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Chinese Academy of Sciences Institutional Repositories Grid
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浏览/检索结果: 共9条,第1-9条 帮助

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Combined carrier phase and code phase passive radiation source localisation method 期刊论文  OAI收割
IET RADAR SONAR AND NAVIGATION, 2020, 卷号: 14, 期号: 1, 页码: 147-155
作者:  
Li, Youyang;  Wang, Xue;  Lu, Xiaochun
  |  收藏  |  浏览/下载:20/0  |  提交时间:2020/11/09
Convolution Quadrature Methods for Time-Space Fractional Nonlinear Diffusion-Wave Equations 期刊论文  OAI收割
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS, 2019, 卷号: 9, 期号: 3, 页码: 538-557
作者:  
Huang, Jianfei;  Arshad, Sadia;  Jiao, Yandong;  Tang, Yifa
  |  收藏  |  浏览/下载:70/0  |  提交时间:2020/01/10
Competition between two parametric processes in a pump source of terahertz-wave difference frequency generation 期刊论文  OAI收割
JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2018, 卷号: 51, 期号: 39, 页码: 1-5
作者:  
Liu PX(刘鹏翔);  Qi F(祁峰);  Pang, Zibo;  Li WF(李惟帆);  Lai, Zhanping
  |  收藏  |  浏览/下载:23/0  |  提交时间:2018/09/09
Improving nonlinear performance of the HEPS baseline design with a genetic algorithm 期刊论文  OAI收割
CHINESE PHYSICS C, 2016, 卷号: 40, 期号: 7
作者:  
Jiao Y(焦毅);  Jiao, Y
  |  收藏  |  浏览/下载:22/0  |  提交时间:2017/07/25
Proposal for a high brightness gamma-ray source at the SXFEL 期刊论文  OAI收割
NUCLEAR SCIENCE AND TECHNIQUES, 2015, 卷号: 26, 期号: 5, 页码: —
作者:  
Wu, HL;  Chen, JH;  Liu, B;  Wang, D;  Zhao, ZT
收藏  |  浏览/下载:28/0  |  提交时间:2016/03/04
An efficient color transfer algorithm for recoloring multiband night vision imagery (EI CONFERENCE) 会议论文  OAI收割
Enhanced and Synthetic Vision 2010, April 6, 2010 - April 6, 2010, Orlando, FL, United states
作者:  
Xu S.
收藏  |  浏览/下载:23/0  |  提交时间:2013/03/25
A color transfer method is presented to give fused multiband nighttime imagery a natural daytime color appearance in a simple and efficient way. Instead of using the traditional nonlinear l space  the proposed method transfers the color distribution of the target image (daylight color image) to the source image (fused multiband nighttime imagery) in the linear YCBCR color space. The YCBCR transformation is simpler and more suitable for image fusion compared to the l conversion. The YCBCR transformation can be extended into a general formalism. And the paper mathematically proves that  for color transfer  using color spaces conforming to this general YC BCR space framework can produce same recoloring results as using the YCBCR space. Experimental results demonstrate that the YCBCR based color transfer method works surprisingly well for transferring natural color characteristics of daylight color images to false color fused multiband nighttime imagery  and moreover  can also be successfully applied to recoloring a variety of color images. 2010 SPIE.  
An efficient color transfer method for fusion of multiband nightvision images (EI CONFERENCE) 会议论文  OAI收割
2009 International Conference on Information Engineering and Computer Science, ICIECS 2009, December 19, 2009 - December 20, 2009, Wuhan, China
作者:  
Xu S.
收藏  |  浏览/下载:18/0  |  提交时间:2013/03/25
Nonlinear adaptive blind whitening for MIMO channels 期刊论文  OAI收割
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2005, 卷号: 53, 期号: 8, 页码: 2635-2647
作者:  
Chen, HF;  Cao, XR;  Fang, HT;  Zhu, J
  |  收藏  |  浏览/下载:16/0  |  提交时间:2018/07/30
All-solid-stated laser controller design based on digital optical feedback (EI CONFERENCE) 会议论文  OAI收割
Lasers in Material Processing and Manufacturing II, November 10, 2004 - November 12, 2004, Beijing, China
作者:  
Liu L.;  Wang J.-L.;  Wang J.-L.;  Liu L.
收藏  |  浏览/下载:27/0  |  提交时间:2013/03/25
The new design about a CW  digital all-solid-stated LD pumped Nd:YVO 4 controller is introduced. The stable output power of this digital laser controller which adopts Digital Signal Processor(TMS320C31) is approximately 20mW. The whole system is composed of constant- current source  protection circuit  pulse-width modulation circuit  Si-photo-detector and amplified circuit and Digital Signal Processor control system  etc. In terms of error deviation Based on nonlinear control curves of LD power output by Si-photo-detector  the region control can be obtained by means of the PID control algorithm in the software platform  that is  error amendment and high stability laser power output can be achieved. And the precision of temperature control can reduce from 0.2C to 0.04C. By adopted integral separated mode PID control algorithm  the LD output power instability ( %) down to 2%. By way of adopting the new digital design  the work to protect the laser diode  including the continuous adjustable output power with high accuracy and stability  is easily obtained. The internal-external modulation control of the laser power based on digital optical feedback can be accomplished with stable power output. At last  the bringing reasons of noise are analyzed and the solving methods are put forward in this paper.