Acoustic measurements
Multi-positional Acoustic Measurements for Auralization of St Margaret’s Church, York, UK
... the acoustic behaviour of a space is to measure the impulse re- sponses across different receiver positions, and report the average values of the acoustic parameters ...for acoustic design ...
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Acoustic measurements for the combustion diagnosis of diesel engines fuelled with biodiesels
... vibration, acoustic and in-cylinder pressure were measured simultaneously to find their inter-connection for diagnostic feature ...of acoustic signal by suppressing the components which are ...airborne ...
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Acoustic measurements of post dive cardiac responses in southern elephant seals (Mirounga leonina) during surfacing at sea
... This study is based on data collected from four post-breeding female southern elephant seals (Table 1): two in October 2011 and another two in October/November 2012 on Kerguelen Islands (49° 20 ′ S, 70°20 ′ E). ...
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3-dimensional binaural sound rendering using acoustic measurements stored in the SOFA format
... Several groups all over the world are researching in several ways to render 3D sounds. One way to achieve this is to use Head Related Transfer Functions (HRTFs). These measurements contains the Frequency Response ...
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A Particle Velocity Microphone for the Song of Small Insects and other Acoustic Measurements
... The microphone has three major components, a pressure gradient transducer, an FET impedance converter in the microphone head and an integrating amplifier to correct the frequency and pha[r] ...
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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) technology. AD technology is commonly used in measurement of subsurface velocities and sea surface elevation. Upward looking devices emit ...
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Assessment of Indoor and Outdoor Noise Pollution at a University Hospital Based on Acoustic Measurements and Noise Mapping
... Acoustic mapping enables the assessment of the entire area affected by noise in front of the main facade, providing a detailed view of noise pollution [29] [30] [31]. In this study, the acoustic map was ...
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Prediction of leak flow rate in plastic water distribution pipes using vibro-acoustic measurements
... Water pipes are the primary method of transporting water to customers worldwide. Leaking pipes are an international problem and represent dangers to public health and the environment, as well as economic losses from ...
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Sounds of Failure: Passive Acoustic Measurements of Excited Vibrational Modes
... As such, both experiments and simulations tantalizingly suggest that information about the rigidity of a system might be encoded within Dðω; tÞ as the system evolves under external loading (thus, the notation to denote ...
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Evaluation of the Acoustic Environment in a Protestant Church Based on Measurements of Acoustic Descriptors
... aforementioned acoustic parameters were measured in the Abba Christian Fellow- ship Church in the city Curitiba (southern ...perforated acoustic ceiling panels, textured painted walls and a rostrum with ...
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Error evaluation in acoustic positioning of a single transponder for seafloor crustal deformation measurements
... accurate acoustic measurements of distances between a transponder attached on the side of the vessel (onboard station) and one located on the ocean bottom (seafloor ...with acoustic positioning ...
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Lattice swelling and modulus change in a helium-implanted tungsten alloy: X-ray micro-diffraction, surface acoustic wave measurements, and multiscale modelling
... randomly oriented SIAs (i.e. 1556 appm SIA concentration). The Voigt isotropic elastic constants were then calculated using equations (15-‐17) and the surface acoustic wave velocities estimated using equation (5) ...
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Acoustic iridescence
... Next it was necessary to determine the thickness of the layers necessary to produce iridescence starting at a particu- lar design frequency for normal reflection. One approach would have been to determine the bulk ...
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Observations of Surface Acoustic Wave Strain and Resistive Strain Measurements on Broaching Tools for Process Monitoring
... Up to this time there has been relatively little focus on the strains and forces experienced on the tool side of the broaching process. Axinte et al[8] investigated the monitoring of various broaching tool profiles with ...
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Scanning acoustic microscopy investigation of frequency-dependent reflectance of acid-etched human dentin using homotopic measurements
... Scanning acoustic microscopy appeared in the early 1970‟s as a new research technique that could provide measurement of mechanical properties of a substrate at spatial resolutions comparable to that of optical ...
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Large-Scale clustering of acoustic segments for sub-word acoustic modelling
... of acoustic modelling in ...the acoustic data and the corresponding orthography are available, the word boundaries are ...the acoustic clustering is ...
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Experimental analysis of cavitation in a centrifugal pump using acoustic emission, vibration measurements and flow visualization
... The area of interest photographed with the camera as well as the positions of the AE and vibration sensors are depicted in Figure 5. Both sensors are located as close to the impeller eye as possible, as literature ...
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THE REQUIRED NUMBER DETERMINATION OF MEASUREMENTS FOR ADVANCED VIBRO AND ACOUSTIC METHOD OF DIAGNOSTICS OF REINFORCED CONCRETE OF THE CONTACT ENVIRONMENT
... ВИЗНАЧЕННЯ НЕОБХІДНОЇ КІЛЬКОСТІ ВИМІРІВ ДЛЯ ВДОСКОНАЛЕНОГО ВІБРОАКУСТИЧНОГО МЕТОДУ ДІАГНОСТИКИ ЗАЛІЗОБЕТОННИХ ОПОР КОНТАКТНОЇ МЕРЕЖІ Досліджено необхідна кількості нанесення ударів по оп[r] ...
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Early detection of first time slope failures using acoustic emission measurements : large scale physical modelling
... the measurements in this study were made at displacement rates above 0·5 mm/h; however, previous research through field trials reported by the authors in Smith et ...velocity measurements from this field ...
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Diel vertical migrations ofMeganyctiphanes norvegica in the Kattegat: Comparison of net catches and measurements with Acoustic Doppler Current Profilers
... of the shipboard team, particularly Dipl.-Biol. Wieland are gratefully acknowledged. Papen- burg fought a successful battle with a stubborn net-release mechanism. GroB [r] ...
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