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本文分析了在工业无损检测中射线源焦点对成像质量的影响，讨论了射线源焦点对成像影响的数学模型，以此为基础，设计了相应的焦点修正算法，并给出了处理结果
In this paper, the influence of the focus of the radiation source on the imaging quality in industrial NDT is analyzed. The mathematical model of the influence of the focus of the radiation source on the imaging is discussed. Based on this, a corresponding focus correction algorithm is designed and the processing result is given