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浏览/检索结果: 共17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 Pragmatic Implementation With Non-Gaussian Devices of Noise-Limited Weak Value Amplification 期刊论文  OAI收割 IEEE PHOTONICS JOURNAL, 2021, 卷号: 13, 期号: 2, 页码: 11 作者:  Wu, Hao;  Wu, Peng;  Luo, Zheng-Chun;  Xu, Li-Ping;  Xie, Jia-Heng   |  收藏  |  浏览/下载：27/0  |  提交时间：2021/04/06 Phase measurement  Wave functions  Measurement uncertainty  Couplings  Sensitivity  Light sources  Frequency measurement  Weak measurement  phase estimation  precision optimization   An Ultra-Stretchable and Highly Sensitive Photoelectric Effect-Based Strain Sensor: Implementation and Applications 期刊论文  OAI收割 IEEE SENSORS JOURNAL, 2021, 卷号: 21, 期号: 4, 页码: 4365-4376 作者:  Li, Zhengwei;  Cheng, Long;  Song, Qingkun   |  收藏  |  浏览/下载：44/0  |  提交时间：2021/03/29 Capacitive sensors  Optical sensors  Sensitivity  Robot sensing systems  Strain  Light emitting diodes  Strain sensor  soft and stretchable sensor  photoelectric effect  wrist pulse detection  hand-motion monitoring   Timing of seed germination in two alpine herbs on the southeastern Tibetan plateau: the role of seed dormancy and annual dormancy cycling in soil 期刊论文  OAI收割 PLANT AND SOIL, 2017, 卷号: 421, 期号: 1-2, 页码: 465-476 作者:  Wang, Guoyan;  Baskin, Carol C.;  Baskin, Jerry M.;  Yang, Xuejun;  Liu, Guofang   |  收藏  |  浏览/下载：14/0  |  提交时间：2022/03/28 Buried seeds  Light sensitivity  Local adaptation  Pedicularis fletcheri  Physiological dormancy  Primula alpicola  Secondary dormancy   Near-infrared light remote-controlled intracellular anti-cancer drug delivery using thermo/pH sensitive nanovehicle 期刊论文  OAI收割 ACTA BIOMATERIALIA, 2015, 卷号: 17, 页码: 201-209 作者:  Qin YP(秦艳平);  Chen J(陈俊);  Bi Y(毕颖);  Xu XH(徐小晗);  Zhou H(周晖) 收藏  |  浏览/下载：24/0  |  提交时间：2016/04/18 Near-infrared light  Photothermal effect  Carbon nanotube  pH/temperature sensitivity  Intracellular drug delivery   Large-scale estimation and uncertainty analysis of gross primary production in Tibetan alpine grasslands SCI/SSCI论文  OAI收割 2014 作者:  Zhang L.;  Zhang Y.;  Zhang Y.;  Zhang L. 收藏  |  浏览/下载：29/0  |  提交时间：2014/12/24 Tibetan alpine grasslands  Vegetation Photosynthesis Model (VPM)  Eddy  Covariance  Uncertainty analysis  light-use-efficiency  net ecosystem exchange  satellite sensor data  terrestrial ecosystems  fluxnet measurements  sensitivity-analysis  data  assimilation  combining modis  ameriflux data  co2 exchange   Excitation and propagation of surface plasmons on metallic nanowires 期刊论文  OAI收割 PLASMONICS: METALLIC NANOSTRUCTURES AND THEIR OPTICAL PROPERTIES X, 2012, 卷号: 8457 Tian, XR; Liu, N; Wei, H; Xu, HX 收藏  |  浏览/下载：24/0  |  提交时间：2013/09/17 ENHANCED RAMAN-SCATTERING  RESONANCE SENSORS  SPECTROSCOPY  SENSITIVITY  QUANTUM  LIGHT  MODEL  PAIRS   Modelling gross primary production in the Heihe river basin and uncertainty analysis SCI/SSCI论文  OAI收割 2012 Li S. H.; Xiao J. T.; Xu W. B.; Yan H. M. 收藏  |  浏览/下载：27/0  |  提交时间：2012/09/04 net primary productivity  sensitivity test fast  light-use efficiency  ecosystem production  climate data  forest  satellite  simulation  parameter  images   The research on statistical properties of TDI-CCD imaging noise (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, May 24, 2011 - May 26, 2011, Beijing, China Gu Y.-Y.; Shen X.-H.; He G.-X. 收藏  |  浏览/下载：23/0  |  提交时间：2013/03/25 TDI-CCD can improve the sensitivity of space camera without any degradation of spatial resolution which is widely used in aerospace imaging devices. The article describes the basic working principle and application characteristics of TDI-CCD devices  analyses the composition of TDI-CCD imaging noise  and propose a new method to analyze TDI-CCD imaging noise with statistical probability distribution. In order to estimate the distribution of gray values affect by noise we introduced the concept of skewness and kurtosis. We design an experiment using constant illumination light source  take image with TDI-CCD working at different stage such as stage 16  stage 32  stage 48  stage 64 and stage 96  analyse the characteristics of image noise with the method we proposed  experimental results show that the gray values approximately meet normal distribution in large sample cases. 2011 SPIE.   A sensitive solid-phase time-resolved fluorescence immunoassay apparatus (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, June 17, 2009 - June 19, 2009, Beijing, China 作者:  Song K.-F.;  Li J.-L.;  Zhang W.-L.;  Wang Y.-L. 收藏  |  浏览/下载：37/0  |  提交时间：2013/03/25 In the device  a He-Ne laser of flash frequency 1-20 Hz was adopted as exciting light source  and three key technical problems have been solved successfully in order to enhance the detecting sensitivity and measuring stability of the device for time-resolved fluorimmunoassays(TRFIA) [1]. The first one is to design optimum exciting optical system  so that the exciting light beam excite the sample most effectively. The second one is to have a project spectrum filter which can reduce the affection of the background light to the photomultiplier tube and also ensure influence of the stray light and mixed diffusion light to the sample fluorescence to the least  the sample fluorescence through the integrating sphere and come to the grating monochromator  The right wavelength will be chosed through changing the angle of incidence of the grating monochromator. The third one is to simulate the principle of sample averaging of BOXCAR averager. In the device  SCM was used as primary controller and CPLD was used as timing controller. Through the preparation process  signal-to-noise ratio(SNR) will be improved  also adjust delay time  ampling frequency and sampling number arbitrarily. By testing  the sensitivity is 10-12mol/L(substance marked by Eu3+)  examination repeat is &le2.5%  examination linearity is from 10 -8mol/L to 10-12mol/L  correlation coefficient is 99.98%(p&le0.01). The instrument is advanced for ultrasensitive detection of antigen and antibody  and solve the tumor  genetic variation  the virus protein detection. 2009 SPIE.   Bifunctional enzyme FBPase/SBPase is essential for photoautotrophic growth in cyanobacterium Synechocystis sp PCC 6803 期刊论文  OAI收割 PROGRESS IN NATURAL SCIENCE, 2008, 卷号: 18, 期号: 2, 页码: 149-153 作者:  Yan, Chunlan;  Xu, Xudong 收藏  |  浏览/下载：418/118  |  提交时间：2010/10/13 FBPase  photoautotrophic growth  light sensitivity  Synechocystis sp.