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本文提出了利用塔宝（Ｔａｌｂｏｔ）剪切干涉法测量曲率的两个主要误差因素。通过分析，对原计算公式进行了修正，并给出了最佳实验参数条件。实测结果证实用此方法对提高曲率测量准确度是有效的。
This paper presents two major error factors for measuring curvature using Talbot shear interferometry. Through the analysis, the original calculation formula was revised and the optimal experimental parameters were given. The measured results confirm that this method is effective to improve the accuracy of curvature measurement.