Theoretical modeling and experimental verification of an improved radial composite transducer consisting of a metal ring and a radially polarized piezoelectric stack
C Chen, J Guo, S Lin - Ultrasonics, 2023 - Elsevier
In the ring radial transducer, the wall thickness of the radially polarized piezoelectric ceramic
is limited by the polarization technology and operating voltage, resulting in the limited power …
is limited by the polarization technology and operating voltage, resulting in the limited power …
A Two-Dimensional Circular Array Transducer for Endoscopic Ultrasound Imaging of Tube
Z Xi, C Feng, X Wang, X Luo - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The concept of endoscopic ultrasound (EUS) has been introduced to non-destructive testing
for the inspection of tubular structure. However, the fixed normal focusing beam of the …
for the inspection of tubular structure. However, the fixed normal focusing beam of the …
A Circular Total Focusing Method With Eccentricity Correction and Intensity Compensation for Endoscopic Ultrasound Imaging of Dual-Layered Media
Z Xi, X Luo, Y Peng, X Wang - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Present endoscopic ultrasound (EUS) imaging methods for circular array (CA) suffer from
the nonuniform spatial resolution in the imaging of a dual-layered media, such as the tubes' …
the nonuniform spatial resolution in the imaging of a dual-layered media, such as the tubes' …
Development and validation of independent dual-focusing transducer for internal inspection of tubes
Z Xi, X Luo, Y Peng, X Wang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Controllable and focused ultrasonic beams in 3-D cylindrical space are essential when
inspecting tubes or tubular objects. In this article, we develop an independent dual-focusing …
inspecting tubes or tubular objects. In this article, we develop an independent dual-focusing …
Circular Phased Array Ultrasonic Transducer Design for Internal Inspection of Natural Gas Pipeline
ZW Qi, M Liao, L Sheng, Z Chen… - 2024 3rd Conference on …, 2024 - ieeexplore.ieee.org
In the paper, a 256-element circular array ultrasonic transducer is designed to create a
controllable and focused 3D cylindrical ultrasound beam for pipeline inspection of natural …
controllable and focused 3D cylindrical ultrasound beam for pipeline inspection of natural …
Numerical analysis of effective refractive index ultrasonic sensor based on Cantilever arm structure slot-based dual-micro-ring resonator
CY Zhao, PY Li, CM Zhang - International Journal of Modern Physics …, 2021 - World Scientific
We propose a novel ultrasonic sensor structure composed of Cantilever arm structure slot
dual-micro-ring resonators (DMRR). We present a theoretical analysis of transmission by …
dual-micro-ring resonators (DMRR). We present a theoretical analysis of transmission by …