WAVELET ANALYSIS OF ULTRASONIC LAMB WAVES EXCITED BY PULSED LASER IN A COMPOSITE PLATE

机译：复合板中脉冲激光激发的超声波羔羊波的小波分析

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The results demonstrated the effectiveness of the time-frequency representations from the WT in the analysis of the dispersion characteristics and mode distributions of transient Lamb waveforms. The techniques are extremely useful for characterizing anisotropic property of composite plate materials by the laser-generated Lamb wave technique, by estimating the group velocities of the modes propagating in different directions.

机译：结果证明了WT的时频表示在分析瞬态Lamb波形的色散特性和模式分布方面的有效性。通过估计在不同方向上传播的模的群速度，该技术对于通过激光产生的兰姆波技术表征复合板材料的各向异性非常有用。

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来源
《Annual Symposium on Quantitative Nondestructive Evaluation; 19980719-24; Snowbird,UT(US)》|1998年|P.695-701|共7页
会议地点 SnowbirdUT(US)
作者
Jun-Bo Han; Jian-Chun Cheng; Yves Berthelot;
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作者单位

Laboratory of Modern Acoustics and Institute of Acoustics Nanjing University, Nanjing 210093, P.R.China;

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原文格式 PDF
正文语种 eng
中图分类无损探伤仪器;
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1. Analysis of Ultrasonic Waves Excited in a Metal Plate by Nanosecond Laser Pulses [J] . S. Yu. Gurevich, Yu. V. Petrov, A. V. Shusharin Russian Journal of Nondestructive Testing . 2009,第4期

机译：纳秒激光脉冲对金属板中激发的超声波的分析
2. Attenuation measurement of laser excited So-lamb wave by the wavelet transform and porosity estimation in superplastic Al-Mg plate [J] . Hideo Kasama, Mikio Takemoto, Kanji Ono 非破壊検査 . 2000,第4期

机译：超塑性Al-Mg板的小波变换和孔隙率估算激光激发的Solamb波的衰减。
3. Attenuation measurement of laser excited So-lamb wave by the wavelet transform and porosity estimation in superplastic Al-Mg plate [J] . Hideo Kasama, Mikio Takemoto, Kanji Ono 非破壊検査 . 2000,第4期

机译：通过微塑性Al-Mg板的小波变换和孔隙率估计激光激发SO-LAM波的衰减测量
4. WAVELET ANALYSIS OF ULTRASONIC LAMB WAVES EXCITED BY PULSED LASER IN A COMPOSITE PLATE [C] . Jun-Bo Han, Jian-Chun Cheng, Yves Berthelot Annual Symposium on Quantitative Nondestructive Evaluation . 1999

机译：复合板中脉冲激光激发超声羊羔波的小波分析
5. Laser generation of Rayleigh and Lamb waves for ultrasonic nondestructive testing. [D] . Costley, R. Daniel, Jr. 1993

机译：激光产生瑞利波和兰姆波，用于超声波无损检测。
6. Damage Identification in Various Types of Composite Plates Using Guided Waves Excited by a Piezoelectric Transducer and Measured by a Laser Vibrometer [O] . Maciej Radzieński, Paweł Kudela, Alessandro Marzani, 2019

机译：压电换能器激励的导波和激光测振仪测量的各种类型复合板的损伤识别
7. Modelling of Lamb Waves in Composite Laminated Plates Excited by Interdigital Transducers [O] . Veidt Martin, Liu Tierang, Kitipornchai Sritawat 2002

机译：叉指换能器激励的复合层合板中的兰姆波建模
8. ANALYSIS OF EFFICIENT IMPULSE DELIVERY AND PLATE RUPTURE BY LASER-SUPPORTED DETONATION WAVES [R] . N. Ferriter, D.E. Maiden, A.M. Wlnslow 1975

机译：激光支撑爆轰波分析高效脉冲输送和板块破裂

WAVELET ANALYSIS OF ULTRASONIC LAMB WAVES EXCITED BY PULSED LASER IN A COMPOSITE PLATE

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