作者： Xiang-Wei, Chen¹;Shao-Kai, Luo¹³;Mei, Fengxiang²; （¹Department of Physics, Shangqiu Teachers College, Shangqiu, Henan 476000, China;²Department of Applied Mechanics, Beijing Institute of Technology, Beijing 10081, China;³Institute of Mathematical Mechanics and Mathematical Physics, Changsha University, Changsha 410003, China）

出处： Applied Mathematics and Mechanics (English Edition) 2002 Vol.23 No.1 P53-57

摘要： The form invariance of constrained Birkhoffian system is a kind of invariance of the constrained Birkhoffian equations under infinitesimal transformat ...

作者： Liu, Hui¹;Xiang, Changle¹;Zheng, Muqiao¹;Zhong, Zaimin¹; （¹Beijing Inst. of Technol., Beijing 100081, China）

出处： Jixie Gongcheng Xuebao/Chinese Journal of Mechanical Engineering 2002 Vol.38 No.1 P135-137+153

摘要： The model of hydrodynamic torque converter is built and the system frequency response is established by experiments. Several evaluation methods in Mat ...

作者： Huang, YF;Li, L;An, LS;Wang, YT

出处： International Optical Design Conference TUCSON, AZ 2002

会议录： Vol.4832 534-537

摘要： Methods of getting uniform illumination are introduced in this paper. Studies on a new optical components - Rod lens are carried out and rules of its ...

作者： Tan, W;Liu, SH;Liu, B;Gao, BQ

出处： 3rd International Symposium on Electromagnetic Compatibility BEIJING, PEOPLES R CHINA 2002

会议录： 497-500

摘要： The transient electric fields caused by contact discharge in the IEC61000-4-2 standard set-up are measured using a broadband loaded. V-antenna. The re ...

作者： Wang, LH;Fei, YC;Guo, DC;Ning, C

出处： 3rd International Conference on Microwave and Millimeter Wave Technology BEIJING, PEOPLES R CHINA 2002

会议录： 755-757

摘要： Direct digital synthesis (DDS) is a new signal synthesis technique developed very fast in recent years. Because of its all digital construction,it pos ...

作者： Wei, DD;Xu, XW

出处： 3rd International Conference on Microwave and Millimeter Wave Technology BEIJING, PEOPLES R CHINA 2002

会议录： 626-629

摘要： The difficulty of singular integral occurred when we compute the electromagnetic scattering by Surfaces of arbitrary shape using the model presented b ...

作者： Yang, Y;Liu, YS;Xi, H;Xi, Z

出处： Conference on Electronic Imaging and Multimedia Technology III SAHNGHAI, PEOPLES R CHINA 2002

会议录： Vol.4925 482-486

摘要： Based on the idea of multi-resolution model, this article proposes a quarter-tree multi-resolution model of three-dimension terrain and a simplificati ...

作者： Gao, HM;Wang, B;Yu, XZ

出处： 4th World Congress on Intelligent Control and Automation SHANGHAI, PEOPLES R CHINA 2002

会议录： 1520-1523

摘要： The intelligent distant copy meter system is an important solution to improve the automatic level of energy management. The system is based on the app ...

作者： Ren, W;Gao, BQ;Yang, SM

出处： 3rd International Conference on Microwave and Millimeter Wave Technology BEIJING, PEOPLES R CHINA 2002

会议录： 646-649

摘要： In this paper, an improved method in finite-difference time-domain (FDTD) simulation is presented to analyze electromagnetic structures modeling with ...

作者： Ren, W;Ding, SR;Gao, BQ

出处： 3rd International Symposium on Electromagnetic Compatibility BEIJING, PEOPLES R CHINA 2002

会议录： 254-258

摘要： An analysis,of a broad wall slot coupler between two crossed rectangular waveguides used FDTD method is presented in,this paper. Two types of slot, a ...