The problem of flawclassification in ultrasonic testing has not been solved so far.
超声检测技术中，缺陷的定性分类这一技术难题至今尚未得以彻底解决。
2
The results show that by this method human effects on qualitative recognition of flaws can be reduced to some extent, and high accuracy of flawclassification can be obtained.
研究结果表明该方法可在一定程度上降低人为因素对缺陷定性识别的影响，获得较好的缺陷分类效果。
3
Flawclassification is realized successfully through the ultrasonic spectrum analysis. The research proves that ultrasonic spectrum technology will promote the reliability of testing results.