To realize this automatic test system, not only the newly developed automation technology and ultrasonic signal processing technique, but also the ultrasonic image processing technique was applicated.
同时，将超声成像和声图像处理技术应用到本系统中，实现了环形电子束焊缝超声检测的自动化。
In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.
在B型超声机械扇形扫描成像当中，原始图像信号是以极坐标的形式输出的，对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。
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