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A SAFT Method for the Detection of Void Defect inside a Ballastless Track Structure Using Ultrasonic Array Sensors

High-precision ultrasound imaging of void defects is critical for the performance and safety assessment of ballastless track structures. The sound propagation velocity of each layer in the ballastless track structure is quite different. However, the traditional concrete Synthetic Aperture Focusing T...

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Detalles Bibliográficos
Autores principales: Zhu, Wen-Fa, Chen, Xing-Jie, Li, Zai-Wei, Meng, Xiang-Zhen, Fan, Guo-Peng, Shao, Wei, Zhang, Hai-Yan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6864854/
https://www.ncbi.nlm.nih.gov/pubmed/31661867
http://dx.doi.org/10.3390/s19214677

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