同时，还比较了相控阵检测的定量结果与实际缺陷尺寸。
Comparison between the sizing result by pa inspection and the actual defect size was also given.
通过实验，给出了缺陷尺寸和扫描间隔等因素对检测结果影响的分布曲线，为合理提取缺陷尺寸提供了参考。
Effect distribution curves of scanning interval and defect sizes on detecting results are obtained by experiment, and it can supply references to detect defect sizes reasonably.
实验结果表明，该方法具有较高的检测速度与精度，可用于空心圆柱等小尺寸工件端面质量的在线检验，提高现有的生产线效率。
Experimental results show that this method can realize on-line detection of undersized part surface quality promptly and accurately as to improve the efficiency of existing production lines.
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