A self-reciprocity calibration method for broadband focused transducers

被引：12

作者：

Zhang, Shuzeng ^{[1
]}

Kube, Christopher M. ^{[2
]}

Song, Yongfeng ^{[1
]}

Li, Xiongbing ^{[1
]}

机构：

[1] Cent S Univ, Sch Traff & Transportat Engn, Changsha 410075, Hunan, Peoples R China

[2] US Army, Res Lab, Vehicle Technol Directorate, 4603 Flare Loop, Aberdeen Proving Ground, MD 21005 USA

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2016年 / 140卷 / 03期

基金：

中国国家自然科学基金;

关键词：

FIELD; SENSITIVITY;

D O I：

10.1121/1.4962376

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

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. (C) 2016 Acoustical Society of America

引用

页码：EL236 / EL241

页数：6

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