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浏览/检索结果: 共20条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 基于TPLIF技术的光合荧光参数快速准确测量的激发光强自适应方法 期刊论文  OAI收割 光学学报, 2020, 卷号: 40 作者:  王翔;  殷高方;  赵南京;  甘婷婷;  覃志松   |  收藏  |  浏览/下载：32/0  |  提交时间：2021/03/15 biotechnology  tunable pulse laser induced fluorescence technique  algae  photosynthetic parameters  self-adaptive method of excitation light intensity  生物光学  可变光脉冲诱导荧光技术  藻类  光合参数  激发光强自适应   Dynamical stochastic resonance for nonuniform illumination image enhancement 期刊论文  OAI收割 IET Image Processing, 2018, 卷号: 12, 期号: 12, 页码: 2147-2152 作者:  Zhang, Yongbin;  Liu, Hongjun   |  收藏  |  浏览/下载：53/0  |  提交时间：2018/12/18 Image Enhancement  Image Fusion  Stochastic Processes  Iterative Methods  Differential Equations  Brightness  Dynamical Stochastic Resonance  Nonuniform Illumination Image Enhancement  Dark Tones  Low-contrast Image Enhancement  Nonlinear Iteration  Monostable Langevin Equation  Iteration Parameters  Intensity Distribution  Visibility Balance  Naturalness Balance  Illumination Compensation Component  Computational Time  No-reference Perceptual Quality Assessment  Lightness Order Error  Low-computational Complexity   Transition intensity calculation of Yb:YAG 期刊论文  OAI收割 CHINESE PHYSICS B, 2018, 卷号: 27, 期号: 6, 页码: 6 作者:  Zhang, Hong-Bo;  Zhang, Qing-Li;  Wang, Xing;  Sun, Gui-Hua;  Wang, Xiao-Fei   |  收藏  |  浏览/下载：16/0  |  提交时间：2019/11/11 transition intensity parameters  rare earth  photoluminescence  Yb3+:YAG   Modelling sheet erosion on steep slopes in the loess region of China 期刊论文  OAI收割 JOURNAL OF HYDROLOGY, 2017, 卷号: 553, 页码: 549-558 作者:  Wu, Bing;  Wang, Zhanli;  Zhang, Qingwei;  Shen, Nan;  Liu, June   |  收藏  |  浏览/下载：28/0  |  提交时间：2019/09/25 Sheet erosion rate  Rainfall intensity  Slope gradient  Flow velocity  Hydrodynamic parameters   Modelling sheet erosion on steep slopes in the loess region of China 期刊论文  OAI收割 JOURNAL OF HYDROLOGY, 2017, 卷号: 553, 页码: 549-558 作者:  Wu, Bing;  Wang, Zhanli;  Zhang, Qingwei;  Shen, Nan;  Liu, June   |  收藏  |  浏览/下载：34/0  |  提交时间：2018/04/12 Sheet Erosion Rate  Rainfall Intensity  Slope Gradient  Flow Velocity  Hydrodynamic Parameters   Improved bore-sight calibration for airborne light detection and ranging using planar patches 期刊论文  OAI收割 Journal of Applied Remote Sensing, 2016, 卷号: 10, 期号: 2 作者:  Li, Dong;  Guo, Huadong;  Wang, Cheng;  Dong, Pinliang;  Zuo, Zhengli 收藏  |  浏览/下载：28/0  |  提交时间：2017/04/24 SPECIES CLASSIFICATION  FEATURE PARAMETERS  LIDAR INTENSITY  CANOPY  FOREST  TERRESTRIAL   Source parameters estimation of historical earthquake with magnitude about 6 期刊论文  OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2013, 卷号: 56, 期号: 8, 页码: 2701-2717 作者:  Tan Yi-Pei;  Chen Qi-Fu   |  收藏  |  浏览/下载：21/0  |  提交时间：2018/09/26 Historical earthquake  Source parameters  Intensity data  Synthetic waveform modeling  Model selection   A mechanistic model for the photosynthesis-light response based on the photosynthetic electron transport of photosystem II in C3 and C4 species SCI/SSCI论文  OAI收割 2013 Ye Z. P.; Suggett D. J.; Robakowski P.; Kang H. J. 收藏  |  浏览/下载：49/0  |  提交时间：2014/12/24 electron transport rate  maximum net photosynthetic rate  photoprotection  photosynthesis  reversible photoinhibition  saturation  light intensity  chlorophyll fluorescence  gas-exchange  pigment molecules  co2  concentration  leaf respiration  in-vivo  leaves  photoinhibition  photoprotection  parameters   Mechanism of STED microscopy and analysis of the factors affecting resolution (EI CONFERENCE) 会议论文  OAI收割 6th International Symposium on Precision Engineering Measurements and Instrumentation, August 8, 2010 - August 11, 2010, Hangzhou, China Yang P.; Ai H. 收藏  |  浏览/下载：23/0  |  提交时间：2013/03/25 Stimulated emission depletion (STED) microscopy exploits nonlinear saturable optical transition of fluorescent molecules  allowed to overcome Abbe's diffraction-limit and provides diffraction-unlimited resolution in far-field optical microscopy. We elaborate the mechanism of STED and the conditions of depletion. The formula of STED microcopy resolution is deduced through effective point spread function (E-PSF). The STED system resolution is mainly dominated by the quality of the fluorescence depletion patterns in the focal plane. The depletion pattern is mainly affected by STED beam intensity  polarization  phase plate  primary aberrations  STED pulse shape  pulse duration and delay time. In this paper  we found related models and simulate the relationship between the depletion patterns and the parameters  and put forward effective approach to enhance the system resolution. 2010 SPIE.   Analysis of measuring errors for the visible light phase-shifting point diffraction interferometer (EI CONFERENCE) 会议论文  OAI收割 2010 OSA-IEEE-COS Advances in Optoelectronics and Micro/Nano-Optics, AOM 2010, December 3, 2010 - December 6, 2010, Guangzhou, China 作者:  Zhang Y. 收藏  |  浏览/下载：13/0  |  提交时间：2013/03/25 In order to improve the measuring accuracy of the visible light phase-shifting point diffraction interferometer (PS/PDI) for the extreme ultraviolet lithography (EUVL) aspheric mirrors  the main measuring errors will be discussed in this paper. At first  the elementary configuration and measuring principle of the visible light phase-shifting point diffraction interferometer are introduced briefly  then the different errors which are possible to affect the measuring result are summed up  the errors include PZT phase-shifting error  detector nonlinearity error  detector quantization error  wavelength instability error and intensity instability error of the laser source  vibration error  air refractivity instability error and so on. Through detailed analysis and simulation  the magnitude of these errors can be obtained. By analysing the reasons which cause these errors and the relationship between these errors and interferometer configuration parameters  some methods are put forward to avoid or restrain these errors accordingly.