{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,21]],"date-time":"2026-04-21T10:27:34Z","timestamp":1776767254930,"version":"3.51.2"},"reference-count":27,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2017,12,6]],"date-time":"2017-12-06T00:00:00Z","timestamp":1512518400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51477138"],"award-info":[{"award-number":["51477138"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Key Research and Development Program of Shaanxi Province","award":["2017ZDXM-GY-130"],"award-info":[{"award-number":["2017ZDXM-GY-130"]}]},{"name":"Xi\u2019an City Science and Technology Project","award":["2017080CG\/RC043(XALG009)"],"award-info":[{"award-number":["2017080CG\/RC043(XALG009)"]}]},{"name":"Xi\u2019an University of Technology Outstanding Doctoral Innovation Fund Project","award":["310-252071707"],"award-info":[{"award-number":["310-252071707"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>For achieving the power maximum transmission, the electrical impedance matching (EIM) for piezoelectric ultrasonic transducers is highly required. In this paper, the effect of EIM networks on the electromechanical characteristics of sandwiched piezoelectric ultrasonic transducers is investigated in time and frequency domains, based on the PSpice model of single sandwiched piezoelectric ultrasonic transducer. The above-mentioned EIM networks include, series capacitance and parallel inductance (I type) and series inductance and parallel capacitance (II type). It is shown that when I and II type EIM networks are used, the resonance and anti-resonance frequencies and the received signal tailing are decreased; II type makes the electro-acoustic power ratio and the signal tailing smaller whereas it makes the electro-acoustic gain ratio larger at resonance frequency. In addition, I type makes the effective electromechanical coupling coefficient increase and II type makes it decrease; II type make the power spectral density at resonance frequency more dramatically increased. Specially, the electro-acoustic power ratio has maximum value near anti-resonance frequency, while the electro-acoustic gain ratio has maximum value near resonance frequency. It can be found that the theoretically analyzed results have good consistency with the measured ones.<\/jats:p>","DOI":"10.3390\/s17122832","type":"journal-article","created":{"date-parts":[[2017,12,6]],"date-time":"2017-12-06T11:29:36Z","timestamp":1512559776000},"page":"2832","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["The Effect of Electrical Impedance Matching on the Electromechanical Characteristics of Sandwiched Piezoelectric Ultrasonic Transducers"],"prefix":"10.3390","volume":"17","author":[{"given":"Yuan","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering, Xi\u2019an University of Technology, Xi\u2019an 710048, Shaanxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoyuan","family":"Wei","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Xi\u2019an University of Technology, Xi\u2019an 710048, Shaanxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0571-3697","authenticated-orcid":false,"given":"Lei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Xi\u2019an University of Technology, Xi\u2019an 710048, Shaanxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wenqing","family":"Yao","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Xi\u2019an University of Technology, Xi\u2019an 710048, Shaanxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2017,12,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"517","DOI":"10.1016\/j.compstruct.2016.10.005","article-title":"Distinguishing crack damage from debonding damage of glass fiber reinforced polymer plate using a piezoelectric transducer based nondestructive testing method","volume":"159","author":"Na","year":"2017","journal-title":"Comps. 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