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	Simulation of atypical dendrite growth in Ni-Cu binary alloy with phase-field method 会议论文作者: Xiao, Rongzhen; Wang, Zhiping; Zhu, Changsheng; Feng, Li 收藏 \| 浏览/下载：15/0 \| 提交时间：2020/11/15 Binary alloys Computer simulation Interface states Kinetics Morphology Phase transitions C programming Concentration profiles Dendrite growth Dendrite morphology Dendritic morphology Gradient terms Growth patterns Interface kinetics Operating state Phase field methods Phase fields Phase-field models Phase-field simulation Solute distribution Solute field Solute trapping Tip velocity Uniform grids
	Thermal-optical analysis for optical window under high Mach flight condition (EI CONFERENCE) 会议论文 2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China Zhong C.; Ding Y.; Fu J. 收藏 \| 浏览/下载：15/0 \| 提交时间：2013/03/25 When the airborne platform where installed the optical window is in high Mach flight condition. The aerodynamic heating effect which will influence optical properties of optical window becomes very obvious. This special flight condition will change shape refractive index and also refractive index distribution of optical window due to the generated high axial temperature gradient. To ensure image quality of aerial remote sensor the present paper does thermal-optical analysis for optical window under high Mach flight condition. Then on this basis do simulations according to theoretical analysis and boundary conditions derived from practical assumptions in order to get the final conclusions. 2012 IEEE.
	Image quality assessment based on gradient complex matrix (EI CONFERENCE) 会议论文 2012 International Conference on Systems and Informatics, ICSAI 2012, May 19, 2012 - May 20, 2012, Yantai, China Wang Y. 收藏 \| 浏览/下载：18/0 \| 提交时间：2013/03/25 An image quality assessment model based on gradient complex matrix is proposed. The vertical and horizontal gradient information of grayscale image is calculated. Complex number is used to construct the measuring matrix. Singular value decomposition is performed in order to obtain the main structure information of the image. The singular value feature vectors of the image gradient complex matrices corresponding to the reference image and the distorted image are used to measure the structural similarity of the two images. PSNR is taken as a tool to evaluate the gradient distribution similarity. Their properties are analyzed by using LIVE database and nonlinearity regression function. 2012 IEEE.
	The microstructure of Ni-based surface infiltrated layer on cast steel substrate 会议论文 Shenzhen, China, November 18, 2011 - November 20, 2011 作者: Yang, Gui-Rong; Song, Wen-Ming; Ma, Ying; Hao, Yuan 收藏 \| 浏览/下载：13/0 \| 提交时间：2020/11/15 Casting Computational mechanics Hardness Intermetallics Melting Microstructure Seepage Solid solutions Steel metallurgy Substrates Surfaces Vacuum Vacuum applications Cast steel Fusion area Gradient change Microhardness distribution Ni-based infiltrated layer Transition layers Vacuum infiltration casting ZG45
	Comparison of the HRRP Phase Gradient Statistics between a Ship and Sea Surface Using Alpha-stable Distribution 会议论文 Conference on Algorithms for Synthetic Aperture Radar Imagery XVIII, Orlando, FL, 2011-01-01 作者: Jiang, Dan; Xu, Xiaojian; Jie, Li; Lei, Jie 收藏 \| 浏览/下载：9/0 \| 提交时间：2020/01/06 Phase gradient High resolution range profile (HRRP) Alpha-stable distribution Ship Sea surface
	Distribution of Si particles in hypereutectic aluminum alloy tubes prepared under electromagnetic field 会议论文 TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, Beijing International Materials Week, Beijing, PEOPLES R CHINA, Web of Science Zhang Zhi-qing; Li Qiu-lin; Liu Wei; Liu Qing 收藏 \| 浏览/下载：4/0
	Research of image matching based on edge detection and gray level gradient distributing features 会议论文 ISTM/2007: 7TH INTERNATIONAL SYMPOSIUM ON TEST AND MEASUREMENT, VOLS 1-7, CONFERENCE PROCEEDINGS, 7th International Symposium on Test Measurement, Beijing, PEOPLES R CHINA, Web of Science Wen Jiangtao; Wang Boxiong; Luo Xiuzhi; Jia Qianqian 收藏 \| 浏览/下载：5/0
	Influence of spatial temperature distribution on high accuracy interferometric metrology (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 Gu Y.; Miao E.; Yan F.; Zhang J.; Yang H. 收藏 \| 浏览/下载：20/0 \| 提交时间：2013/03/25 We calculate the influence of temperature change on the refractive index of air establish a model of air temperature distribution and analyze the effect of different temperature distribution on the high accuracy interferometric metrology. First a revised Edlen formula is employed to acquire the relation between temperature and refractive index of air followed by introducing the fixed temperature gradient distribution among the spatial grid within the optical cavity between the reference flat and the test flat of the Fizeau interferometer accompanied by a temperature change random function within each grid. Finally all the rays through the air layer with different incident angles are traced by Matlab program in order to obtain the final output position angle and OPD for each ray. The influence of different temperature distribution and the length of the optical cavity in on the testing accuracy can be analyzed through the RMS value that results from repeatable rays tracing. As a result the horizontal distribution (vertical to optical axis) has a large effect on the testing accuracy. Thus to realize the high accuracy figure metrology the horizontal distribution of temperature must be rigorously controlled as well as to shorten the length of the optical cavity to a large extent. The results from our simulation are of great significant for the accuracy analysis of interferometric testing and the research of manufacturing a interferometer. 2010 Copyright SPIE - The International Society for Optical Engineering.
	Anomalous kinetics of a three-species food chain with spatial heterogeneity 会议论文 2010 6th International Conference on Natural Computation, ICNC'10, Yantai, Shandong, China, August 10, 2010 - August 12, 2010 作者: Wang, Wenting; Li, Zizhen 收藏 \| 浏览/下载：4/0 \| 提交时间：2017/01/20 Reaction kinetics Cellular automata Ecology Kinetics Pattern recognition systems Solvents Surface reactions Cellular automata simulations Chemical kinetics Expected values Extinction risks Food chain Gradient percolation Homogeneous distribution Interacting species Multi-species P-values Population densities Rate equations Reaction orders Spatial heterogeneity Three-species food chain
	Gradient index microwave lens using metal strip 会议论文 2009 International Conference on Microwave Technology and Computational Electromagnetics, ICMTCE 2009, Beijing, China, November 3, 2009 - November 6, 2009 作者: Mei, Zhong Lei; Niu, Tiao Ming; Cui, Tie Jun 收藏 \| 浏览/下载：5/0 \| 提交时间：2017/01/18 Strip metal Computational electromagnetics Electromagnetic field theory Electron optics Lenses Metals Microwave devices Microwaves Optical instruments Effective medium theories Electromagnetic parameters Electromagnetic properties Field distribution Focusing effect Geometric sizes Gradient indexes Metal strip array Metal strips Theoretical basis Theoretical prediction

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