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《Journal of University of Shanghai For Science and Technology》 2002-02
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Analysis of uncertainty in diopter measurement with eccentric photorefraction

XU Long-yun, CHEN Jia-bi, LI Xiang-ning (Institute of Optics and Electronics Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China)  
Uncertainty in diopter measurement with eccentric photorefraction is analyzed. Major reasons that cause higher uncertainty, such as existing of transition region, blurring of pupil edge and difficulty to distinguish iris from darkspace, are pointed out. Calculation equation for uncertainty is derived and combined standard uncertainties of diopter of schematic eyes with different myopia are computed. A radical mean, that is, asking for a new direct measuring quantity instead of the vertical coordinates of high and low edges of darkspace is proposed.
【Fund】: 上海市高等学校科学技术发展基金资助项目(99K06; 2000H11)
【CateGory Index】: R770.421
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 LI Xiang-ning; CHEN Jia-bi; XU Long-yun (Colleg of Optics and Electronics Engineering, University of Shanghaifor Science and Technology, Shanghai 200093, China);Theoretical analysis and computer simulation for eccentric photorefraction[J];JOURNAL OF UNIVERSITY OF SHANGHAI FOR SCIENCE AND TECHNOLOGY;2000-02
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 ZHANG Jing-wei(Anqing Shuguang Chemical Co.,Ltd,Anqing 246005,China);Evaluation of Uncertainty of the Platinum Electric Resistance[J];Anhui Chemical Industry;2010-05
2 FENG Xin-ping et al (The center of Analysis and Test of Chinese Academy of Tropic Agricultural sciences,Haikou,Hainan 571101);Uncertainty Evaluation of Available Mo in Soil by ICP-MS[J];Journal of Anhui Agricultural Sciences;2010-36
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4 TANG Xue-hai,YUAN Jin-jun,FENG Zhong-ke,CAO Zhong,LIU De-qing,LI Ying,WANG Yong-guo(Key Laboratory for Silviculture and Conservation of Ministry of Education,Institute of GIS RS & GPS,Beijing Forestry University,Beijing 100083);Contrast analysis of three types of calculating methods of uncertainty[J];Journal of Anhui Agricultural University;2010-02
5 ;Popularizing Evaluation of Uncertainty on Electric Appliance Safety Inspection[J];Safety & Emc;2003-02
6 Yuan Donghui,Wang Junmin,Zhang Liang(Zibo Environmental Monitoring Station,Zibo 255040,China);Uncertain Evaluation of Degree of the Measurement of Content of Total Cyanide in Water[J];Environmental Science and Management;2009-10
7 SUN Mei, WANG Hong, WANG Zhong, DUAN An-ping (Xi′an Modern Chemistry Research Institute, Xi′an710065, China);A Novel Technology for Detecting Solid Rocket Propellant Plumes[J];Chinese Journal of Explosives & Propellants;2004-04
8 XU Hui1,SUN Zhan-feng2,LI Qing-zhong2(1.College of Mathematics and Computer Science,Mianyang Normal University,Mianyang,Sichuan 621000,China; 2.Laboratory for Shock Wave and Detonation Physics Research,Institute of Fluid Physics, CAEP,Mianyang,Sichuan 621900,China);Methods of Uncertainty Evaluation and Data Processing of Standard Cylinder Test[J];Transactions of Beijing Institute of Technology;2010-05
9 XU Ge-ling, GUO Ren-hong (Guangzhou Entry-exit Inspection and Quarantine Bureau, Guangzhou 510623, China) ;Evaluation of Uncertainty of Edgewise-Crushed Resistance of Corrugated Fiberboard Boxes[J];Packaging Engineering;2004-04
10 ZHANG Lihua(Shenyang Storage Battery Research Institute,Shenyang 110026,China);Evaluation of uncertainty in measurement ofdc digital voltmeter examined with digital multimeter[J];Chinese Labat Man;2003-03
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1 LAI Zhengcong WANG Shiyue YANG Xijie LIU Guoshou (Faculty of Architectural Engineering,Kunming University of Science and Technology,Kunming,650051);Flexure Limit Load and Uncertainty Evaluation of Semi-rigid Roadbase Asphalt Pavement Reinforced by Glassgrid[A];[C];2008
2 LU Tian~1 ZHU Ziwei~2 (1.College of Information Engineering,Zhejiang University of Technology,Hangzhou 310032,China; 2.Zhejiang Electronic Technology Institute,Zhejiang Hangzhou 310012,China);Evaluation of measurement uncertainty in radio testing[A];[C];2009
3 PAN Tao ZENG Xiang-bin CHEN Yu ZHANG Rui SONG Pei-ke (Department of Electronic Science and Technology,Huazhong University of Science and Technology,Wuhan 430074,China);Testing system of solar cells module with high performance based on virtual instrument[A];[C];2007
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9 YUE Hai-bing~1 WANG Bo~2 ZHU Feng-lei~2 (1.Hefei General Machinery Research Institute,Hefei 230031,China; 2.The State Quality Supervising Inspecting and Testing Center on Compressor and Refrigerating Equipment,Hefei 230031,China);Analysis of Influence of Discharge Pressure on the Uncertainty Measurement of Reciprocating Refrigeration Compressor[A];Chinese association of Refrigeration[C];2008
10 LIU Guoshou,WANG Shiyue,LAI Zhengcong,MIU Yunwei Faculty of Architectural Engineering,Kunming University of Science and Technology,Kunming,650224;A Tensile Strength Test of Geotextile on MTS and Evaluation on the Measurement Uncertainty[A];[C];2010
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Chinese Journal Full-text Database 2 Hits
1 Wang Guang-ji and Qu Jia (Department of Ophthalmic Optics, Wenzhou Medical Col1ege, Wenzhou );METHOD FOR SCREENING OF CHILDREN WITHSTRABISMUS OR REFRACTIVE ERRORS BY SIMULTANEOUSPHOTOGRAPHY OF CORNEAL AND FUNDUSREFLEXES:INTRODUCTION OF METHOD AND OPTICS[J];Chinese Journal of Biomedical Engineering;1991-03
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