A methodology to estimate the ultrasonic p-wave velocity of coarse aggregates in concrete [0.03%]
一种用于估计混凝土粗集料中超声纵波速度的方法论
Lara Guizi Anoni,João Victor Rosa Cruz,Vladimir Guilherme Haach et al.
Lara Guizi Anoni et al.
Ultrasonic wave propagation is widely used for material characterization, although accurately determining the wave velocity of coarse aggregates remains challenging due to their irregular geometry and heterogeneous distribution in concrete....
Ultrasonic guided wave damage imaging using the time difference coefficient between direct and scattered waves [0.03%]
基于直达波和散射波时差系数的超声导波损伤成像方法研究
Xiaoqiang Xu,Zhiwen Tan,Chengwei Zhao et al.
Xiaoqiang Xu et al.
To address the challenges of damage imaging under wave speed uncertainty and dispersion, this study proposes an ultrasonic guided wave (UGW) damage imaging method based on the time difference coefficient (TDC). The method integrates amplitu...
Axial acoustic radiation force on a sphere embedded in a gel phantom within a focused ultrasound field: simulation and measurement [0.03%]
聚焦超声场中凝胶模型内嵌入的球体所受轴向辐射力的仿真与测量
Xin Ou,Chen Zeng,Faqi Li et al.
Xin Ou et al.
Acoustic radiation force (ARF) is a distinctive nonlinear phenomenon generated by acoustic wave propagation, primarily driven by acoustic effects including scattering, reflection, shear coupling, and thermo-viscous interactions, which colle...
Quantitative ultrasound scatteromics for characterization of reconstructed neopharyngeal tissue: Assessment of postoperative speech outcome after total laryngopharyngectomy [0.03%]
术后全喉咽切除术语音恢复的定量超声散射组学研究新咽组织的特征
Ya-Wen Chuang,Yi-An Lu,Chung-Kan Tsao et al.
Ya-Wen Chuang et al.
Restoring speech after total laryngopharyngectomy (TLP) with flap reconstruction remains challenging. This study evaluated the feasibility of ultrasound scatteromics for assessing postoperative speech recovery by characterizing reconstructe...
The convergence of surface acoustic wave technology and artificial intelligence [0.03%]
声表面波技术与人工智能的融合研究进展
Hongsheng Xu,Weihao Ye,Xiangyu Liu et al.
Hongsheng Xu et al.
Surface acoustic wave (SAW) devices have become key building blocks in communications, sensing, and emerging neuromorphic hardware, yet their growing complexity in materials, architectures, and operating environments exposes limitations in ...
Three-dimensional organ-resolved modeling of ultrasound-induced acoustic and thermal effects in the mouse abdomen [0.03%]
小鼠腹部超声诱导的声学和热效应的三维器官解析建模
Pouria Talebibarmi,Aleksandar Jeremic,Natasha D Sheybani et al.
Pouria Talebibarmi et al.
Therapeutic ultrasound offers a noninvasive approach for modulating metabolic function, yet spatially heterogeneous acoustic and thermal responses in the abdomen remain poorly understood. Here, we developed a three-dimensional, organ-resolv...
Developments of electromagnetic acoustic transducers (EMATs) for edge wave generation in non-destructive testing [0.03%]
电磁声换能器(EMAT)在非破坏检测中生成边缘导波的发展方向
Longxin Zheng,Tingyuan Yin,Ching Tai Ng
Longxin Zheng
Ultrasonic guided waves (UGW), particularly edge waves, offer significant potential for non-destructive testing (NDT) due to their ability to propagate over long distances with low attenuation. However, traditional excitation methods using ...
Large elements and advanced beamformers for increased field of view in 2-D ultrasound matrix arrays [0.03%]
二维矩阵探头扫查范围的扩大及其新型波束形成技术研究
Mick Gardner,Rita Miller,Michael L Oelze
Mick Gardner
Three-dimensional (3D) ultrasound promises various medical applications for abdominal, obstetrics, and breast imaging. However, ultrasound matrix arrays have extremely high element counts limiting their field of view (FOV). Current reduced ...
Selective assembly of particles using synchronized acoustic tweezers with oblique incidence [0.03%]
利用倾斜入射的同步声镊选择性组装粒子
Yicheng Feng,Zhe Zhang,Shiyu Li et al.
Yicheng Feng et al.
The precise assembly of microparticles and cells shows considerable promise in areas such as bubble-bubble dynamics, reproductive cell selection and fertilization, microchemical reaction measurement, and beyond. Recently, a synchronized aco...
Jie Yao,Tian-Hao Zhao,Jing-Yu Xv et al.
Jie Yao et al.
Acoustic metalenses have demonstrated outstanding focusing abilities, while most lenses still suffer from a limited field of view (FOV) due to angle-induced aberration. In this paper, we propose a flat ultrasonic metalens (UML) with an ultr...