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The simulation analysis and operation conditions optimization of low-head water bulb tubular turbine based on different guide vane outlet angle 会议论文
Beijing, China, November 16, 2017 - November 19, 2017
作者:  Li, Z.G.;  Wang, B.;  Ma, B.;  Ou, C.Q.;  Dong, G.F.
收藏  |  浏览/下载：13/0  |  提交时间：2020/11/15
Research on emergency supplies dispatching problem based on genetic algorithm 期刊论文
Open Cybernetics and Systemics Journal, 2015, 卷号: 9, 期号: [db:dc_citation_issue], 页码: 62-68
作者:  Hu, Fei-Hu;  Feng, Xuan;  Zhao, Mu-Hua;  Chen, Yu-Rong
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/02
Sustainable urban revitalization in historic districts: A case study of Huilongwo area in Xuzhou 会议论文
Guangzhou, China, March 15, 2014 - March 16, 2014
作者:  Liu, Qi;  Liu, Benteng
收藏  |  浏览/下载：6/0  |  提交时间：2020/11/15
PCNN based image processing and feature extraction of dual-bypass gas metal arc weld pool 期刊论文
China Welding (English Edition), 2013, 卷号: 22, 期号: 4, 页码: 1-7
作者:  Zhang, Gang;  Fan, Ding;  Xue, Cheng;  Shi, Yu;  Huang, Jiankang
收藏  |  浏览/下载：22/0  |  提交时间：2020/11/14
Some research and improvement of BEMD method 期刊论文
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2013, 卷号: 33, 期号: [db:dc_citation_issue], 页码: 69-72
作者:  Yuan, Yu;  Li, Congming;  Zhao, Yulong
收藏  |  浏览/下载：7/0  |  提交时间：2019/12/03
Study on the stress statistics and its reliability of the structure based on WNN 期刊论文
Information Technology Journal, 2013, 卷号: 12, 期号: 23, 页码: 7101-7104
作者:  Gao, Lihong;  Xu, Gening;  Yang, Ping;  Yao, Qiang;  Zhang, Min
收藏  |  浏览/下载：0/0  |  提交时间：2020/11/14
Characteristic point match algorithm based on the SURF in binocular stereo vision (EI CONFERENCE) 会议论文
5th International Conference on Intelligent Networks and Intelligent Systems, ICINIS 2012, November 1, 2012 - November 3, 2012, Tianjin, China
Wang X.; Yang L.; Wang L.; Xu J.
收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25
A matching algorithm on statistical properties of Harris corner (EI CONFERENCE) 会议论文
2011 International Conference on Information and Automation, ICIA 2011, June 6, 2011 - June 8, 2011, Shenzhen, China
He B.; Ming Z.; Wei Y.
收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25
The fundamental goal of target recognition and video tracking is to match target template with source image. Most matching methods are based on image intensity or multi-feature points. And the latter method is more popular for its high accuracy and small calculation. Image Registration Based on Feature Points focus on effective feature extraction of image points and paradigm. Harris corner in the image rotation  gray  noise and viewpoint change conditions  has an ideal match results  is more recent application of one feature point. This paper extract the Harris corner deviation and covariance firstly  experiments show that the two features exclusive  then applied them to image registration for the first time. A set of actual images have shown  this proposed method not only overcomes the complicated background  gray uneven distribution problems  but also pan and zoom the image has a good resistance. 2011 IEEE.  
The lightweight design of the inner framework of the opto-electronic stabilization platform based on finite element analysis (EI CONFERENCE) 会议论文
2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011, September 3, 2011 - September 5, 2011, Changchun, China
Zou Q.; Ma H.-L.; Hu Y.; Ding J.-W.
收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25
The airborne opto-electronic stabilization platform should have the characteristics of high requirements for stability  tracking accuracy and lightweight. In order to verify the rationality of the main load-bearing structure  the inner-gimbal  finite element analysis was performed. Because of the poor working conditions of the airborne opto-electronic stabilization platform and the wide range of working temperature variation  -45 C 60 C  according to the actual working environment  air-resistance and temperature were added to the loads of the inner-gimbal in analysis. What's more  based on the analysis results  lightweight design was performed to the initial model and 64.37% of mass was decreased. The remarkable effect was obtained. This research is going to be instructive to design and production of the airborne opto-electronic stabilization platform in the future. 2011 IEEE.  
Chirp estimation of PZT for integrating-bucket method (EI CONFERENCE) 会议论文
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, April 26, 2010 - April 29, 2010, Dalian, China
Zhang J.; Shi Z.; Miao E.; Gu Y.; Liu W.
收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25
The nonlinear response of the PZT for the integrating bucket method is studied by our proposed method: discrete chirp Fourier transform (DCFT) and maximum likelihood estimation (MLE) techniques for the integrating bucket method. Based on the signal processing theory  the intensity obtained from CCD is processed by the DCFT and thus nonlinear response and chirp coefficient of the PZT can be coarsely estimated. This is followed by the MLE method  in which an iterative optimization process is complemented for accurately estimating the nonlinear response and chirp coefficient of the PZT. One key advantage of the proposed method is that not only the nonlinear response and chirp coefficient of the PZT can be acquired  but also initial phase acquired. Our method is tested by simulating conditions under which a certain magnitude of nonlinearity is assumed. Nonlinear response attained by the DCFT is compared to that attained by the MLE  and a difference between the actual nonlinear response of the PZT and our accurate estimation by the proposed method is revealed. Several factors that will have influence on the nonlinear response of the PZT are discussed. 2010 Copyright SPIE - The International Society for Optical Engineering.  

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