作者: Liang, H;Yu, QG;Gu, JL;Wang, ZG;Fu, RN
出处: CHINESE SCIENCE BULLETIN 1996 Vol.41 No.2 P175-176
作者: 阎吉祥,俞信,赵达尊 (北京理工大学)
出处: 光学技术 1996 第22卷 第5期 P5-9
关键词: 自适应光学;多层共轭校正;相位层析
摘要: 假定大气湍流集中在两薄层内,借助分层大气相关长度与整个大气层相关长度的关系,给出待求相位分布与测量结果相关的超定方程组,进而构造残差方程组,并按最小二乘法原理导出正则方程组,通过求解这组正则方程,首次得到原超定方程组的最小二乘解。
作者: 陈权,恽寿榕 (北京理工大学力学工程系)
出处: 爆炸与冲击 1996 第4期 P326-332
关键词: 超细金刚石;爆轰;相变
摘要: 就爆轰合成超细金刚石的机理进行探讨:1.传统的碳相图已不能作为爆轰合成过程的依据;2.由于存在等离子体-晶体的直接相变,整个过程可能有几种相变作用共存;3.爆炸容器中的介质对产物有重要的影响。最后,提出了对整个问题进行研究所应遵循的规律。
作者: 林家明 (北京理工大学)
出处: 激光与红外 1996 第4期 P258-260
关键词: 近红外;低照度;黑白CCD摄像机
摘要: 对黑白CCD摄像机的光谱响应特性进行了分析,讨论了近红外光谱特性和低照度下CCD摄像机的光谱响应之间的关系,介绍了在低照度和近红外照明下,黑白CCD摄像机的使用条件
作者: 朱宝亮,刘莉 (北京理工大学)
出处: 光学技术 1996 第22卷 第3期 P27-40
关键词: 激光扫平仪;激光平地机;激光自动控制
摘要: 本文介绍了一种用于农田水利的激光扫平自动控制系统。该系统由激光发射头、万向传感器及控制箱三部分组成。激光发射头采用He-Ne激光器、功率2mW,准直光束直径小于14mm,扫描转速0~500r/min,万向传感器分6层,由54个高灵敏激光探测器组成,工作半径150m,粗平精度±40mm,精平精度±10 ...
作者: Zhang, Wenzheng1;Xue, Jincheng1;Zhang, H. W.1;Zhou, Jijun1; (1School of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing 100081, China)
出处: Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 1996 Vol.16 No.2 P220-223
摘要: Discusses the process of development of an intelligent pH meter. Making full use of the integrated hardware and the flexible instruction system provid ...
作者: Feng, Zengguo1;Hou, Zhulin1;Li, Zaifeng1; (1School of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing T00081, China)
出处: Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 1996 Vol.16 No.2 P138-142
摘要: A parametric study has been made in the preparation of hydroxylterminated epichlorohydrin polymer(PECH) with anhydrous SnQ4 as a catalyst and 1, 3-pro ...
作者: Jiang, Jian1;Zhang, H. W.1;Xue, Jincheng1;Zhang, Wenzheng1; (1School of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing 100081, China)
出处: Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 1996 Vol.16 No.3 P328-332
摘要: Describes the operating principle, hardware configuration and software design of the microcomputer control system concerned. Due to the complicacy and ...
作者: Zhao, Hong1; (1Department of Optical Engineering, Beijing Institute of Technology, Beijing 100081, China)
出处: Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 1996 Vol.16 No.4 P413-417
摘要: On the basis of "three steps modd' and "diffusion equation", the author discusses the dependence of quantum efficiencies for GaAs/GaAlAs transmission ...
作者: Tang, Guangshi1;Li, Rongzhi1;Zhu, Hesun1; (1Center for Research on Materials Science, Beijing Institute of Technology, Beijing 100081, China)
出处: Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 1996 Vol.16 No.2 P199-201
摘要: Conditions of crystal growth of Fullerene (C60) in a liquid were studied and pure monocrystalline C60 crystals with sizes of some mm were obtained. So ...
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