英语词典
In the use of photomultiplier, to employ some ways of electromagnetic shielding, low temperature control, getting of stray light in application of photomultiplier in detail to increase the certainty of measurement of starlight illumination.
光电倍增管存使用中采用电磁屏蔽、低温控制、消除杂散光等方法,提高了等级星照度测量的精度。
互联网摘选
Test of stray light coeffcient vignetting coeffcient and image surface illumination uniformity of optical system with large aperture and long focal length
大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等参数的测试
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