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Acoustic sensors

Snow drift: acoustic sensors for avalanche warning and research

Snow drift: acoustic sensors for avalanche warning and research

... two acoustic wind drift sensors are evaluated against different mechanical snow traps and one optical snow particle ...the acoustic sensors for applications such as avalanche warn- ing and ...

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Fibre Bragg Grating-based Cascaded Acoustic Sensors for Potential Marine Structural Condition Monitoring

Fibre Bragg Grating-based Cascaded Acoustic Sensors for Potential Marine Structural Condition Monitoring

... PZT-based sensors for acoustic monitoring on glass and metal ...FBG-based acoustic sensor system has thus been successfully developed and verified through both the glass plate and metal plate ...

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Body-conductive acoustic sensors in human-robot communication

Body-conductive acoustic sensors in human-robot communication

... Anthropomorphic robots such as Geminoid HI-1 are de- signed and developed to interact with humans in differ- ent environments where also noise might be present. For more effective operation of Geminoid, the use of ...

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Bedload transport monitoring with acoustic sensors in the Swiss Albula mountain river

Bedload transport monitoring with acoustic sensors in the Swiss Albula mountain river

... with acoustic sensors were obtained during summer 2015 in the Albula River in ...impact sensors were installed in a new permanent measuring station to monitor continuously bedload transport in a ...

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Modelling of Resonance Frequency of MEMS Corrugated Diaphragm for Capacitive Acoustic Sensors (TECHNICAL NOTE)

Modelling of Resonance Frequency of MEMS Corrugated Diaphragm for Capacitive Acoustic Sensors (TECHNICAL NOTE)

... capacitive acoustic sensors generally consist of a diaphragm, which is vibrated by impinging of acoustic wave pressure, a back plate and air ...MEMS acoustic sensor is determined by resonance ...

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Designing and Modeling of Efficient Resonant Photo Acoustic Sensors for Spectroscopic Applications

Designing and Modeling of Efficient Resonant Photo Acoustic Sensors for Spectroscopic Applications

... of acoustic filter which can used to reduce the ex- ternal noise, the resonance cavity which is made of stainless steel and its first resonance frequencies in the range of the chopper values, a microphone coupled ...

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Design and characterisation of long period grating (LPG) - based optical fibre sensors for acoustic wave detection

Design and characterisation of long period grating (LPG) - based optical fibre sensors for acoustic wave detection

... an acoustic sensor based only on a single loop of single mode ...macrobend acoustic sensors, microbend acoustic sensors have also been developed, which will be discussed later in this ...

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Large scale physical modelling of soil filled
masonry arch bridges

Large scale physical modelling of soil filled masonry arch bridges

... INSTRUMENTATION Displacement transducers, pressure cells, electronic resistance strain gauges and acoustic sensors can be placed in various positions in order to measure the deformation [r] ...

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Accident Detection System Using Android App

Accident Detection System Using Android App

... used sensors such as cameras acoustic sensors ...infrared sensors, pressure sensors, or accelerometer for vibration detection are placed in a predefined space or environment to monitor ...

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Fibre Bragg Grating-based Acoustic Sensor Array for Improved Condition Monitoring of Marine Lifting Surfaces

Fibre Bragg Grating-based Acoustic Sensor Array for Improved Condition Monitoring of Marine Lifting Surfaces

... (FBG)-based acoustic sensors in a marine ...PZT sensors acoustic sensors for comparison using triangulation to determine the location of the excitation source (a ...FBG-based ...

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Calibration of Acoustic Emission System for Materials Characterization

Calibration of Acoustic Emission System for Materials Characterization

... of sensors. Without good sensitivity of sensors we cannot get correct ...the sensors which we are using for experimental studies prior to the conduct of experimental ...

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Abstract:- In the automotive industry noise generation by tire has become an important area for the

Abstract:- In the automotive industry noise generation by tire has become an important area for the

... In order to obtain the acoustic data, the pressure acting on the tyre is one of the most important factors that cause the sound variations. In order to determine the areas where significant variations in pressure ...

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Workshop on new developments in cetacean survey methods

Workshop on new developments in cetacean survey methods

... Buckland, S.T., R.W. Summers, D.L. Borchers and L. Thomas. 2006. Point transect sampling with traps or lures. Journal of Applied Ecology 43: 377-384. Dawson, D. K. & Efford, M. G. 2009. Bird population density ...

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Flexible surface acoustic wave broadband strain sensors based on ultra-thin flexible glass substrate

Flexible surface acoustic wave broadband strain sensors based on ultra-thin flexible glass substrate

... the sensors have very high ...The sensors showed excellent flexibility and can withstand strains up to 3000 με which is 4~6 times larger than those of SAW sensors on rigid ...The sensors have ...

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Response of suspended sediment concentration to tidal dynamics at a site inside the mouth of an inlet: Jiaozhou Bay (China)

Response of suspended sediment concentration to tidal dynamics at a site inside the mouth of an inlet: Jiaozhou Bay (China)

... A field investigation base from an anchored vessel was carried out between August 13 and August 20, 2001, from neap to spring tides, in the vicinity of the bay mouth (36°05.072’N; 120°13.113’E) (Fig. 1). Two ...

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Development of flexible ZnO thin film surface acoustic wave strain sensors on ultrathin glass substrates

Development of flexible ZnO thin film surface acoustic wave strain sensors on ultrathin glass substrates

... Surface acoustic wave strain sensors based on ZnO/ultra-thin glass have been ...strain sensors, and thicker ZnO makes sensors with better performance and ...strain sensors are ...strain ...

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Bendable transparent ZnO thin film surface acoustic wave strain sensors on ultra-thin flexible glass substrates

Bendable transparent ZnO thin film surface acoustic wave strain sensors on ultra-thin flexible glass substrates

... Al-dope ZnO (AZO) as the electrodes, 13, 16- 18 and demonstrated their usability for communication, sensors and microfluidics. Here we report FT-SAW devices made on transparent and ultra- thin flexible glass using ...

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A Bioparticle Separator based on Dielectrophoretic Integrated with Acoustic Force: Design and Simulation

A Bioparticle Separator based on Dielectrophoretic Integrated with Acoustic Force: Design and Simulation

... utilizing acoustic and dielectrophoretic (DEP) ...long-range acoustic waves and short-rang dielectrophoretic ...while, acoustic force created using IDTs (Inter Digitated Transducers) patterned on a ...

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A theoretical model of an ultrasonic transducer incorporating spherical resonators

A theoretical model of an ultrasonic transducer incorporating spherical resonators

... Ultrasound is employed in a variety of technological applications which include penetration of a medium and analysis of the reflected wave (medical imaging and non-destructive evaluation) and focused energy supply ...

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Acoustic Design of a Classical Concert Hall and Evaluation of its Acoustic Performance A Case Study

Acoustic Design of a Classical Concert Hall and Evaluation of its Acoustic Performance A Case Study

... the acoustic performance between the timber and timber-concrete ...the acoustic comfort level and structural ...an acoustic evaluation of a contemporary church based on in situ ...two acoustic ...

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