金属圆棒超声螺旋扫查检测的合成孔径成像技术

李振杰, 蔡桂喜, 张博, 李经明, 李建奎

Synthetic Aperture Imaging Technology for Ultrasonic Spiral Scanning Detection of Metal Bars

LI Zhenjie, CAI Guixi, ZHANG Bo, LI Jingming, LI Jiankui

图10 ST-SAFT处理后的成像图

Fig.10 Zoom images processed by ST-SAFT to indicate those holes positions (Herein, ϕ means the measured diameter of transverse hole image)