Multi-objective optimization of virtual source distributions for ultrafast diverging wave imaging [0.03%]
用于超快发散波成像的虚拟源分布多目标优化方法
Zahraa Alzein,Marco Crocco,Daniele D Caviglia et al.
Zahraa Alzein et al.
Diverging wave imaging (DWI) with coherent compounding addresses the field-of-view (FOV) limitations of ultrafast imaging by placing virtual sources (VSs) behind the transducer. The number and spatial distribution of these VSs affects both ...
Zitong Mai,Xiping He,Maiwei Liao et al.
Zitong Mai et al.
This study proposes a frequency tunable ultrasonic resonator based on a variable mass method, in which a metal ring, i.e., a tuning frequency ring (TFR) is mounted on the resonator. The resonant frequency of the resonator is adjusted by alt...
Effect of ultrasonic amplitude on morphology and wetting behavior of mild steel deposition layer in direct energy deposition-Arc [0.03%]
超声振幅对电弧直接能量沉积层铁基粉体形态及润湿行为的影响研究
Feilong Ji,Yan Zhou,Lihong Zhou et al.
Feilong Ji et al.
The morphology of deposition layer in direct energy deposition-Arc (DED-Arc) critically affects the forming accuracy and performance of the manufactured components. To address morphology control challenges, this study investigates the role ...
Classification of twinkling artifacts and blood flow for in vivo detection of breast microcalcifications [0.03%]
乳腺微钙化的体内检测中的闪烁伪影和血流分类
Jinbum Kang,Seongjun Park,Eonho Lee et al.
Jinbum Kang et al.
While mammography is the standard modality for detecting microcalcifications (MCs), their real-time detection with ultrasound imaging can be invaluable, particularly for guiding biopsies. Ultrasound twinkling artifact (TA) imaging allows th...
Guided ultrasonic wave monitoring for osseointegration assessment of an intraosseous transcutaneous amputation prosthesis [0.03%]
引导式超声波监测技术评估骨整合型经皮穿骨假肢的骨整合状况研究
Enze Chen,Paul Fromme
Enze Chen
This study investigated the feasibility of guided ultrasonic wave monitoring of bone attachment to uncemented orthopaedic implants during the rehabilitation process (osseointegration), which is crucial for implant stability and long-term su...
Design, fabrication, and characterization of a novel cantilever-based PMUT incorporating a central spring-like folded beam with enhanced transmission performance for air applications [0.03%]
一种新型悬臂式PMUT的设计、制作和表征，该PMUT带有中心弹簧状折叠梁，可增强空气应用中的传输性能
Yanyuan Ba,Yiming Li,Yicheng Wang
Yanyuan Ba
Piezoelectric micromachined ultrasonic transducer (PMUT), owing to the miniaturization, low power consumption, and ease of driving, have become a viable alternative to traditional piezoelectric ceramic transducers in air-coupled ultrasonic ...
Predicting transcranial ultrasound insertion loss using skull CT: A deep learning approach [0.03%]
基于颅骨CT的经颅超声传输损耗预测：深度学习方法
Ning Wang,Han Li,Jinpeng Liao et al.
Ning Wang et al.
Transcranial ultrasound (tUS) is a non-invasive neuromodulation technique with applications in brain disorders. However, ultrasound attenuation induced by the skull significantly affects focal energy transmission. The loss of ultrasound int...
Piezoelectrical signals generated in air- and water-saturated cancellous bones by an ultrasound wave [0.03%]
空气和水饱和松质骨中由超声波产生的压电信号
Atsushi Hosokawa
Atsushi Hosokawa
Experimental observation of the piezoelectric signals generated in cancellous bone by an ultrasound wave was performed using "piezoelectric cells (PE-cells)". The PE-cell, in which a cancellous bone specimen is used as a piezoelectric eleme...
Limitations of the 1D inverse thermal modelling method for ultrasonic thermometry [0.03%]
一维逆热学模型法在超声波测温中的局限性研究
Laurence Clarkson,Frederic Cegla
Laurence Clarkson
Structural health monitoring often involves temperature measurement. However, traditional sensors cannot measure subsurface temperature non-invasively, making them unsuitable for monitoring temperature-driven damage mechanisms such as high-...
An analytical two-step method for precise evaluation of local resonance frequencies for internal planar defects [0.03%]
一种分析两步法：用于平面内部缺陷局部共振频率的精确实例评价
Honglin Yan,Shuang Xu,Jiarui Deng et al.
Honglin Yan et al.
Despite the effectiveness of methods based on local defect resonance (LDR) for the nondestructive evaluation of planar defects, the physical mechanism underlying the generation of LDR remains an ongoing topic of research interest. Existing ...