...,定光栅;指示光栅 --- 动光栅 长度 --- 测量范围;刻线密度 --- 测量精度 ( 10、25、50、100、125线/mm )(1) 莫尔条纹(Moire)主光栅 指示光栅均匀刻线夹角移动明..
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提出通过对龙基光栅的塔尔博特效应所产生的莫尔条纹角度的计量来测量长焦距的方法。
A new method for long focal length measurement is presented, which is accomplished by obtaining the Angle of moire stripe formed by Talbot effect of Ronchi grating.
莫尔条纹是由LCD、菲涅尔透镜和微结构透镜等周期性结构的层叠引起的,对于设计高质量的LCD背投影屏幕至关重要。
Moire pattern caused by the cascade of periodic structures of LCD, Fresnel lens, and Lenticular lens, etc. is a key concern in designing a high quality LCD rear projection screen.
沃尔什长得高大威猛,把身上那套灰色套装的肩部撑得紧绷绷的,红条纹丝质领带在突出的喉结下打了个紧紧的结。
Tall and powerfully built, he wore a gray suit that seemed snug at the shoulders, the red striped silk tie knotted too tightly under a prominent Adam's apple.
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