acoustic Doppler current profiler measurement
Mass transport evaluation using consolidated VHF Radar and Acoustic Doppler Current Profiler data
... surface current due to side-lobe ringing within a few metres of the ...surface current radar was used to measure the current across the surface of the ...Surface Current Radar operating in the ...
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Quantifying uncertainty in acoustic measurements of tidal flows using a 'Virtual' Doppler Current Profiler
... turbulent current conditions at tidal races using Acoustic Doppler (AD) ...in measurement of subsurface velocities and sea surface ...of current conditions; however, the smaller fl ...
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Mass transport evaluation using consolidated VHF Radar and Acoustic Doppler Current Profiler data
... of measurement within the water ...enables current profile measurements to be made along coastal transects, such as in the study conducted by Lee ...
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Response of suspended sediment concentration to tidal dynamics at a site inside the mouth of an inlet: Jiaozhou Bay (China)
... near-bed measurement of turbidity, salinity and ...profile measurement was finished within 1 ...An acoustic Doppler current profiler (ADCP) was vessel-mounted ...for ...
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Mass transport evaluation using consolidated VHF Radar and Acoustic Doppler Current Profiler data
... of current measurement from the spectra, so a method of characterising the noise was developed and used to improve the accuracy of current ...underlying current velocity from their +/- ...
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Acoustic Doppler current profiler observations of migration patternsof zooplankton in the Cretan Sea
... One parameter used to potentially identify the optimal cell extension and sampling interval for the most appropri- ate recording of zooplankton signals was the hereafter de- fined “burst speed”. The burst speeds of each ...
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Potencials of sap flow evaluation by means of acoustic emission measurements
... The work deals with measurement techniques of water conducting system in the trees. Water conducting system (including xylem and phloem) indicates its importance for related physiological processes. There are ...
6
Ocean Dynamics and Sediment Transport Measuring Acoustic and Optical Instruments
... shore current circulation pattern and ocean ...the measurement techniques of ocean physical process and changes in the geo-morphology by circulation, wave parameters, bottom stress and suspended sediment ...
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An assessment of the performance of a 1.5 µm Doppler lidar for operational vertical wind profiling based on a 1-year trial
... pointing Doppler beam swinging (DBS) ...min Doppler lidar scan and 10 min aver- aged 1290 MHz radar data for four different times which also showed a very good level of agreement, except for somewhat less ...
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Transport of Antarctic bottom water through the Kane Gap, tropical NE Atlantic Ocean
... Abstract. We study low-frequency properties of the Antarc- tic Bottom Water (AABW) flow through the Kane Gap (9 ◦ N) in the Atlantic Ocean. The measurements in the Kane Gap include five visits with CTD ...
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Measurement of the Acoustic Properties of Acoustic Absorbers
... Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System. • European Standard EN 1793-5, Road tr[r] ...
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The dynamic performance of flexural ultrasonic transducers
... Although low frequency FUT devices have been commercially available for decades, there is remarkably little in the published literature to explain their operation or demonstrate how their performance can be thoroughly ...
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Combined vertical-velocity observations with Doppler lidar, cloud radar and wind profiler
... The Doppler lidar (λ = ...wind profiler detects echoes from refrac- tive index fluctuations originating from turbulent eddies in the atmosphere with sizes of half its wavelength of λ = ...wind ...
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Flow and mixing near a glacier tongue: a pilot study
... low acoustic backscat- ter at say 80 m might indicate few reflectors at that depth or a high degree of acoustic attenuation above the sample vol- ...
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A study on meiyu boundary layer characterstics over dongshan china using wind profiler radar
... level, Doppler velocities of 1-2 ms -1 associated with falling ice and snow, and small spectral width indicative of, at most, weak vertical motions and turbulence characterize the period of stratiform ...
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Acoustic Standing Wave Field Measurement Using a Laser Doppler Vibrometer Based on the Hankel Fourier Algorithm
... the acoustic pressure would be sensitive to even a small variations in c 2 0 ...corresponding acoustic calcualtion result would then deviate by ...the acoustic pres- sure is sensitive to temperature ...
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Index Catalog // Carolina Digital Repository
... rip current rescue ...rip current activity, this disparity suggests that hazardous rip currents are more likely to occur during swell dominated periods and not as likely when wind sea is more ...rip ...
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Moving Media and Frames in Acoustic Doppler Effect
... Wuhan Doppler (1803-1853) revealed in a paper in 1842 [1] that the color of a luminous substance should change due to its relative movement and ...named Doppler Effect can be seen through all the waves, and ...
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Non-Invasive Millimeter-Wave Profiler for Surface Height Measurement of Photoresist Films
... entire measurement setup takes a fraction of the space required by more expensive instruments, and can be easily relocated as it is not sensitive to mechanical ...and measurement results, the thinnest ...
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Reflection of microwave pulses from acoustic waves: summary of experimental and computational studies
... A successful demonstration of such a technology is important. There are many potential applications for detection of electromagnetic (EM) pulses off acoustic waves, such as nondestructive evaluation of materials, ...
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