Results 131 to 140 of about 115,036 (200)

Multi-channel ultrasonic Bessel vortex beams by spatial multiplexing metalens. [PDF]

Commun Eng
Su Y, Wang D, Gu Z, Liu C, Zhu J.
europepmc   +1 more source

Clinical Study on the Combined Application of Ultrasound Probes to Improve the Diagnostic Value of Adenomyosis at the Bottom of the Gallbladder. [PDF]

J Multidiscip Healthc
Ma HY, Wu T, Yin GM, Ma YH, Wang Q, Zhao XY, Lu YY.   +6 more
europepmc   +1 more source

Widefield acoustics heuristic: advancing microphone array design for accurate spatial tracking of echolocating bats. [PDF]

BMC Ecol Evol
Umadi R.
europepmc   +1 more source

All-optically controlled phased-array for ultrasonics. [PDF]

Nat Commun
Goyal R, Demeulenaere O, Fournelle M, Athanassiadis AG, Fischer P.   +4 more
europepmc   +1 more source

Research on Acoustic Field Correction Vector-Coherent Total Focusing Imaging Method Based on Coarse-Grained Elastic Anisotropic Material Properties. [PDF]

Sensors (Basel)
Zhao T, Liu Z, Zhang D, Wang J, Peng G.
europepmc   +1 more source

UltraFlex: Iterative Model-Based Ultrasonic Flexible-Array Shape Calibration. [PDF]

IEEE Trans Ultrason Ferroelectr Freq Control
Frey BN, Hyun D, Simson W, Zhuang L, Hashemi HS, Schneider M, Dahl JJ.   +6 more
europepmc   +1 more source

Development of ultrasonic model-based iterative reconstruction technique for concrete structures with corroded rebars. [PDF]

Sci Rep
Alanazi AM.
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Rapid ultrasonic array assessment framework method for evaluating ultrasonic array transducer performance

Applied Acoustics, 2021
Abstract Ultrasonic array modelling is widely used to understand the performance of new transducer materials or geometries in a range of application scenarios. However, array modelling from first principles is both time-consuming and challenging due to the required knowledge of accurate acoustic and piezoelectric properties.
Sun, Xiaoyu, Drinkwater, Bruce W, Croxford, Anthony J   +2 more
openaire   +1 more source

Medical ultrasonic arrays

The Journal of the Acoustical Society of America, 1978
The subject of multielement ultrasonic transducers is presented, with emphasis on describing the ultrasonic transducer design techniques and time-delay pulsing schedules used to achieve real-time imaging, beam steering, and beam focusing. Transducer design techniques make use of a first-order scattering theory in fluids, which model quite nicely many ...
J. L. Rose, P. A. Meyer, M. S. Good
openaire   +1 more source