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7篇 您的检索式：作者名="Dengfeng L"

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		题名	作者	年代	出处	被引量
	1	New simiLiarity measure of intuitionistic fuzzy sets and application to pattern recognitions显示文摘	Dengfeng L Chuntian C	2002	Pattero Recognition Lett2002，23，：	1
	2	New Similarity Measures of Intuitionistic Fuzzy Sets and Application to Pattern Recognitions显示文摘	Dengfeng L I Chuntian Cheng	2002	Pattern Recognition Letters2002，23，13：	1
	3	New similiarity measure of intuitionistic fuzzy sets and application to pattern recognitions显示文摘	Dengfeng L Chuntian C	2002	Pattern Recognition Lett2002，23，：	1
	4	New similiarity measure of intuitionistic fuzzy sets and application to pattern recognitions显示文摘	Dengfeng L Chuntian C	2002	Pattern Recognition Lett2002，23，：	1
	5	New similarity measure of intuitionistic fuzzy sets and application to pattern recognitions显示文摘	Dengfeng L Chuntian C	2002	Pattern Recognition Lett2002，23，13：	1
	6	Error Analysis on the Positioning Accuracy of a Pneumatic Vibration Isolator显示文摘A method of error analysis on the positioning accuracy of a pneumatic vibration isolator was proposed.First,the necessity of positioning accuracy was studied,in addition to the key factors associated with positioning accuracy.These analyses indicated that the positioning accuracy of the pneumatic vibration isolator was mainly attributed to the position error of the push button and the gap between the spindle and valve stem.Second,the error model of the positioning accuracy of the pneumatic vibration isolator was established through geometric simplification and geometric calculation.There are different methods used to calculate the position error of the push button for the different valves.Finally,an example analysis evaluating the impact of a specific two-position three-way valve on the positioning accuracy was given by means of error distribution.Experimental results validated the accuracy of the error model and the example analysis.This error model can be used to guide the structural parameter optimization design according to the requirements for positioning accuracy.	Qiang Yu Dengfeng Xu Yu Zhu Gaofeng Guan Qiang L	2019	Journal of Beijing Institute of Technology2019，28，2：	0
	7	EXISTENCE OF TWO POSITIVE SOLUTIONS TO SINGULAR ELLIPTIC SYSTEMS WITH WEIGHTS显示文摘In this paper,a class of singular elliptic systems involving weight functions and nonlinear terms are studied. By the fibering method introduced by Pohozaev and the strong maximum principle,the existence of two positive solutions to the elliptic systems are obtained.	Dengfeng Lü(School of Math. and Statistics,Xiaogan University,Xiaogan 432000,Hubei)	2011	Annals of Differential Equations2011，27，3：	0

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