UID:40604
UID:39243
UID:2806
UID:40882
UID:41255
UID:14065
UID:10845
引用第5樓nwl2000于2007-02-07 21:52發(fā)表的: fDd!Mt 我們課程設(shè)計只是設(shè)計了個簡單的望遠(yuǎn)系統(tǒng),拿著計算器算了兩周,每個結(jié)果至少保留9個有效數(shù)字,最后使用一個doc程序優(yōu)化,得到滿足像差要求的結(jié)構(gòu)參數(shù),當(dāng)時想想:光學(xué)也真夠精密,9個有效數(shù)字的微小變化就會導(dǎo)致像差無法滿足要求
UID:57086
UID:57645
UID:59563