入瞳是限制入射光束的有效孔径,是孔径光阑对前方光学系统所成的像。入瞳和出瞳相对应,把孔径光阑在物空间的共轭像称为“入瞳”,入瞳的位置和直径代表了入射光束的位置和口径。 入射光瞳是光学名词,与实际影响入射光能量和分辨率的孔径光阑对应。它是孔径光阑通过前面光组在光学系统的物空间所成的像,简称入瞳。孔径光阑是限制轴上点成像光束孔径角的光孔。亦有出射光瞳与入射光瞳对应。
入瞳直径 Entrance Pupil Diameter
入射光瞳 [光] [天] entrance pupil
入瞳漂移 Drift entrance pupil
相对传入瞳孔缺陷 relative afferent pupillary defect
相对性传入瞳孔障碍 relative afferent papillary defect
相对性瞳孔传入障碍 RAPD ; relative afferent pupillary defect
近轴入射瞳孔 paraxial entrance pupil
相对性传入性瞳孔障碍 relative afferent pupillary defect ; RAPD
相对性瞳孔传入缺陷 relative afferent pupillary defect ; RAPD
Then,by taking entrance pupil as reference,we recalculate the illuminance formula and obtain a reasonable one.
建立了以入瞳模式为参考的计算模型,对照度公式重新进行推算得到新的与实际相符的照度公式,得出像面照度分布取决的是物方视场角。
参考来源 - 对光学设计中照度计算公式的讨论·2,447,543篇论文数据,部分数据来源于NoteExpress
同时实际焦点位置与入瞳大小紧密相关。
The real focus position is much affected by the size of incident pupil.
星载微波辐射计外定标的关键问题是通过辐射传输方程计算天线入瞳处亮温。
The key issue in external calibration of microwave radiometer on board satellite is the determination of brightness temperature on the pupil of antenna by using radiative transfer equation.
系统孔径,常指入瞳 (entrance pupil) 或孔径光 (aperture stop),它限制可从已定义视场入射光学系统的光线。
The system aperture, often the entrance pupil or the aperture stop, limits the rays that can enter the optical system from the defined field.
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