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Sensors 2017, 17(5), 985; doi:10.3390/s17050985

A Consistency Evaluation and Calibration Method for Piezoelectric Transmitters

1
School of Geosciences and Technology, China University of Petroleum, Qingdao 266555, China
2
Logging Branch of China National Petroleum Corporation Bohai Drilling Engineering CO. LTD., Tianjin 300280, China
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 27 March 2017 / Revised: 21 April 2017 / Accepted: 26 April 2017 / Published: 28 April 2017
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [2706 KB, uploaded 28 April 2017]   |  

Abstract

Array transducer and transducer combination technologies are evolving rapidly. While adapting transmitter combination technologies, the parameter consistencies between each transmitter are extremely important because they can determine a combined effort directly. This study presents a consistency evaluation and calibration method for piezoelectric transmitters by using impedance analyzers. Firstly, electronic parameters of transmitters that can be measured by impedance analyzers are introduced. A variety of transmitter acoustic energies that are caused by these parameter differences are then analyzed and certified and, thereafter, transmitter consistency is evaluated. Lastly, based on the evaluations, consistency can be calibrated by changing the corresponding excitation voltage. Acoustic experiments show that this method accurately evaluates and calibrates transducer consistencies, and is easy to realize. View Full-Text
Keywords: piezoelectric transducers; transmitter consistency; impedance analyzer; consistency evaluation; consistency calibration piezoelectric transducers; transmitter consistency; impedance analyzer; consistency evaluation; consistency calibration
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, K.; Tan, B.; Liu, X. A Consistency Evaluation and Calibration Method for Piezoelectric Transmitters. Sensors 2017, 17, 985.

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