¦p§øªø©Òµo²{ªºCCD KAF8300¬PÂIªÎ¤j°ÝÃD¤]§xÂZ¤F³\¤[.¨ä¥Dnì¦]¦p¤U:
1. CCD µJÂI¤£¹ï in each RGBL filter. ©Ò¥H«Øij§O°½Ãi, ¥ÎMaximDL ±`±`¤£·Q½ÕµJªº¸Ü¥ÎÓrobofocus§a
. §â¨CÓchannelªºµJÂI®tȳ£¿é¤J¶i¥h. ÁÙ¦³¹ïG filterµJÂIªº·Å«×®tȤ]n¬ö¿ý. ·í°·Å®É100sdufµJÂI³£·|¦ì²¾Ó17um/4C. Sky90¦ì²¾Ó22um/3C.
2. °¼v¤ÎHalo: ¥ÎLuminence filter¥i¥HÁקK¦h¾lªºµµ¥~ªiªø¥ú¤l¤J®g¨ìCCD. ÁÙ¦³¦ì¸mnÂ\¨ìºÉ¶qÂ÷CCDªñªº¦ì¸m. Or ´NÂ\¦b±æ»·ÃèÃèÀY«e, ³o¼Ë¶Ë¥»ªºÂ\ªk¥i¥H¦³®ÄÁקK¦]¥¦æ³zÃè¦â®t/¹³®t. ³y¦¨¼v¹³«~½è¤U°ªº°ÝÃD. §Ú¨S¨º»ò¦h¥», §Ú´N®³±¼¦h¾lªº¨¾ÃúÂoÃ讳±¼, µM«á¦A§âccd ªí±¥Î°sºë¥[¤AîÅ·»¾¯À¿°®²b.
3. Seeing ¤£¨Î: ®L¤Ñ¥»¨Ó´N¤£¦n, ©Ò¥H¦h§Ô@§a. ¦³°ªªÅ¨÷¶³®É³£¥i¥Hµo²{Halo¦h10-20%¤j¤p.
4. CCD offsetÈnoptimize. ¤@¯ë³£¥Î100 ADU, ¦ý¬O¹ï©óF number¤pªº¥ú¾Ç¨t²Î,¦]¬°¤ñ¸û§Ö³t,©Ò¥H¤£»Ýn¥[¨ì100Åý¨ädark countÅܦ¨°ª´µ¤À¥¬, ¥i¥H´î§C¤@ÂIÂI(Dark count ªºmean - 2.5 sigma). ¦ý¬O´N·|·l¥¢¤F¥ú¤l.
5. ±æ»·Ãè¨ìCCDÂà±µÀôè©Ê¤£¨Î: ¹³§ÚªºÂà±µÀô¨C¦¸Ãn¥ú³£¦]CCD shutter¤Ó¤jÁnªº¦©, ¦ÓÂàÓ1-3¨¤¬í,¥B¤W¤U¨Ó¦^®¶Ó´Xum. ³o¼Ë¦hÅ|´X±i¬PÂI¥H·|Åܪº«Ü¤j. «Øij´«¦¨¤£ù׿û/¶À»É/ºÒÅÖºûªº±µÀô¤Î¶R¤JAO..
6. ¨ú¹³³nÅ餣¹ï: sbig¤ºªþªºCCDsoft¨ú¹³´N·|¤ñMaximDLÁÙ¦n. ³oÓì¦]§Ú¤@°¦¤£²M·¡¬°¦ó.
7. CCDªí±µ²Á÷: ¸òCCD·Å«×¦³Ãö >-30C¬O¤ô®ð¬°¥DªºÁ÷,«p«×¤j·§¬O0.1um~1um. ¥i¥H¸ËÓde-humid tube°®À꾯ºÞ. Or ¦Û¤v§ïÓ¥D°Ê´`Àôªº°®ªÅ®ð´`Àô¨t²Î. ¦pªG<-35C, ´Nn¦Ò¼{CO2+H2O²V¦XÁ÷, «p«×¤j·§³£<0.1um. ¨Ã¤£¦n¥h.°ß¤@Ó¤èªk¾Ú»¡¥[¤J¨T¨®¨¾µ²Ãúªº¼Q¾¯¦³ÂI®Ä. ¤£µM´N¬O¨C©çÓ2 hrs¤Éӷūרì-10CÅý°®À꾯ºÞ°£Á÷.
8. ³Ì¨S¿ìªk¸Ñ¨Mªº¬OKAF-8300¤W±¨ºÓfull-scaleªºmicrolens. ¤£¹³Â«¬300D microlens, ¦]¬°NAÈ°ª, ¶i¤Jªº¥ú¤l¨¤«×¤j,©Ò¥H·|§â¤@°ï¤£¬Û¤zªº¥ú¤l¤]count¦b¦P¤@Ópixels¤W. ³o©Î³\¥ÎDither¥i¥H¸Ñ¸Ñ¬Ý. ³oÓST-11K´N¨S³oÓ²{¶H¦]¬°®Ú¥»¨S¦³microlens.
[ ¥»©«³Ì«á¥Ñ arided ©ó 2010-7-19 14:43 ½s¿è ]
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