A self-reciprocity calibration method for broadband focused transducers

Shuzeng Zhang; Christopher M. Kube; Yongfeng Song; Xiongbing Li

doi:10.1121/1.4962376

A self-reciprocity calibration method for broadband focused transducers

Shuzeng Zhang, Christopher M. Kube, Yongfeng Song, Xiongbing Li

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

A procedure is developed for self-calibration of broadband, spherically focused ultrasonic transducers based on reciprocity. The input and received signals are measured in a pulse-echo configuration. These signals are used in conjunction with a multi-Gaussian beam model to obtain the electromechanical transfer function of the transducer. This calibration procedure is advantageous because it reduces the experimental configuration to a single transducer and a reflector. Experimental results indicate that the transfer function is insensitive to on-axis reflector placement. This result supports the feasibility of integrating the calibration procedure into actual testing in some situations.

Original language	English (US)
Pages (from-to)	EL236-EL241
Journal	Journal of the Acoustical Society of America
Volume	140
Issue number	3
DOIs	https://doi.org/10.1121/1.4962376
State	Published - Sep 1 2016

All Science Journal Classification (ASJC) codes

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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10.1121/1.4962376

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abstract = "A procedure is developed for self-calibration of broadband, spherically focused ultrasonic transducers based on reciprocity. The input and received signals are measured in a pulse-echo configuration. These signals are used in conjunction with a multi-Gaussian beam model to obtain the electromechanical transfer function of the transducer. This calibration procedure is advantageous because it reduces the experimental configuration to a single transducer and a reflector. Experimental results indicate that the transfer function is insensitive to on-axis reflector placement. This result supports the feasibility of integrating the calibration procedure into actual testing in some situations.",

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AB - A procedure is developed for self-calibration of broadband, spherically focused ultrasonic transducers based on reciprocity. The input and received signals are measured in a pulse-echo configuration. These signals are used in conjunction with a multi-Gaussian beam model to obtain the electromechanical transfer function of the transducer. This calibration procedure is advantageous because it reduces the experimental configuration to a single transducer and a reflector. Experimental results indicate that the transfer function is insensitive to on-axis reflector placement. This result supports the feasibility of integrating the calibration procedure into actual testing in some situations.

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A self-reciprocity calibration method for broadband focused transducers

Abstract

All Science Journal Classification (ASJC) codes

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