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本文应用富里叶变换形状测试技术（ＦＴＰ），针对人体关节面进行了测试研究，并从实际应用角度分析了ＦＴＰ技术的误差及其改进方法，通过对标准平板和标准圆柱面的测定结果表明，精度可以达到０．０５ｍｍ以上。
In this paper, FTP (Fourier transform shape test) technology was used to test the articular surface of human body. The error of FTP technology and its improvement method were analyzed from the point of view of practical application. The results of the measurement of standard flat plate and standard cylindrical surface showed that, Accuracy can reach more than 0.05mm.