laserultrasound相关论文
The propagating of laser-generated ultrasonic waves in K9 glass was investigated.Many methods have been developed to det......
New laser interferometric schemes were recently developed in order to measure three components of the ultrasonic field.T......
A Hybrid System Employing Laser Generation and Air Coupled Detection for Characterization of Mechani
The use of laser ultrasound and an air coupled transducer(ACT),as a hybrid,non-contact system,is proposed in this work f......
研究了温度对铝合金薄板中零群速度(ZGV)Lamb波频率的影响。建立了基于多普勒测振仪的全光学探测与脉冲激光激发不同温度的铝合金......
在激光超声可视化成像过程中,外界噪声、入射波等干扰导致了图像质量下降,造成了缺陷识别能力不足。利用局部统计滤波算法降低散斑......
为了解决激光超声检测过程中定量识别表面缺陷深度较困难的问题,提出了一种粒子群(PSO)优化BP神经网络表面矩形缺陷深度定量识别方......
开发了一种可同时对阵列内多点的超声波运动进行光学检测的多重双波混频干涉仪（MTWM）系统。该MTWM系统使用相位光栅形成射向样品的检......
