Foucault knife-edge test 傅科刀口检验 ; 傅科刀口检验法
Fresnel knife-edge test 菲涅耳刀口试验 ; 菲涅耳积分
knife-edge test [机] 刀口检验 ; 刀缘测试
foucault knife edge test 傅科刀口检验
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。
Axial compression test can use double knife-edge bearing to instead spherical hinge bearing;
轴心受压构件试验可采用双刀口支座代替球铰支座；
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