摘要
为提高缺陷检测时相控阵超声扇扫成像的质量,分析了影响成像质量的因素,研究了焦距、偏转角度及孔径对成像质量的影响,采用控制变量法进行了试验验证并分析了试验结果。研究结果对优化相控阵超声扇形扫描参数设置,提高成像质量具有参考意义。
In order to improve the quality of phased array ultrasonic sector scan imaging in defect detection, the factors affecting the imaging quality are analyzed, and the effects of focal length, deflection angle and aperture on the imaging quality are studied. The control variable method is used for experimental verification, and the experimental results are analyzed. The research results are of reference significance for optimizing the parameter setting of phased array ultrasonic sector scanning and improve the imaging quality.
作者
祝清华
张会新
严帅
郝现伟
ZHU Qinghua;ZHANG Huixin;YAN Shuai;HAO Xianwei(State Key Laboratory of Electronic Testing Technology,North University of China,Taiyuan 030051,China;Beijing Institute of Aerospace Systems Engineering,Beijing 100000,China)
出处
《无损检测》
CAS
2021年第11期13-17,共5页
Nondestructive Testing
关键词
相控阵超声
焦距
偏转角度
孔径
控制变量
phased array ultrasonic
focal length
deflection angle
aperture
control variable
