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词汇 Optical resolution
分类 英语词汇 英语翻译词典
释义

Optical resolution

中文百科

光学分辨率

光学分辨率是用来描述光学成像系统解析物体细节的能力。

最为世人所接受的分辨率准则是由英国瑞利爵士所提出的瑞利判别准则(Rayleigh criterion),当两个等强度且不相干的光狭缝亮纹互相靠近而快要重叠时,两者的光强度叠加之后,中心处亮暗纹的光强度比最亮处的光强度小一些,减小成为约 81% (\frac{8}{\pi^2}\approx 81.14\%),如此,恰好可以判断出来是来自于两个不同的光狭缝。

英语百科

Optical resolution 光学解析度

SilverFast Resolution Target USAF 1951 for determining a scanner's optimum resolution
EIA 1956 video resolution target

Optical resolution describes the ability of an imaging system to resolve detail in the object that is being imaged.

An imaging system may have many individual components including a lens and recording and display components. Each of these contributes to the optical resolution of the system, as will the environment in which the imaging is done.

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