A Composite Approach of Electromagnetic Acoustic Transducer and Eddy Current for Inner and Outer Corrosion Defects Detection
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3238689
Abstract: In the production and service of pipelines, automated electromagnetic detection is widely employed to diagnose potential defects. However, the single inspection method can hardly multiposition detect detection simultaneously due to limited signal features. In this… read more here.
Keywords: approach electromagnetic; electromagnetic acoustic; acoustic transducer; detection ... See more keywords
Generating an Adjustable Focused Field With an Annular Shape Using a Cylindrical Acoustic Transducer Array
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2019.2943345
Abstract: We present the focusing structure of a cylindrical acoustic transducer array consisting of many annular piezoelectric wafer elements operating in the radial vibration mode. Using Huygens’ principle, we calculated the delay parameters associated with the… read more here.
Keywords: transducer; array; field; cylindrical acoustic ... See more keywords
Spatially shaped acoustic transducer arrays
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/2.0000634
Abstract: A shaped acoustic beam pattern that directs acoustic energy in the ± 45° direction with depressed acoustic energy at 0° is described. The shape of the beam pattern is controlled by area shading and the… read more here.
Keywords: acoustic transducer; spatially shaped; acoustic energy; transducer arrays ... See more keywords
Influence of the type of acoustic transducer in pure-tone audiometry
Sign Up to like & getrecommendations! Published in 2022 at "CoDAS"
DOI: 10.1590/2317-1782/20212021019
Abstract: ABSTRACT Purpose To compare the air-conduction hearing thresholds obtained with different acoustic transducers and verify the users’ preferences regarding them. Methods This is a cross-sectional, analytical, observational study with 26 participants aged 18 to 30… read more here.
Keywords: acoustic transducer; transducer; type acoustic; pure tone ... See more keywords