DOPPLER

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Noise reduction of acoustic Doppler velocimeter data based on Kalman filtering and autoregressive moving average models
《Acta Oceanologica Sinica》2020年第12期106-113,共8页Chuanjiang Huang Fangli Qiao Hongyu Ma 
The National Key Research and Development Program of China under contract No.2017YFC1404000;the Basic Scientific Fund for National Public Research Institutes of China under contract No.2018S03;the National Natural Science Foundation of China under contract Nos 41776038 and 41821004
Oceanic turbulence measurements made by an acoustic Doppler velocimeter(ADV)suffer from noise that potentially affects the estimates of turbulence statistics.This study examines the abilities of Kalman filtering and a...
关键词：noise Kalman filtering autoregressive moving average model TURBULENCE acoustic Doppler velocimeter 
Field measurements of settling velocities of fine sediments in Three Gorges Reservoir using ADV被引量：6
《International Journal of Sediment Research》2016年第3期237-243,共7页Wenjie Li Shengfa Yang Jiang Hu Xuhui Fu Peng Zhang 
financially supported by the National Natural Science Foundation of China(51209241);the Basic Research Project of China Ministry of Transport(2014329814310);the Social Livelihood Science And Technology Project of Chongqing(cstc2015shmszx30024)
The Three Gorges Reservoir （TGR） is suffering from unexpected fine sediment deposition, to better understand the fine sediment transport processes, field measurements were conducted at the Zhongxian and Fengjie reac...
关键词：Settling velocity Fine sediments Acoustic Doppler Velocimeter Field measurement Three Gorges Reservoir 
A time domain correction method for Doppler-distortion signal from acoustic moving source被引量：2
《Chinese Journal of Acoustics》2014年第1期32-41,共10页LIU Fang HE Qingbo SHEN Changqing HU Fei ZHANG Ao KONG Fanrang 
supported by the National Science Foundation of China(51075379)
Doppler effect widely exists in the signal from the moving acoustic source. In order to solve such problems as frequency shift and frequency band expansion, a time domain cor- rection method is presented in this paper...
关键词：time A time domain correction method for Doppler-distortion signal from acoustic moving source 
晃动平台下ADCP测流误差分析与校正被引量：6
《海洋环境科学》2012年第2期246-249,共4页余义德 熊英 
测量不稳定流和受潮汐影响的流量一直是水文工作者所面临的难题。对于工作在海水中的走航式ADCP(声学多普勒流速剖面仪),在测量流速时,受风浪影响,往往引起测量平台的晃动,通过外接光纤陀螺,对平台的姿态进行修正,从而提高ADCP的测量精...
关键词：ADCP(Acoustic DOPPLER CURRENT Profilers) 海水 流速 精度 仿真 
Analysis of internal tidal characteristics in the layer above 450 m from acoustic Doppler current profiler observations in the Luzon Strait被引量：4
《Science China Earth Sciences》2011年第7期1078-1094,共17页LIAO GuangHong YUAN YaoChu Kaneko ARATA YANG ChengHao CHEN Hong Taniguchi NAOKAZU Gohda NORIAKI 
supported by National Basic Research Program of China (Grant Nos. 2007CB816003, 2011CB403503);International Cooperative Project of the Ministry of Science and Technology of China (Grant No. 2006DFB21630);Key Project of the National Natural Science Foundation of China (Grant No. 40520140073);the Scientific Research Fund of the Second Institute of Oceanography, SOA (Grant Nos. JG1009, JG0711 and JT0702)
The characteristics of internal tides in the upper layer of the Luzon Strait are investigated on the basis of direct-observation current data recorded on April 25 and September 26, 2008 by an acoustic Doppler current ...
关键词：current observation acoustic Doppler current prof＇fler internal tides internal waves Luzon Strait 
A NEW MEASURE FOR DIRECT MEASUREMENT OF THE BED SHEAR STRESS OF WAVE BOUNDARY LAYER IN WAVE FLUME被引量：6
《Journal of Hydrodynamics》2007年第4期517-524,共8页HUO Guang WANG Yi-gang YIN Bao-shu YOU Zai-jin 
National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 40428001).
In this article, a shear plate was mounted on the bottom in a wave flume and direct measurements of the smooth and rough bed shear stress under regular and irregular waves were conducted with the horizontal force exer...
关键词：wave boundary layer friction coefficient shear plate shear stress Acoustic Doppler Velocimeter （ADV） 
LADCP数据处理方法的探讨及其对应软件包的使用被引量：6
《海洋技术》2006年第4期1-5,57,共6页郭心顺 杨庆轩 康建军 田纪伟 
国家自然科学基金资助项目(40552002);国际科技合作(2004DFB02700)资助项目;国家重点基础研究发展计划(2005CB422303)资助项目
针对国内当前在LADCP数据处理过程中出现的问题,引入了国际海洋界目前普遍使用的两种方法,即剪切方法和逆方法,着重阐述了它们的主要思想,并详细介绍了基于这两个方法而编写的软件包,包括它们的构成、各部分的功能、具体使用步骤及注意...
关键词：Lowered ACOUSTIC DOPPLER CURRENT Profilers(LADCPs) 下放式测量 剪切方法 逆方法 
Current observations in the southern Yellow Sea in summer被引量：1
《Chinese Journal of Oceanology and Limnology》2004年第3期217-223,共7页唐晓晖 王凡 陈永利 白虹 胡敦欣 
ContributionNo.4608fromtheInstituteofOceanology,ChineseAcademyofSciences,Qingdao,ChinaSupportedbytheNationalBasicResearchProgramofChina(No.G1999043803).
Current data from three moored Acoustic Doppler Profilers (ADPs) deployed in the southern Yellow Sea at sites A (1-24.17°E, 34.82°N), B (122.82°E, 35.65°N) in summer 2001 and site C (120.85°E, 34.99°N) in summer...
关键词：current observation the southern Yellow Sea Acoustic Doppler Profiler spectral analysis tidal current residual current 
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