通过构建信号模型测量超声波脉冲到达时间以确定其传播速度

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
E. G. Bazulin, A. A. Krylovich
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引用次数: 0

摘要

摘要 本文研究了几种测量超声波脉冲到达时间的方法。本文提出了一种基于自适应字典构建信号模型并通过量子群智能方法寻找目标函数最小值的脉冲到达时间测定方法。介绍了测量超声波在各种样品中传播速度的数值和建模实验结果。实验结果表明,所提出的确定脉冲到达时间的方法更能抵御由于测试物体材料的频率衰减而导致的回波波形失真。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Measurement of Ultrasonic Pulse Arrival Time by Constructing a Signal Model to Determine Its Propagation Velocity

Measurement of Ultrasonic Pulse Arrival Time by Constructing a Signal Model to Determine Its Propagation Velocity

Measurement of Ultrasonic Pulse Arrival Time by Constructing a Signal Model to Determine Its Propagation Velocity

The paper considers several methods of measuring the arrival time of ultrasonic pulses. A method for determining the pulse arrival time based on the construction of a signal model with an adaptive dictionary and the search for the minimum of the objective function by the quantum swarm intelligence method is proposed. The results of numerical and modeling experiments on measuring the propagation velocity of ultrasonic waves in various samples are presented. It is shown that the proposed method of determining the time of pulse arrival is more resistant to distortion of the echo waveform arising due to frequency-dependent attenuation in the material of the test object.

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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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