云南高校图书馆联盟文献共享服务平台- QUADRATIC

QUADRATIC: 作品数：643被引量：699H指数：11; 导出分析报告; 相关领域：理学更多>>; 相关作者：叶惟寅王哲陈雷邢作霞孙宏利更多>>; 相关机构：南京航空航天大学西北工业大学南京农业大学武汉大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金国家高技术研究发展计划更多>>

Dynamical correlation functions of the quadratic coupling spin-Boson model: 《Chinese Physics B》2017年第6期81-86,共6页郑大川同宁华; supported by the National Key Basic Research Program of China(Grant No.2012CB921704);the National Natural Science Foundation of China(Grant No.11374362);the Fundamental Research Funds for the Central Universities,China;the Research Funds of Renmin University of China(Grant No.15XNLQ03); The spin-boson model with quadratic coupling is studied using the bosonic numerical renormalization group method.We focus on the dynamical auto-correlation functions CO（ω）, with the operator taken as σx, σz, and ...; 关键词：quadratic-coupling spin-boson model numerical renormalization group quantum phase transition dynamical correlation function

Quadratic Bent and Semi-bent Functions over Finite Fields of Odd Characteristic被引量：1: 《Chinese Journal of Electronics》2014年第4期767-772,共6页ZHENG Dabin YU Long HU Lei; supported by the National Natural Science Foundation of China(No.11101131);the National Basic Research Program of China(No.2013CB834203); Let n = me and p be an odd prime. Let Fp be a finite field and Fpn be its nth field extension. By some polynomial GCD computatlons, this paper characterize the hentness and semi-bentness of two classes of p-ary quadra...; 关键词：Quadratic bent function Quadratic semibent function Greatest common divisor Block cyclic matrix.

TIME-OPTIMAL INTERPOLATION FOR CNC MACHINING ALONG CURVED TOOL PATHES WITH CONFINED CHORD ERROR被引量：4: 《Journal of Systems Science & Complexity》2013年第5期836-870,共35页YUAN Chunming ZHANG Ke FAN Wei; supported by a National Key Basic Research Project of China under Grant No.2011CB302400;the National Natural Science Foundation of China under Grant No.60821002; In this paper, two new interpolation algorithms lot CNC machining along curve^l tom pathes are proposed： a time-optimal interpolation algorithm under chord error, feedrate, and tangential acceleration bounds, and a g...; 关键词：Chord error CNC interpolation cubic PH curve JERK quadratic B-spline time-optimalvelocity planning velocity limit curve.

Modified QUICK Schemes for 3D Advection-Diffusion Equation of Pollutants on Unstructured Grids: 《Journal of Shanghai Jiaotong university(Science)》2012年第4期484-489,共6页邢领航严明黄国兵李飞唐文坚; the National Public Research Institutes for Basic Research and Development Operating Expenses Special Project (Nos.CKSF2010014/SL,YWF0905,CKSF2010011 and CKSF2012008/SL);the National Basic Research Program (973) of China(No.2007CB714106); In the framework of finite volume method(FVM),two modified schemes of quadratic upstream interpolation for convective kinematics(QUICK),namely quasi-QUICK(Q-QUICK) and normal quasi-QUICK(NQ-QUICK),for improving the pr...; 关键词：3D unstructured grids quadratic upstream interpolation for convective kinematics(Q-QUICK) normal quasi-QUICK(NQ-QUICK) finite volume method(FVM)

THE SIMILAR STRUCTURE OF SOLUTIONS IN FRACTAL MUlTILAYER RESERVOIR INCLUDING A QUADRATIC GRADIENT TERM被引量：4: 《Journal of Hydrodynamics》2012年第3期332-338,共7页LI Wei LI Xiao-ping LI Shun-chu LI Quan-yong; supported by the National Science and Technology Major Project of China(Grant No.2008ZX50443-14);the National Basic Research Program of China(973Program,Grant No.2011CB201005); When the classical nonlinear partial differential equations are used to model the fractal reservoir, based on the assumption of low compressibility fluids, the effects of the quadratic gradient term are ignored, which...; 关键词：fractal multilayer reservoir quadratic gradient wellbore storage similar structure

A Posteriori Error Estimates of Mixed Methods for Quadratic Optimal Control Problems Governed by Parabolic Equations: 《Numerical Mathematics(Theory,Methods and Applications)》2011年第4期439-458,共20页Tianliang Hou Yanping Chen Yunqing Huang; supported in part by Hunan Education Department Key Project 10A117 and Hunan Provincial Innovation Foundation for Postgraduate CX2010B247;supported by the Foundation for Talent Introduction of Guangdong Provincial University,Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme(2008)and National Science Foundation of China(10971074);supported in part by the NSFC Key Project(11031006);Hunan Provincial NSF Project(10JJ7001);the NSFC for Distinguished Young Scholars(10625106);National Basic Research Program of China under the Grant 2005 CB321701.; In this paper,we discuss the a posteriori error estimates of the mixed finite element method for quadratic optimal control problems governed by linear parabolic equations.The state and the co-state are discretized by ...; 关键词：A posteriori error estimates quadratic optimal control problems parabolic equations mixed finite element methods

Kinematics constrained five-axis tool path planning for high material removal rate被引量：8: 《Science China(Technological Sciences)》2011年第12期3155-3165,共11页YE Tao XIONG CalHua XIONG YouLun ZHAO Can; supported by the National Basic Research Program of China ("973" Program) (Grant No. 2011CB706800);the National Natural Science Foundation of China (Grant No. 50835004);the National Funds for Distinguished Young Scientists of China (Grant No. 51025518); Traditional five-axis tool path planning methods mostly focus on differential geometric characteristics between the cutter and the workpiece surface to increase the material removal rate(i.e.,by minimizing path length...; 关键词：tool path material removal rate contact motion quadratic planning

BACKWARD LINEAR-QUADRATIC STOCHASTIC OPTIMAL CONTROL AND NONZERO-SUM DIFFERENTIAL GAME PROBLEM WITH RANDOM JUMPS: 《Journal of Systems Science & Complexity》2011年第4期647-662,共16页Detao ZHANG; supported by National Natural Science Foundation of China(10671112);National Basic Research Program of China(973 Program)(2007CB814904);the Natural Science Foundation of Shandong Province(Z2006A01); This paper studies the existence and uniqueness of solutions of fully coupled forward-backward stochastic differential equations with Brownian motion and random jumps.The result is applied to solve a linear-quadratic ...; 关键词：Backward stochastic differential equations nonzero-sum differential game optimal con-trol poisson processes Riccati equation.

A Type of General Forward-Backward Stochastic Differential Equations and Applications被引量：4: 《Chinese Annals of Mathematics,Series B》2011年第2期279-292,共14页Li CHEN Zhen WU; Project supported by the 973 National Basic Research Program of China (No. 2007CB814904);the National Natural Science Foundations of China (No. 10921101);the Shandong Provincial Natural Science Foundation of China (No. 2008BS01024);the Science Fund for Distinguished Young Scholars of Shandong Province (No. JQ200801);the Shandong University Science Fund for Distinguished Young Scholars(No. 2009JQ004); The authors discuss one type of general forward-backward stochastic differential equations (FBSDEs) with Ito's stochastic delayed equations as the forward equations and anticipated backward stochastic differential equ...; 关键词：Stochastic delayed differential equations Anticipated backward stochastic differential equations Forward-backward stochastic differential equations Linear-quadratic stochastic optimal control with delay Nonzero sum stochastic differential game with delay

BLOCK-TRIANGULAR PRECONDITIONERS FOR SYSTEMS ARISING FROM EDGE-PRESERVING IMAGE RESTORATION被引量：2: 《Journal of Computational Mathematics》2010年第6期848-863,共16页Zhong-Zhi Bai Yu-Mei Huang Michael K. Ng; supported by the China NSF Outstanding Young Scientist Foundation(No.10525102);National Natural Science Foundation(No.10471146);the National Basic Research Program (No.2005CB321702)P.R.China;supported in part by the Fundamental Research Fund for Physics and Mathematics of Lanzhou University.P.R.China;supported in part by Hong Kong Research Grants Council Grant Nos.7035/04P and 7035/05P;HKBU FRGs; Signal and image restoration problems are often solved by minimizing a cost function consisting of an l2 data-fidelity term and a regularization term. We consider a class of convex and edge-preserving regularization f...; 关键词：Block system of equations Matrix preconditioner Edge-preserving Image restoration Half-quadratic regularization.

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