Sound Speed
The sound speed anomaly of Baltic seawater
... mospheric pressure (von Rohden et al., 2015). The experi- mental setup described there was also used for the laboratory measurements in the current study. In summary, the sensors together with two PTB-calibrated standard ...
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IMPROVED SOUND SPEED CONTROL THROUGH REMOTELY DETECTING STRONG CHANGES IN THE THERMOCLINE
... and sound speed sensors are normally fitted within the fish ...frequent sound speed profile updates without halting the survey and stopping the vessel (Rudnick and Klinke, ...
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Sound speed profile structure and variability measured over flat terrain
... The combination of temperature variation and wind speed variation with height means that the sound speed profile can be expected to vary in a log-linear form with height. This conclusion is based on ...
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The role of force networks in granular materials
... Granular materials are inherently heterogeneous, and con- tinuum models of properties such as the shear modulus and sound speed often fail to quantitatively capture their dynamics. This lack of ...
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Directional acoustic radiation in the strut display of male sage grouse Centrocercus urophasianus
... the speed of sound is known, that there is little wind and that receiver positions are accurately known (Spiesberger and Fristrup, ...1990). Sound speed was calculated from air temperature ...
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Reduction of refraction effects due to inadequate sound velocity profile measurements in multibeam echosounder systems
... inadequate sound speed measurements effects in two phases in ...surface sound speed affects the beam forming and the sound velocity profile affects the ray ...by sound ...
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RETRACTED: The Effects of Internal Waves on Propagation Behavior of Sound in the Sea
... For sound speed fluctuations, there are also models, for example, Garrett-Munk spectrum of internal ...of sound speed field inhomogeneities. The sound-velocity fluctuation is related to ...
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Investigating Granular Structure with Spatial and Temporal Methods.
... single sound speed in a granular ...flight sound speed using the familiar formula, c = ∆x ∆t , where ∆x is the distance from the source to the detector embedded inside the packing and ∆t is ...
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A Brief Review for Quasi Periodic Oscillations in Neutron Star Low Mass X Ray Binaries
... and sound speed [69] proposed the sound-point model, which ascribes the frequency of upper kHz QPO as the Keplerian motion of accretion flow at a radius near the sonic point at the inner edge of ...
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Time-distance analysis of the emerging active region NOAA 10790
... the sound-speed perturbation seen in Figure 4 is related to the emergence of a hot packet of plasma in the cold plasma column seen in Figure ...increased sound speed preceded and followed by ...
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Projectile Attack of Surface Scattered Munitions Comparing Closed Form Theory with Live Trials pdf
... Sound speed in air Overturning moment coefficient derivative Bulk sound speed, a material constant Release wave velocity in the explosive Projectile diameter Critical energy Walker and W[r] ...
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Speed of Sound in Atmosphere of the Earth
... temperature and does not depend on altitude while the density itself exponentially depends on it. As a matter of fact the density may be perturbed not only adiabaticaly, but isobaricaly as a result of entropy ...
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Comparison of three multibeam acoustic wave path refraction compensation techniques
... The implementation of Real Time Kinematic (RTK) Global Positioning System (GPS) has further improved the positional accuracy of MBES. By measuring the phase of the carrier wave of the RTK, centimeter level horizontal ...
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Effect of disorder on bulk sound wave speed: a multiscale spectral analysis
... materials’ sound propagation ...the sound wave speed and its low-pass frequency-filtering char- acteristics is the subject of this ...the sound wave speed along a granu- lar ...wave ...
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Studies into the detection of buried objects (particularly optical fibres) in saturated sediment Part 2: design and commissioning of test tank
... Second, there is the design and production of a transducer system. It was the intention that this would be suitable for an investigation into the non-invasive acoustic detection of buried objects. A focused reflector is ...
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A field investigation into the relationship between LA90 and LAeq wind turbine sound level descriptors in New Zealand : a thesis presented in part fulfilment of the requirements for the degree of Master of Philosophy (Science) majoring in Environmental Acoustics at Massey University, Wellington, New Zealand
... emitted sound associated with the rotation of mechanical and electrical equipment tends to be tonal [of a common frequency] although it may have a broadband ...mechanical sound and radiating it out into its ...
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The speed of sound in gases
... The speed of sound in various gases was measured using two different acoustic resonators. The temperatures and pressures of the gases were accurately controlled an[r] ...
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International Journal of Computer Science and Mobile Computing
... Abstract- This paper presents a device to detect rash driving on highways and to alert the traffic authorities in case of any violation. In past, lot of devices to detect rash driving on highways has been made. Most of ...
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Discordant effect of body mass index on bone mineral density and speed of sound
... Background: Increased BMI may affect the determination of bone mineral density (BMD) by dual X-ray absorptiometry (DXA) and speed of sound (SOS) measured across bones. Preliminary data suggest that axial ...
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Volume 4, Issue 11, 2018
... measure speed of sound and broadband ultrasound attenuation using a quantitative ultrasound ...the speed of sound and broadband ultrasound ...whereas speed of sound significantly ...
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