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transducer array

Axial characteristics of a focused ultrasound transducer array

Axial characteristics of a focused ultrasound transducer array

... Out-of-plane artefacts in photoacoustic imaging are a major problem and correct- ing the photoacoustic images is challenging. When these out-of-plane artefacts appear at the same position with in-plane features ...

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NovoTTF™ 100A System (Tumor Treating Fields) transducer array layout planning for glioblastoma: a NovoTAL™ system user study

NovoTTF™ 100A System (Tumor Treating Fields) transducer array layout planning for glioblastoma: a NovoTAL™ system user study

... ent transducer array configurations are applied to the sur- face of the model in order to understand how an externally applied electric field, of preset frequency, will distribute throughout the ...

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Experimental Characterization of A Piezoelectric Transducer Array Taking into Account Crosstalk Phenomenon

Experimental Characterization of A Piezoelectric Transducer Array Taking into Account Crosstalk Phenomenon

... single transducer and transducer arrays [34-35] with higher powers and mostly lower ...a transducer array composed of seven piezoelectric elements made of a conventional PZ 27 ceramic ...the ...

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Ultrasound Imaging of Pipeline Crack Based on Composite Transducer Array

Ultrasound Imaging of Pipeline Crack Based on Composite Transducer Array

... composite transducer array contains three acous- tic beam incidence modes, namely normal incidence, axial oblique incidence, and circumferential oblique ...the transducer array passes through ...

10

Flexible Two-dimensional Ultrasonic Transducer Array: Design, Fabrication and Characterization.

Flexible Two-dimensional Ultrasonic Transducer Array: Design, Fabrication and Characterization.

... ultrasonic transducer are designed and ...flexible transducer arrays can be used to conform to the targets curvature and give better ...two-dimensional transducer array presents certain ...

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Investigation of Techniques to increase the Field of View of a Staring Transducer Array for Photoacoustic Imaging

Investigation of Techniques to increase the Field of View of a Staring Transducer Array for Photoacoustic Imaging

... fibers), transducer array, data acquisition (DAQ) system and personal computer (PC) indicated with ...1.4: Transducer orientations. (a) A single transducer showing a raster scanning movement, ...

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Implementation Of Acoustics Based Time Reversal Mirrors For Source Localization

Implementation Of Acoustics Based Time Reversal Mirrors For Source Localization

... the transducer array emitted the acoustic wave to localize the source where the other side of the transducer ...the transducer array based on the localization algorithm which was ...

5

Parallel Receiving Needle Beam Ultrasonic Testing Technique

Parallel Receiving Needle Beam Ultrasonic Testing Technique

... the transducer array by use of the volume focusing technique is shown in ...the transducer array and ultrasonic reflected signals (echoes) from the test object are received using all elements ...

8

Translational-circular scanning for magneto-acoustic tomography with current injection

Translational-circular scanning for magneto-acoustic tomography with current injection

... the transducer and scanning ...the transducer moves around the sample which is placed in a region relatively far from the ...the transducer array in MAT-CI, we propose an alternative scanning ...

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Investigation of Cross-Coupling in Piezoelectric Transducer Arrays and Correction

Investigation of Cross-Coupling in Piezoelectric Transducer Arrays and Correction

... piezoelectric transducer array (the Transmitting Voltage Response (TVR), the surface displacement profile and the directivity pattern), the structure in ...studied array has a thickness ...The ...

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Optimization Design of Phased Array Ultrasonic Transducer Arrays

Optimization Design of Phased Array Ultrasonic Transducer Arrays

... the transducer array parameters directly affect the performance of the audio directional transmission ...of array element, the pitch, the frequency and the deflection angle on the array ...

6

Method and means for gravity table automation

Method and means for gravity table automation

... An apparatus for determining quality of a pharma ceutical product of a prede?ned type, comprising: impact transducer means for generating a transducer signal indicative of a set of physi[r] ...

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Study of an Omnidirectional Guide Wave Sensor Using an EMAT

Study of an Omnidirectional Guide Wave Sensor Using an EMAT

... Nondestructive inspection of structures is important for ensuring the safety of the social infrastructure. Among them, the ultrasonic inspection method plays a role as a major technology. However, when examining a huge ...

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A Survey on Ultrasonic Transducers Technology

A Survey on Ultrasonic Transducers Technology

... ultrasonic transducer with more advanced fabrication technology and improved performance was introduced in 1993 by ...new transducer technology (Khuri- Yakub BT, et al, ...

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Acoustic and video imaging system for quality determination of pharmaceutical products

Acoustic and video imaging system for quality determination of pharmaceutical products

... impact transducer arrangement. The impact transducer generates transducer signals indicative of the physical characteristics of each product ...The transducer signal and digital image ...

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The Fontogram: A Noninvasive Intracranial Pressure Monitor

The Fontogram: A Noninvasive Intracranial Pressure Monitor

... Simultaneous recordings were made using physiologic pressure transducer connected to ventricular needle and applanation transducer.. Perfect correlation coefficient, r, is.[r] ...

7

A simple, sensitive and versatile solid state pressure transducer

A simple, sensitive and versatile solid state pressure transducer

... Because the transducer is primarily employed to measure differences in pressure, offset pressures are first nulled by VR2, and the output voltage of the transducer corresponding to press[r] ...

6

PubMedCentral-PMC5848826.pdf

PubMedCentral-PMC5848826.pdf

... To determine the CMUT bandwidth in receive mode, five different single-element transducers (Olympus, Waltham, MA, USA) were used to cover a frequency range from 0.5 to 20 MHz. A list of the transducers and their ...

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A Better N Best List: Practical Determinization of Weighted Finite Tree Automata

A Better N Best List: Practical Determinization of Weighted Finite Tree Automata

... Determinizing a tree-to-weight transducer can be thought of as a two-stage process. First, the structure of the automata must be determined such that a sin- gle hyperpath exists for each recognized input tree. ...

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PubMedCentral-PMC5300895.pdf

PubMedCentral-PMC5300895.pdf

... 1) Transducer Design and Characterization—The dual-frequency IVUS transducer consists of a low frequency transmitter (2.25 MHz) at the bottom and a high frequency receiver (30 MHz) layered on top of it ...

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