Results 1 to 10 of about 771,315 (154)

Current Measurement and Velocity Spatial Distribution of Deep Ocean Engineering Basin

open access: yes한국해양공학회지, 2021
To ensure the international competitiveness of the domestic offshore plant industry, a consensus has been formed regarding the requirement for large offshore basins for performing offshore plant performance verification.
Sung-Jun Jung   +7 more
doaj   +1 more source

Applicability of the PIV system for velocity field measurement inside the ultrasonic flowmeter [PDF]

open access: yesMATEC Web of Conferences, 2021
Ultrasonic (US) flow meters are devices for a fluid flow measurement using the ultrasonic principle. Current research project dealing with developing the ultrasonic flowmeter with an innovative channel shape. Previously the work was aimed to the topology
Novosád Jan   +2 more
doaj   +1 more source

Dynamic Optimization Method for Broadband ADCP Waveform with Environment Constraints

open access: yesSensors, 2021
Broadband acoustic Doppler current profiler (ADCP) is widely used in agricultural water resource explorations, such as river discharge monitoring and flood warning.
Yongshou Yang, Shiliang Fang
doaj   +1 more source

Precision and Accuracy of Pulse Propagation Velocity Measurement in Power Cables

open access: yesEnergies, 2023
The partial discharge (PD) measurement is an important method used in determining the condition of medium- and high-voltage cable insulation. Considering the propagation velocity of PD signals in power cables is necessary for determining the location of ...
Ivar Kiitam   +5 more
doaj   +1 more source

Virtual Metrology Filter-Based Algorithms for Estimating Constant Ocean Current Velocity

open access: yesRemote Sensing, 2023
The strap-down inertial navigation system (SINS) and Doppler velocity log (DVL) integrated navigation system are widely used for autonomous underwater vehicles (AUVs). Whereas DVL works in the water tracking mode, the velocity provided by DVL is relative
Yongjiang Huang   +3 more
doaj   +1 more source

Accuracy and Error Analysis of Vector Measurement of Ocean Surface Current by Multi-Aperture Along-Track Interferometric SAR

open access: yesIEEE Access, 2020
The ocean surface current vector contains velocity and direction information, and its acquisition method has important research value in marine applications.
Yan Li   +4 more
doaj   +1 more source

Development of Electromagnetic Current Meter for Marine Environment

open access: yesJournal of Marine Science and Engineering, 2023
Ocean current is one of the most important parameters in ocean observation, and ocean current measurement based on electromagnetic induction is becoming more and more important because of its advantages such as simple structure and high measurement ...
Shizhe Chen   +8 more
doaj   +1 more source

Satellite Velocity Correction Method of Ocean Current Retrieval for a Spaceborne Doppler Scatterometer

open access: yesRemote Sensing, 2023
For a spaceborne pencil-beam rotating Doppler scatterometer, its precision in measuring the ocean surface motion depends on the Doppler centroid of the received signals.
Jingyu Zhang, Xiaolong Dong, Di Zhu
doaj   +1 more source

Using Orthogonal Combined Signals in Broadband ADCP for Improving Velocity Measurement

open access: yesJournal of Marine Science and Engineering, 2020
Broadband Acoustic Doppler Current Profiler (BBADCP) is a widely used technology in velocity measurements. To adapt to the varied water environment and different measurement requirements, flexible tuning of transmitted signal parameters will improve the ...
Yujing Lin, Fei Yuan, En Cheng
doaj   +1 more source

A New Method of Ka DBF ATI-SAR for Full Ocean Current Vectors Inversion

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
For applications such as high-precision current velocity field monitoring, Ka-band SAR has an important advantage in baseline configuration, which can be configured with dual antennas or more effective phase centers for a single satellite, forming ...
Hui Wang   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy