F-number optimization for synthetic aperture delay-multiply-and-sum reconstruction [0.03%]
合成孔径延迟乘法求和重建的光圈优化
Philip M Holmes,Hyoung-Ki Lee,Matthew W Urban
Philip M Holmes
The choices of transmit and receive f-numbers impact both ultrasound image contrast and spatial resolution. Although previous studies have evaluated the impact of receive f-number in delay-and-sum (DAS) plane wave imaging, there has not bee...
Study of Rayleigh waves interaction with a spherical ball in contact with a plane surface for the development of new NDT method for ball bearings [0.03%]
用于开发新球轴承无损检测方法的球与平面接触相互作用的研究
Aziz Bouzzit,Loïc Martinez,Andres Arciniegas et al.
Aziz Bouzzit et al.
The monitoring of the integrity of the spherical balls inside a ball bearing can be challenging, as it needs to be disassembled in order to access every element of the structure. In this paper, an ultrasonic method is used to directly inter...
Single crystal piezoelectric motor operating with both inertia and ultrasonic resonance drives [0.03%]
惯性谐振驱动的单晶压电电机
Bülent Delibas,Burhanettin Koc
Bülent Delibas
This study presents a novel piezoelectric motor based on a single crystal material with orthorhombic mm2 symmetry class, in which piezoelectric coupling coefficients in sign and magnitude at transverse directions are different, implying tha...
Modelling guided waves in acoustoelastic and complex waveguides: From SAFE theory to an open-source tool [0.03%]
从SAFE理论到开源工具：声弹性及复杂波导中引导波的建模方法研究
Menglong Liu,Wenyan Zhang,Xiao Chen et al.
Menglong Liu et al.
Guided wave (GW)-based techniques have been extensively investigated and applied in material characterization, damage detection, and structural health monitoring. A comprehensive understanding of GW is the cornerstone for the development of...
Impact monitoring on complex structure using VMD-MPE feature extraction and transfer learning [0.03%]
基于VMD-MPE特征提取和迁移学习的复杂结构冲击损伤监测方法
Bowen Zhao,Yihan Wang,Xianping Zeng et al.
Bowen Zhao et al.
Impacts are common damage events in aviation scenarios that can cause damage to the structural integrity ofan aircraft and pose a threat to its safe operation. Therefore, it is crucial to monitor impact events. A region-to-point monitoring ...
Full-range stress-strain curve estimation of aluminum alloys using machine learning-aided ultrasound [0.03%]
基于机器学习辅助超声的铝合金全范围应力应变曲线预测方法研究
Seong-Hyun Park,Junyeon Chung,Kiyoon Yi et al.
Seong-Hyun Park et al.
Full-range stress-strain (SS) curves are crucial in understanding mechanical properties of a material such as the yield strength, ultimate tensile strength, and elongation. In this study, a full-range SS-curve was nondestructively estimated...
Electrowetting-driven liquid lens for ultrasound: Enabling controllable focal length and flexible beam steering [0.03%]
用于超声的电润湿驱动液态镜头：可控制焦距和灵活波束导向
Zong-Han Hsieh,Ching-Hsiang Fan,Yeu-Chern Lin et al.
Zong-Han Hsieh et al.
Focused ultrasound is an increasingly popular non-invasive treatment modality. Still, its fixed focal point requires an array ultrasound transducer or scanning system to cover different therapeutic scenarios. To address this limitation, we ...
Roya Paridar,Babak Mohammadzadeh Asl
Roya Paridar
Coherent plane wave compounding (CPWC), as an ultrafast ultrasound imaging technique, makes a significant breakthrough in frame rate enhancement. However, there exists a compromise between the quality of the final image and the frame rate i...
Ultrasound multifrequency strategy to estimate the lung surface roughness, in silico and in vitro results [0.03%]
基于多频超声的肺表面粗糙度估计方法及仿真与实验结果研究
Federico Mento,Matteo Perini,Ciro Malacarne et al.
Federico Mento et al.
Lung ultrasound (LUS) is an important imaging modality to assess the state of the lung surface. Nevertheless, LUS is limited to the visual evaluation of imaging artifacts, especially the vertical ones. These artifacts are observed in pathol...
A critical review of piezoelectric ultrasonic transducers for ultrasonic-assisted precision machining [0.03%]
用于超声辅助精密加工的压电超声换能器批判性评论
Pengfei Du,Weishan Chen,Jie Deng et al.
Pengfei Du et al.
Piezoelectric ultrasonic-assisted precision machining (PUAPM) technology is considered to be an efficient and environmentally friendly machining strategy by virtue of cutting force reduction, ductile cutting promotion, tool wear and machini...