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MEASUREMENTS: 作品数：689被引量：1350H指数：15; 导出分析报告; 相关领域：理学更多>>; 相关作者：王让会张慧芝唐文乔李思发于红霞更多>>; 相关机构：北京大学中国科学院中华全国供销合作总社中国科学技术大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

Picosecond time-resolved X-ray ferromagnetic resonance measurements at Shanghai synchrotron radiation facility被引量：2: 《Nuclear Science and Techniques》2022年第5期126-134,共9页Xia Yang Jie-Feng Cao Jun-Qin Li Fang-Yuan Zhu Rui Yu Jian He Zi-Long Zhao Yong Wang Ren-Zhong Tai; supported by the Nation Key R&D Program of China(No.2021YFA1601003 and 2017YFA0403400);the National Natural Science Foundation of China(Nos.11875314,52032005,and11805260);the National Basic Research Program of the Ministry of Industry and Information Technology,China(No.2016YFB0700402);conducted on 07U and 08U1A soft X-ray beamlines at the SSRF。; An experimental picosecond time-resolved X-ray ferromagnetic resonance(TR-XFMR)apparatus with a time resolution of 13 ps(RMS)or 31 ps(FWHM)was constructed and demonstrated in the 07U and 08U1A soft X-ray beamlines at ...; 关键词：Ferromagnetic resonance Time resolution PUMP-PROBE Synchrotron radiation

Improve the performance of interferometer with ultra-cold atoms: 《Chinese Physics B》2021年第1期42-55,共14页Xiangyu Dong Shengjie Jin Hongmian Shui Peng Peng Xiaoji Zhou; Project supported by the National Basic Research Program of China(Grant No.2016YFA0301501);the National Natural Science Foundation of China(Grant Nos.61727819,11934002,91736208,and 11920101004);the Project funded by China Postdoctoral Science Foundation(Grant No.2020TQ0017)。; Ultra-cold atoms provide ideal platforms for interferometry.The macroscopic matter-wave property of ultra-cold atoms leads to large coherent length and long coherent time,which enable high accuracy and sensitivity to ...; 关键词：precision measurement ultra-cold atoms atom interferometer gravity measurements

Cavity Ring-Down Spectroscopy Measurements of Ambient NO3 and N2O5被引量：1: 《Chinese Journal of Chemical Physics》2020年第1期1-7,共7页Hao Wu Jian Chen An-wen Liu Shui-ming Hu Jing-song Zhang; Hao Wu,Jian Chen,An-wen Liu,and Shui-ming Hu acknowledge the supports from the Ministry of Science and Technology of China(No.2013BAK12B00);the National Natural Science Foundation of China(No.21427804).; NO3 and N2O5 are important participants in nocturnal atmospheric chemical processes,and their concentrations are of great significance in the study of the mechanism of nocturnal atmospheric chemical reactions.A two-ch...; 关键词：Cavity ring-down spectroscopy Nitrate radical Dinitrogen pentoxide Field measurement

Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements被引量：9: 《Petroleum Science》2019年第5期1015-1027,共13页Lei Wang Shao-Gui Deng Pan Zhang Ying-Chang Cao Yi-Ren Fan Xi-Yong Yuan; co-funded by Chinese Postdoctoral Science Foundation(2018M640663);the National Natural Science Foundation of China(41474100,41574118,41674131);National Science and Technology Major Project of the Ministry of Science and Technology of China(2017ZX05009-001); We present systematic investigations on the physics,detection performance and inversion of logging-while-drilling extradeep azimuthal resistivity measurements(EDARM).First,the definitions of EDRAM measurements are dis...; 关键词：Extra-deep azimuthal resistivity measurements(EDARM) Detection performance Inversion method Reservoir imaging Detection of multiple bed boundaries

Derived Born cross sections of e^+e^-annihilation into open charm mesons from CLEO-c measurements: 《Chinese Physics C》2018年第4期69-75,共7页Xiang-Kun Dong Liang-Liang Wang Chang-Zheng Yuan; Supported in part by National Natural Science Foundation of China(NSFC)(11235011,11475187,11521505,U1632106);the Ministry of Science and Technology of China(2015CB856701);Key Research Program of Frontier Sciences,CAS,(QYZDJ-SSW-SLH011);the CAS Center for Excellence in Particle Physics(CCEPP); The exclusive Born cross sections of the production of D0, D＋ and Ds＋ mesons in e＋e- annihilation at 13 energy points between 3.970 and 4.260 GeV are obtained by applying corrections for initial state radiation and...; 关键词：electron-positron annihilation charm production Born cross section radiative correction

An Improved Key Generation Scheme Based on Multipath Channel Measurements被引量：1: 《Chinese Journal of Electronics》2017年第1期185-191,共7页HAN Yuanzhi HU Aiqun; supported by the National Natural Science Foundation of China(No.61571110);the National Basic Research Program of China(973 Program)(No.2013CB338003); Channel reciprocity is a vital component for the key generation from multipath channels. In this paper, we introduce the effect of delay between measures on the channel reciprocity, build an Autoregression(AR)model to...; 关键词：Physical layer security Key generation Linear prediction Multipath

Flight safety measurements of UAVs in congested airspace被引量：13: 《Chinese Journal of Aeronautics》2016年第5期1355-1366,共12页Xiang Jinwu Liu Yang Luo Zhangping; supported by the National Basic Research Program of China (No.2011CB707002); Describing spatial safety status is crucial for high-density air traffic involving multiple unmanned aerial vehicles （UAVs） in a complex environment. A probabilistic approach is proposed to measure safety situation ...; 关键词：Airspace safety situation Conflict probability Flight conflict NAVIGATION UAV

Eddy covariance measurements of water vapor and CO_2 fluxes above the Erhai Lake被引量：19: 《Science China Earth Sciences》2015年第3期317-328,共12页LIU HuiZhi FENG JianWu SUN JiHua WANG Lei XU AnLun; supported by the National Natural Science Foundation of China(Grant Nos.41030106,41021004);the National Basic Research Program of China(Grant No.2010CB951801); Measurement of turbulence fluxes were performed over the Erhai Lake using eddy covariance(EC) method.Basic physical parameters in the lake-air interaction processes,such as surface albedo of the lake,aerodynamic rough...; 关键词：Erhai Lake eddy covariance method surface roughness length bulk transfer coefficients

2-6 First Isochronous Mass Measurements with Two Time-of-Flight Detectors at CSRe: 《IMP & HIRFL Annual Report》2014年第1期37-37,共1页Xing Yuanming Zhang Yuhu Wang Meng Xu Hushan Shuai Peng Xu Xing Chen Ruijiu Yan Xinliang Tu Xiaolin Zhang Wei Fu Chaoyi Zeng Qi Yu.A.Litvinov K.Blaum Chen Xiangcheng Ge Zhuang Gao Bingshui Huang Wenjia S.A.Litvinov Liu Dawei Ma Xinwen Mao Ruishi Xiao Guoqing Yang Jiancheng Yuan Youjin Zhou Xiaohong; In conventional isochronous mass spectrometry (IMS), single time-of-flight (TOF) method is adopted to measurethe ions' revolution times in a storage ring which can then be used to calculate the ions' masses. However, ...; 关键词：Isochronous MASS MEASUREMENTS

Stratospheric Aerosol Extinction Profile Retrieval from SCIAMACHY Limb Measurements被引量：1: 《Atmospheric and Oceanic Science Letters》2014年第3期265-268,共4页YANG Jing-Mei ZONG Xue-Mei; funded by the National Natural Science Foundation of China (Grant No.41275047);the National Basic Research Program of China (Grant No.2013CB955801);the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No.XDA05100300); Stratospheric aerosol extinction profiles are retrieved from Scanning Imaging Absorption Spectrometer for Atmospheric Cartography(SCIAMACHY) limb scatter measurements.In the process of retrieval,the SCIATRAN radiative...; 关键词：AEROSOL extinction profileSCIAMACHY limb measurements

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