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浏览/检索结果: 共10条,第1-10条 帮助

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Evaluating the Space Use of Large Railway Hub Station Areas in Beijing toward Integrated Station-City Development 期刊论文  OAI收割
LAND, 2021, 卷号: 10, 期号: 11, 页码: 22
作者:  
Liang, Ying;  Song, Wei;  Dong, Xiaofeng
  |  收藏  |  浏览/下载:21/0  |  提交时间:2022/09/21
Evaluating the Space Use of Large Railway Hub Station Areas in Beijing toward Integrated Station-City Development 期刊论文  OAI收割
LAND, 2021, 卷号: 10, 期号: 11, 页码: 22
作者:  
Liang, Ying;  Song, Wei;  Dong, Xiaofeng
  |  收藏  |  浏览/下载:17/0  |  提交时间:2022/09/21
Research and Analysis on the Identification Technology of User Group Network in Distribution Station Area 会议论文  OAI收割
Xi'an, China, December 19-20, 2020
作者:  
Zuo, Yue;  Cui SJ(崔世界);  Zhang, Qi;  Zhu, Lianyong
  |  收藏  |  浏览/下载:24/0  |  提交时间:2021/05/10
A rapid identification method for severely earthquake-damaged areas based on damaged mobile phone base stations in China 期刊论文  OAI收割
ENVIRONMENTAL EARTH SCIENCES, 2016, 卷号: 75, 期号: 8
作者:  
Zhang, XY;  Lu, QS;  Ning, BK;  Huang, ZY
收藏  |  浏览/下载:25/0  |  提交时间:2016/10/08
Changes in sediment discharge in a sediment-rich region of the Yellow River from 1955 to 2010: implications for further soil erosion control 期刊论文  OAI收割
JOURNAL OF ARID LAND, 2014, 卷号: 6, 期号: 5, 页码: 540-549
作者:  
Jiao, JuYing;  Wang, ZhiJie;  Zhao, GuangJu;  Wang, WanZhong;  Mu, XingMin
收藏  |  浏览/下载:34/0  |  提交时间:2015/12/09
黄河班多水电站荒草地坡面侵蚀过程试验研究 期刊论文  OAI收割
节水灌溉, 2012, 期号: 11, 页码: 42-45
王莎; 王占礼; 马春艳
收藏  |  浏览/下载:23/0  |  提交时间:2014/10/14
Station mode for attitude determination of small-multi-target with high speed (EI CONFERENCE) 会议论文  OAI收割
2010 International Conference on E-Product E-Service and E-Entertainment, ICEEE2010, November 7, 2010 - November 9, 2010, Henan, China
作者:  
Wang J.;  Zhao L.;  Li M.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
A key problem of attitude measurement of small-multi-target with high speed is how to decide the optimum of the CMOS stations. A multi-CMOS station mode is designed in this paper  multiple CMOS videos were placed on two parallel sides in measurement system  every two CMOS form an intersection viewing field  multiple viewing field join to cover shooting range  which can augment Effective Viewing Field(EVF)  increase capture ratio of objects with high speed and measurement precision of small objects. When an object passes through the joint area  it will be imaged separately on each CMOS focal plane. Multiple CMOS videos were triggered synchronously  a sequence of image information was extracted  the target attitude was confirmed by digital image processing technology. The merit of station mode is low cost  large measurement scope  extending freely and so on. 2010 IEEE.  
A satellite clock error correction method in the wide area differential system 期刊论文  OAI收割
CHINESE SCIENCE BULLETIN, 2009, 卷号: 54, 期号: 24, 页码: 4616-4623
Cai ChengLin; Li XiaoHui; Wu HaiTao; Chang XingWang
收藏  |  浏览/下载:22/0  |  提交时间:2012/09/05
Geometrical modulation transfer function of different active pixel of CMOS APS (EI CONFERENCE) 会议论文  OAI收割
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, November 2, 2005 - November 5, 2005, Zian, China
作者:  
Li J.;  Liu J.;  Liu J.;  Liu J.;  Li J.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
The geometrical Modulation Transfer Function (MTF) of CMOS APS (active pixel sensor) is analyzed in this paper. Advanced APS have been designed and fabricated where different pixel shapes such as square  rectangle and L shape  were placed  because the amplifier circuit and other function circuits inter pixel of APS take up some pixel area. MTF is an important figure of merit in focal plane array imaging sensors. Research on analyzing the MTF for the proper pixel shape is currently in progress for a centroidal configuration of a target position. MTF will give us a more complete understanding of the tradeoffs opposed by the different pixel designs and by the signal processing conditions. Based on image sensor sampling and reconstructing model  the MTF expression of any active pixel shape has been deduced in this paper. According to actual pixel shape  three different active area pixels were analyzed  they were square  rectangle  and L shape  their Fill Factor (FF) is 30%  44% and 55%  respectively. Results of simulation experiments indicate that different pixel geometrical characteristics contribute significantly to the figures of their MTF. Different geometrical shape of active sensitive area of pixel and different station in pixel would influence MTF figures. The analysis results are important in designing better APS pixel and more important in analyzing imaging system performance of APS subpixel precision system.