中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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Uniqueness of twisted linear periods and twisted Shalika periods 期刊论文  OAI收割
SCIENCE CHINA-MATHEMATICS, 2020, 卷号: 63, 期号: 1, 页码: 1-22
作者:  
Chen, Fulin;  Sun, Binyong
  |  收藏  |  浏览/下载:16/0  |  提交时间:2020/05/24
A novel multi-period mixed-integer linear optimization model for optimal distribution of byproduct gases, steam and power in an iron and steel plant 期刊论文  OAI收割
ENERGY, 2018, 卷号: 143, 页码: 881-899
作者:  
Zeng, Yujiao;  Xiao, Xin;  Li, Jie;  Sun, Li;  Floudas, Christodoulos A.
  |  收藏  |  浏览/下载:41/0  |  提交时间:2018/06/11
Indefinite Mean-Field Stochastic Linear-Quadratic Optimal Control 期刊论文  OAI收割
IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 2015, 卷号: 60, 期号: 7, 页码: 1786-1800
作者:  
Ni, Yuan-Hua;  Zhang, Ji-Feng;  Li, Xun
  |  收藏  |  浏览/下载:33/0  |  提交时间:2018/07/30
油气管道建设工程对西北荒漠草原区生态环境影响的定量研究 学位论文  OAI收割
博士, 北京: 中国科学院研究生院, 2015
作者:  
肖峻
收藏  |  浏览/下载:39/0  |  提交时间:2016/08/09
Estimating woody above-ground biomass in an arid zone of central Australia using Landsat imagery 期刊论文  OAI收割
JOURNAL OF APPLIED REMOTE SENSING, 2015, 卷号: 9, 页码: 1690-1694
作者:  
Wang, Zhihui;  Bastin, Gary N.;  Liu, Liangyun;  Caccetta, Peter A.;  Peng, Dailiang
收藏  |  浏览/下载:27/0  |  提交时间:2016/04/20
网络控制系统控制器设计和稳定性分析 学位论文  OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2009
作者:  
郭新兰
收藏  |  浏览/下载:58/0  |  提交时间:2015/09/02
on a class of pseudorandom sequences from elliptic curves over finite fields 期刊论文  OAI收割
Ieee Transactions on Information Theory, 2007, 卷号: 53, 期号: 7, 页码: 3,5-6
Hu Honggang; Hu Lei; Feng Dengguo
  |  收藏  |  浏览/下载:19/0  |  提交时间:2010/03/11
on a class of pseudorandom sequences from elliptic curves over finite fields 期刊论文  OAI收割
IEEE TRANSACTIONS ON INFORMATION THEORY, 2007, 卷号: 53, 期号: 7, 页码: 2598-2605
Hu Honggang; Hu Lei; Feng Dengguo
  |  收藏  |  浏览/下载:16/0  |  提交时间:2011/07/01
Key techniques of laser direct writing of fine lines on the spherical surface (EI CONFERENCE) 会议论文  OAI收割
ICO20: Optical Design and Fabrication, August 21, 2005 - August 26, 2005, Changchun, China
Liang F.; Hu J.
收藏  |  浏览/下载:19/0  |  提交时间:2013/03/25
The main principles of laser direct writing (LDW) system for lines on the spherical surface (SS) are discussed. It is pointed out that line profile is determined by the exposure dose distribution  which lies on the light intensity distribution of focus plane and the scanning speed. To improve the quality of line profile on the SS  several key techniques as follows are introduced. Firstly  the unique system configuration  four axes mutually intersecting at the center of the SS  is adopted  which ensures the shape of the focus be maintained circular during the writing period. Secondly  an automatic focus system (AFS) with the function of automatic focus in a certain range is introduced. Thirdly  to guarantee the linear velocity to accord with the exposure character of the photoresist all the time  an efficient arithmetic that controls motors run at appropriate angular velocity in different latitude is developed. Finally  to achieve a stable and well-behaved system so as to compensate the velocity instability resulting from unavoidable errors of mechanical and electronics factor  a powerful programmable multi-axis controller (PMAC) is utilized as the kernel element of the servocontrol system  and the curves of step response and parabolic response achieved by feedforward and PID loop tuning indicate that the location precision and velocity stability have reached a high level. The experimental results of LDW of lines on the SS work piece with a diameter 30 mm and a radius equal to 100 mm are given. The section analysis of the lines on the photoresist by the atomic force microscope (AFM) after exposure and development is performed. The results show that line width is about 3.0 m  and the steep sides of the lines are parallel to each other.