circular grating optical scanning holography 环形光栅扫描全息术
circular holography grating 环形全息光栅
circular concentric grating 同心环状光栅
circular holography grating light 环形全息光栅
Circular and radial grating 圆环栅和射线栅
Aimming at high positioning accuracy demands of revolute joint, the closed-loop feedback using circular grating was adopted.
从提高位置精度出发，采用了基于圆光栅全闭环反馈的回转关节控制方案。
In order to fully use the resolution of optical scanning hologram system, a method of using circular grating to scan the objects is proposed for producing the optical scanning holograms.
为了充分利用光学扫描全息系统的分辨率，提出了用环形光栅扫描物体的光学扫描全息术。
Combining binary optics methods with the notion of circular grating, it offers a good thinking for circular grating and other optic elements that can be assembled into photoelectricity system.
将二元光学方法与环形光栅的概念结合起来，为制作可以集成到光电系统的环形光栅以及其他光学元件提供了一条较好的思路。
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