LIGHTING

作品数：337被引量：285H指数：7
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相关机构：北京电光源研究所清华大学浙江晨辉照明有限公司北京信息职业技术学院更多>>
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Upconversion electroluminescence enabled by plasmonic tunnel junctions
《Science China(Technological Sciences)》2024年第11期3629-3630,共2页XING GuanSheng LIN ZhaoRan WANG XiangFu CHEN Bing 
supported by the National Natural Science Foundation of China(Grant No.62205155);the Natural Science Research Start-up Foundation of Recruiting Talents of Nanjing University of Posts and Telecommunications(Grant No.NY222104)。
The integration of plasmonic materials with luminescence phosphors or semiconductors represents a burgeoning frontier in nanotechnology,aimed at enhancing the optical properties of these materials for advanced photoni...
关键词：FRONTIER LIGHTING PLASMON 
Fault Analysis and Rectification Measures of Lighting Flicker in Passenger Room of a EMU
《外文科技期刊数据库(文摘版)工程技术》2022年第7期158-163,共6页WANGYanzhuo WEIXingli HUChuanjie SHENLiwei FENGBaoxiang 
Good passenger room lighting of EMU can provide passengers with a comfortable riding environment, but once the passenger room lighting fails, it will easily cause passengers psychological anxiety or panic. This paper ...
关键词：EMU room lighting fault analysis 
Measurement of bidirectional reflection distribution function on material surface被引量：3
《Chinese Optics Letters》2009年第1期88-91,共4页张伟 汪洪源 王治乐 
supported by the National"863"Project of China under Grant No.2006AA704214-5.
Two automatic measurement methods of bidirectional reflection distribution function （BRDF） are presented based on absolute and relative definition. Measurement principle and scheme of the methods are analyzed. A rea...
关键词：Distribution functions FABRICS LIGHT Light sources LIGHTING Probability density function REFLECTION Time measurement 
Method for rapid measuring retardation of a quarter-wave plate based on simultaneous phase shifting technique被引量：3
《Chinese Optics Letters》2008年第9期673-675,共3页杨坤 曾爱军 王向朝 唐锋 王华 
Key Basic Research Program of Science and Technology Commission of Shanghai Municipality(No.07JC14056);National Natural Science Foundation of China(No.60578051);Shanghai Rising-Star Program(No.06QB14047).
A method for rapid measuring retardation of a quarter-wave plate based on simultaneous phase shifting technique is presented. The simultaneous phase shifting function is realized by an orthogonal grating, a diaphragm,...
关键词：Electromagnetic waves Light sources LIGHTING Phase shift 
Local and global Gabor features for raised character recognition被引量：1
《Chinese Optics Letters》2008年第3期172-175,共4页李建美 路长厚 李学勇 李国平 
Conventional Gabor representation and its extracted features often yield a fairly poor performance in extracting the invariance features of objects. To address this issue, a global Gabor representation method for rais...
关键词：Feature extraction Image processing INVARIANCE LIGHTING 
An effective method for reducing speckle noise in digital holography被引量：8
《Chinese Optics Letters》2008年第2期100-103,共4页新康 
the National Natural Science Foundation of China under Grant No.10772086
An effective method for reducing the speckle noise in digital holography is proposed in this paper. Different from the methods based on classical filtering technique, it utilizes the multiple holograms which are gener...
关键词：HOLOGRAMS LIGHTING SPECKLE 
Real-time,continuous-wave terahertz imaging by a pyroelectric camera被引量：7
《Chinese Optics Letters》2008年第1期29-31,共3页杨珺 阮双琛 张敏 
Real-time, continuous-wave terahertz （THz） imaging is demonstrated. A 1.89-THz optically-pumped farinfrared laser is used as the illumination source, and a 124 × 124 element room-temperature pyroelectric camera is ...
关键词：Cameras Light sources LIGHTING Optically pumped lasers PYROELECTRICITY 
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