The principles and error analysis of an optical profiler are described in this paper.

文中介绍了光学轮廓仪的测量原理及其误差分析。

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When used in digital optical profiler, the phase unwrapping algorithm must be more general and robust, and has high efficiency.

在多种算法中，用于数字光学轮廓仪的相位去包裹算法必须具有较高的普遍适用性，而且必须兼顾健壮性与效率。

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