?????????????????????????????????? 21 50 06 ? ??? ????????????? ??????????????????????????????Ч??????????????? ??? ???????????????? ??? ???????????????????????? 22 .7m m ? ???? 1: ???? 4 ° ???? 45 .3m m ????????????????????????????? ?????????????????? Design of Light pact Optical Systems for S t ar Sensors WU Feng, S N W e imin (Moder n Inst it ute of O p t i ca l T ech no lo gy , S ooc how U n iv ersity , Su zh ou 21 50 06 , C h in a) Abstract: It i s i m portan t t o des i g n a c o m act op ti cal sy stem for a star sens or for decre a sin g i t s w e igh t . First , its prin ci pl e and the perform ance inde x of its optic a l syste m are introduc ed and analyz ed. T h en, a n optical syste m used for star sens ors is reporte d. It posed of s e ve n sp heri cal nses, an d t h e sto p is b e tw een th e se co n d and t h e t h ir d le ns. Its fo cal le ng th , rela tive a p erture, and field of view ar e, respect iv ely , 2 2 .7m m , 1:1. 4, and 2 4 °. A n d i t o ta l le ng th is o n ly 4 5 .3m m . Keyw ord: sta r sensor; op ti c a l d e si gn; CC D ; att i t ude m e asurem ent ?????????????????? ??????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????? б?????????Ч??????????????????????????????????????????????? ?????????????? ?????????????????????????????
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