Results 111 to 120 of about 5,098 (179)

Research on the Vector Coherent Factor Threshold Total Focusing Imaging Method for Austenitic Stainless Steel Based on Material Characteristics

Metals
The degree of anisotropy and heterogeneity in coarse-grained materials significantly affects ultrasonic propagation behavior and scattering. This paper proposes a vector coherent factor threshold total focusing imaging method (VCF-T-TFM) for austenitic ...
Tianwei Zhao, Ziyu Liu, Donghui Zhang, Junlong Wang, Guowen Peng   +4 more
doaj   +1 more source

Sparse Total Focus Imaging of Rail Transit Rail Defects Based on Grey Wolf Algorithm

Chengshi guidao jiaotong yanjiu
[Objective] Using the ultrasonic phased array technology can realize high-precision imaging detection of rail transit rail defects. However, the widely used FMC-TFM (full matrix capture-total focusing method) has the disadvantages of long computation ...
Lubin QIAN, Hongbo WU, Chunxiang GAO, Zhengbo WEI, Yuhui XING   +4 more
doaj   +1 more source

Imaging of vertical surface-breaking cracks in concrete members using ultrasonic shear wave tomography. [PDF]

Sci Rep, 2023
Kuchipudi ST, Pudovikov S, Wiggenhauser H, Ghosh D, Rabe U.   +4 more
europepmc   +1 more source

Definition of the 2005 flight deck environment [PDF]

A detailed description of the functional requirements necessary to complete any normal commercial flight or to handle any plausible abnormal situation is provided.
Alter, K. W., Regal, D. M.
core   +1 more source

Research on Acoustic Field Correction Vector-Coherent Total Focusing Imaging Method Based on Coarse-Grained Elastic Anisotropic Material Properties. [PDF]

Sensors (Basel)
Zhao T, Liu Z, Zhang D, Wang J, Peng G.
europepmc   +1 more source

Comparison of body composition in female college students with different degrees of obesity. [PDF]

Sci Rep
Chen S, Liu H, Wen Q, Chen J, Zhou H.
europepmc   +1 more source

Measurement of the ultrasonic scattering matrices of near-surface defects using ultrasonic arrays [PDF]

, 2016
Gang, Tie, Yu, Peng, Zhang, Jie
core   +1 more source

Examining Tertiary Healthcare Quality Under Asset Leasing, Performance-Based Financing, and Social Impact Bonds: The Role of Government Stewardship in a Cross-Sectional Quantitative Study in Kenya. [PDF]

Health Sci Rep
Karino E, Ndegwa J, Were V.
europepmc   +1 more source

DIFC-Net: Diffusion-Intrinsic Feature Capture for AI-Generated Image Detection. [PDF]

Sensors (Basel)
Lu S, Tian J, Zhang Y, Wu F, Gong L, Pan H.   +5 more
europepmc   +1 more source

Toward Active Distributed Fiber-Optic Sensing: A Review of Distributed Fiber-Optic Photoacoustic Non-Destructive Testing Technology. [PDF]

Sensors (Basel)
Wu Y, Fu X, Li J, Gui X, Qiu J, Li Z.
europepmc   +1 more source