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Face Spoofing Detection based on 3D Lighting Environment Analysis of Image Pair 会议论文
Cancun, Mexico, 2016-12
作者:  Zhang, Xu;  Hu, Xiyuan;  Ma, Mingyang;  Chen, Chen;  Peng, Silong
收藏  |  浏览/下载：19/0  |  提交时间：2018/01/03
Using three-band model to retrieve chlorophyll-A of Yantai coastal waters 会议论文
Ocean Remote Sensing and Monitoring from Space, Beijing, China, October 15, 2014 - October 16, 2014
Ma, Wandong(1); Wu, Chuanqing(1); Yin, Shoujing(1); Zhu, Li(1); Wu, Di(1); Xing, Qianguo(2)
收藏  |  浏览/下载：49/0  |  提交时间：2015/08/10
Research of nano-TiO_2 composites on malachite green decolorizing effect 会议论文
International Conference on Energy and Environmental Protection
作者:  GAO Ru Qin[1];  HUANG Dou Dou[2];  WANG Zi Kuo[3]
收藏  |  浏览/下载：6/0  |  提交时间：2019/12/23
The photo-induced cathodal protection of 304SS with graded bandgap Ferrite/TiO2 nanostructures 会议论文
High-Performance Ceramics IV, Pts 1-3, 4th China International Conference on High-Performance Ceramics (CICC-4), Chengdu, PEOPLES R CHINA, Web of Science
Ling, Yunhan; Guo, Zhihong; Li, Hongyi; Jiang, Wufeng; Bai, Xinde
收藏  |  浏览/下载：2/0  |  提交时间：2017/06/15
Landscape Pattern Change analyses of land surface radiation during the city expansion, in Jinan City - art. no. 667919 会议论文
Proceedings of the Society of Photo-Optical Instrumentation Engineers (Spie)
Zhou X. Y.; Gao Z. Q.
收藏  |  浏览/下载：8/0  |  提交时间：2012/06/30
All-solid-stated laser controller design based on digital optical feedback (EI CONFERENCE) 会议论文
Lasers in Material Processing and Manufacturing II, November 10, 2004 - November 12, 2004, Beijing, China
Liu L.; Wang J.-L.; Zhou C.-Y.; Ge W.-Q.
收藏  |  浏览/下载：23/0  |  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.  
Application of geo-information science methods in ecotourism exploitation 会议论文
Proceedings of the Society of Photo-Optical Instrumentation Engineers (Spie)
Dong S. C.; Hou X. L.
收藏  |  浏览/下载：12/0  |  提交时间：2012/06/30
Heterogeneous photo-fenton oxidation of sodium pentachlorophenate using iron loaded Y zeolite as a catalyst (EI收录) 会议论文
ISWREP 2011 - Proceedings of 2011 International Symposium on Water Resource and Environmental Protection, Xi'an, China, May 20, 2011 - May 22, 2011
作者:  Li, Meng-Yao[1];  Wen, Hai-Hua[1];  Jiao, Jin-Liang[1];  Wen, Zhi-Zhong[1]
收藏  |  浏览/下载：9/0  |  提交时间：2019/04/15
Study on oxidation of sodium chlorophenols by heterogeneous photo-fenton (EI收录) 会议论文
ISWREP 2011 - Proceedings of 2011 International Symposium on Water Resource and Environmental Protection, Xi'an, China, May 20, 2011 - May 22, 2011
作者:  Li, Meng-Yao[1];  Jiao, Jin-Liang[1];  Wen, Hai-Hua[1];  Wen, Zhi-Zhong[1]
收藏  |  浏览/下载：2/0  |  提交时间：2019/04/15
Field effect of environmental degradation of photo-biodegradable polyethylene mulching films (EI收录) 会议论文
ISWREP 2011 - Proceedings of 2011 International Symposium on Water Resource and Environmental Protection, Xi'an, China, May 20, 2011 - May 22, 2011
作者:  He, Jun-Qi[1];  Jiang, Ling[1];  Yuan, Xue-Feng[1];  Xie, Juan[1];  Wang, You-Ke[2]
收藏  |  浏览/下载：0/0  |  提交时间：2019/04/15

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