By the improved tester, stick slip testing and quantitative analysis are made and some conclusions are proven.

利用改进后的试验机进行了爬行试验及定量分析，得到并验证了一些有益的结论。

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A digital knife-edge test system is proposed based on the traditional Foucault tester. Quantitative evaluation for the wavefront of spherical optical elements was achieved by using this test system.

在传统刀口仪的基础上，提出一种数字化刀口仪，利用该刀口仪可实现球面光学元件表面面形的定量检验。

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