LOCK-IN

作品数：43被引量：88H指数：5
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相关领域：电子电信更多>>
相关作者：王建翟泽辉张扬杨艳周鸿立更多>>
相关机构：云南大学俄罗斯科学院中国地质科学院昆明物理研究所更多>>
相关期刊：《Propulsion and Power Research》《Agricultural Sciences》《Open Journal of Fluid Dynamics》《China Communications》更多>>
相关基金：国家自然科学基金国家高技术研究发展计划北京市自然科学基金国家重点基础研究发展计划更多>>
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Mega infrastructure project affordance:A new perspective to improve stakeholder management and project sustainability
《Frontiers of Engineering Management》2024年第4期766-771,共6页Hongping YUAN Xiaozhi MA Bo XIA 
supported by the National Social Science Foundation of China(Grant No.22BGL008).
Mega infrastructure projects(MIPs)play crucial roles in promoting social development,regional growth,and disaster and crisis resilience.These complex projects frequently face challenges in stakeholder management,which...
关键词：mega infrastructure project AFFORDANCE project sustainability stakeholder management social lock-in 
Unlocking multidirectional and broadband wind energy harvesting with triboelectric nanogenerator and vortex-induced vibration of sphere
《Applied Mathematics and Mechanics(English Edition)》2024年第11期1895-1912,共18页Lanbin ZHANG Yixiang HE Bo MENG Huliang DAI Lin WANG 
Project supported by the National Natural Science Foundation of China(Nos.12202151 and 12272140)。
A unique oscillating wind-driven triboelectric nanogenerator(OWTENG)based on the sphere's vortex-induced vibration(VIV)behavior is proposed in this study,which can harvest wind energy across a multitude of horizontal ...
关键词：wind energy harvesting triboelectric nanogenerator vortex-induced vibration(VIV) lock-in region 
Enhanced imaging through turbid water based on quadrature lock-in discrimination and retinex aided by adaptive gamma function for illumination correction被引量：1
《Chinese Optics Letters》2023年第10期24-29,共6页Riffat Tehseen Amjad Ali Mithilesh Mane 葛文敏 李燕龙 张泽君 徐敬 
supported in part by the National Key Research and Development Program of China(Nos.2022YFC2808200 and 2022YFB2903403);the National Natural Science Foundation of China(NSFC)(No.61971378);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDA22030208).
This paper presents an improved method for imaging in turbid water by using the individual strengths of the quadrature lock-in discrimination(QLD)method and the retinex method.At first,the high-speed QLD is performed ...
关键词：quadrature lock-in discrimination clear vision scattering RETINEX uneven illumination 
Heterogeneity induced strain localization in block-in-matrix-soils subjected to uniaxial loading using real-time CT scanning
《Journal of Rock Mechanics and Geotechnical Engineering》2023年第8期1951-1959,共9页Yanfang Wu Xiao Li Luqing Zhang Shengwen Qi Jian Zhou Jianming He Zhaobin Zhang Xiukuo Sun 
This work was supported by the National Natural Science Foundation of China(Grants Nos.41972287 and 42090023);the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(Grant No.2019QZKK0904).
Block-in-matrix-soils(bimsoils)are geological mixtures that have distinct structures consisting of relatively strong rock blocks and weak matrix soils.It is still a challenge to evaluate the mechanical behaviors of bi...
关键词：Image correlation algorithm Damage processing Real-time computed tomography(CT) imaging Rock block motion Uniaxial compression 
Vortex Shedding Lock-in on Tapered Poles with Polygonal Cross-Section
《Open Journal of Fluid Dynamics》2022年第2期127-153,共27页Jaime A. Ocampo Steven H. Collicott Robert J. Connor 
A study to investigate the effects of taper on vortex shedding coherence on High Mast Lighting Towers (HMLT) with models of eight-, twelve-, and sixteen-sided polygonal cross-section was performed in Purdue’s Boeing ...
关键词：Vortex Shedding LOCK-IN Tower Aerodynamics 
Effects of cavitation on vortex-induced vibration of a flexible circular cylinder simulated by fluid-structure interaction method被引量：1
《Journal of Hydrodynamics》2022年第3期499-509,共11页Zhi-jian Xiao Shi-hao Yang Cao Yu Zhen Zhang Lei Sun Jiang Lai Yan-ping Huang 
Project supported by the National Natural Science Foundation of China(Grant Nos.12072336,12122214);This work was supported by theYouth Innovation Promotion Association,Chinese Academy Sciences(Grant No.Y201906).
To investigate the effects of the cavitation on the vortex-induced vibration,the flow and the vibration characteristics of a flexible circular cylinder in the non-cavitating and cavitating flows at Re=200 are simulate...
关键词：Fluid-structure interaction(FSI) CAVITATION lock-in frequency vortex-induced vibrations OPENFOAM 
Lock-in phenomenon of tip clearance flow and its influence on aerodynamic damping under specified vibration on an axial transonic compressor rotor被引量：5
《Chinese Journal of Aeronautics》2022年第3期185-200,共16页Le HAN Dasheng WEI Yanrong WANG Mingchang FANG 
supported by the National Natural Science Foundation of China(No.51475022)。
In this study,the lock-in phenomenon of Tip Clearance Flow(TCF)instabilities and their relationship to blade vibration are investigated numerically on an axial transonic rotor with a large tip clearance.The capabiliti...
关键词：Aerodynamic damping Inter blade phase angle LOCK-IN Specified blade vibration Tip clearance flow instabilities 
Experimental investigation of unsteady attached cavitating flow induced pressure fluctuation被引量：2
《Journal of Hydrodynamics》2022年第1期31-42,共12页Hou-sheng Zhang Guang-hao Chen Qin Wu Biao Huang 
supported by the Natural Science Foundation of Beijing Municipality(Grant Nos.3204056,3212023);supported by the National Natural Science Foundation of China(Grant Nos.51839001,51909002 and 52079004).
This paper experimentally investigates the pressure fluctuation induced by the unsteady attached cavitating flow, with special focus on the quasi-periodic cloud cavitation. A simultaneous sampling method is adopted fo...
关键词：CAVITATION pressure fluctuation statistical features lock-in phenomenon 
Polarization modulation with optical lock-in detection reveals universal fluorescence anisotropy of subcellular structures in live cells被引量：7
《Light(Science & Applications)》2022年第1期50-62,共13页Meiling Guan Miaoyan Wang Karl Zhanghao Xu Zhang Meiqi Li Wenhui Liu Jing Niu Xusan Yang Long Chen Zhenli Jing Micheal Q.Zhang Dayong Jin Peng Xi Juntao Gao 
the National Natural Science Foundation of China(81890991,61705252,62025501,61729501,31971376);the State Key Research Development Program of China(2021YFE0201100,2017YFA0505503,2017YFC0110202);the Beijing Natural Science Foundation(JQ18019);CAS Interdisciplinary Innovation Team(JCTD-2020-04);Beijing Municipal Natural Science Foundation(Z200021);Shenzhen Science and Technology Program(KQTD20170810110913065).
The orientation of fluorophores can reveal crucial information about the structure and dynamics of their associated subcellular organelles.Despite significant progress in super-resolution,fluorescence polarization mic...
关键词：ANISOTROPY POLARIZATION concerning 
Lock-in incoherent differential phase contrast imaging
《Photonics Research》2022年第1期237-247,共11页CHIARA BONATI DAMIEN LOTERIE TIMOTHé LAFOREST CHRISTOPHE MOSER 
We introduce a lock-in method to increase the phase contrast in incoherent differential phase contrast(DPC)imaging.This method improves the phase sensitivity by the analog removal of the background.The use of a smart ...
关键词：PHASE ILLUMINATION DIFFERENTIAL 
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