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发表于 2005-7-14 17:31:00
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[B]以下是引用[I]redflag[/I]在2005-7-13 10:19:17的发言:[/B][BR]You can use the simple formula define as blow:
aut;
@RI == (M F2 R2 SI) - (M F2 R3 SI)*(L F2 R4 SI)/(2*(M F1 R2 SI)**2)
@RI > 0.60 !!第二视场F2的相对亮度大于60%
....
Sorry, Redflag,
The result of above equation seem can't match MTF's relative illumination result for desired field. |
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