China.)
出处: CHINESE PHYSICS LETTERS 2008 Vol.25 No.3 P1098-1101
关键词: CRITERION
摘要: We consider a composite system of two remote mesoscopic Josephson junctions interacting locally with a two-mode non-classical cavity field and investi ...
作者: Zhang Jian1;Shao Bin1;Zou Jian1 (1 Beijing Inst Technol, Dept Phys, Beijing 100081, Peoples R China.)
出处: COMMUNICATIONS IN THEORETICAL PHYSICS 2008 Vol.49 No.6 P1463-1467
摘要: By considering the intrinsic decoherence effect, we investigate the entropy exchange and entanglement in the interacting system of a superconducting c ...
作者: Fei, Wang1;Bing-Cong, Gou1 (1 Beijing Inst Technol, Dept Phys, Beijing 100081, Peoples R China.)
出处: CHINESE PHYSICS B 2008 Vol.17 No.4 P1227-1230
关键词: HE
摘要: This paper uses the two-centre atomic orbital close-coupling method to study the ionization and the single electron capture in collision of highly cha ...
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