基于多层材料传递函数反演的多重反射波探测方法。

IF 3.8 2区物理与天体物理 Q1 ACOUSTICS

Ultrasonics Pub Date : 2024-10-20 DOI:10.1016/j.ultras.2024.107495

Hao Jiang , Chong chen , Xianwen Xue , Mengyuan Li , Bowei Chen

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引用次数: 0

摘要

对于多层复合材料，由于材料声阻抗差异和声衰减等因素，传统的超声波测试容易受到多层材料内部多个反射波的干扰。本文提出了一种分析声波在含有缺陷的多层材料中传播过程的新方法，并提出了从多个反射信号反演单层传递函数的算法，利用相应的脉冲响应检测缺陷。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Multiple reflection wave detection method based on inversion of multilayer material transfer function

For multi-layer composite materials, conventional ultrasonic testing is prone to interference from multiple reflected waves inside the multi-layer material due to factors such as material acoustic impedance differences and acoustic attenuation. This article proposes a new method to analyze propagation process of acoustic waves in multi-layer materials containing defects, and an algorithm for inverting the transfer function of one-layer from multiple reflection signals was proposed, and corresponding pulse responses were used to detect defects.

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来源期刊

Ultrasonics 医学-核医学

CiteScore

7.60

自引率

19.00%

发文量

186

审稿时长

3.9 months

期刊介绍： Ultrasonics is the only internationally established journal which covers the entire field of ultrasound research and technology and all its many applications. Ultrasonics contains a variety of sections to keep readers fully informed and up-to-date on the whole spectrum of research and development throughout the world. Ultrasonics publishes papers of exceptional quality and of relevance to both academia and industry. Manuscripts in which ultrasonics is a central issue and not simply an incidental tool or minor issue, are welcomed. As well as top quality original research papers and review articles by world renowned experts, Ultrasonics also regularly features short communications, a calendar of forthcoming events and special issues dedicated to topical subjects.