The Effect of Electrical Impedance Matching on the Electromechanical Characteristics of Sandwiched Piezoelectric Ultrasonic Transducers [PDF]
Sensors, 2017 For achieving the power maximum transmission, the electrical impedance matching (EIM) for piezoelectric ultrasonic transducers is highly required.
Yuan Yang +3 more
doaj +8 more sources
Design of a Broadband Electrical Impedance Matching Network for Piezoelectric Ultrasound Transducers Based on a Genetic Algorithm [PDF]
Sensors, 2014 An improved method based on a genetic algorithm (GA) is developed to design a broadband electrical impedance matching network for piezoelectric ultrasound transducer.
Jianfei An +4 more
doaj +6 more sources
IEEE Access, 2022 Piezoelectric transducer is a key component of acoustic well-logging tool. Transducers used in acoustic well-logging tools usually have limited bandwidth, and their dominant frequencies severely drift with drastic change of borehole temperature when ...
Yongchao Yao +3 more
doaj +4 more sources
Study on Electrical Impedance Matching for Broadband Ultrasonic Transducer
Journal of the Korean Society for Nondestructive Testing, 2017 Geonwoo Kim, Ki-Bok Kim
exaly +4 more sources
SensorsWith the increase in groundwater exploration, underground mineral resource exploration, and non-destructive investigation of cultural relics, high-resolution earth electrical characteristic measurement has emerged as a mainstream technique owing to its ...
Kuiyuan Zhang +3 more
doaj +2 more sources
Modeling and impedance matching for radio frequency driven plasma lamp considering cold and hot states. [PDF]
PLoS ONE, 2018 A new dual-state impedance matching scheme for a microwave driven plasma lamp using a solid-state power amplifier (SSPA) is presented. The impedance of the plasma lamp depends on the amount of input radio frequency (RF) energy, and therefore has very ...
Wonshil Kang, Hyunchul Ku
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A Novel Thickness-Mode Broadband Piezoelectric Ultrasonic Transducer Design Based on Double-Layer Piezoelectric Structure and a Variable-Thickness Matching Layer [PDF]
SensorsA novel broadband ultrasonic transducer design based on a non-uniform-thickness double-layer piezoelectric structure and a variable-thickness matching layer is proposed to overcome the limitations of conventional thickness-mode piezoelectric ultrasonic ...
Qiao Wu +4 more
doaj +2 more sources
Regional Ventilation–Perfusion Matching by Electrical Impedance Tomography After Single Lung Transplant [PDF]
ASAIO Journal, 2023 Single lung transplantation (LUTX) can be the last therapeutic option for a growing cohort of patients suffering from end-stage respiratory failure. Postoperative ventilatory management of single LUTX recipients is challenged by the coexistence of the diseased native lung and a healthy—but fragile—graft.
Scaravilli, Vittorio +6 more
openaire +3 more sources
A Review of Electric Impedance Matching Techniques for Piezoelectric Sensors, Actuators and Transducers [PDF]
Electronics, 2019 Any electric transmission lines involving the transfer of power or electric signal requires the matching of electric parameters with the driver, source, cable, or the receiver electronics. Proceeding with the design of electric impedance matching circuit for piezoelectric sensors, actuators, and transducers require careful consideration of the ...
Vivek T. Rathod
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A low-profile high-isolation dual-polarized base station antenna based on AMC [PDF]
Scientific ReportsTo reduce the deployment cost of base stations and address the shortage of antenna resources, this paper develops a low-profile base station antenna with an Artificial Magnetic Conductor (AMC) structure for Sub-6 GHz. A square cross-dipole structure with
Lijun Zhang +4 more
doaj +2 more sources