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equivalent background illumination
释义
equivalent background illumination
Encyclopedia
工学
微光夜视成像器件特性
释
equivalent background illumination
等效背景照度
为了使荧光屏亮度等于暗背景亮度值,而需在光电阴极面上输入的照度值,就称为等效背景照度。合适的亮度是人眼观察图像的必要条件,但微光像增强器的输出亮度并不都是有用的。
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