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ڵλãֻؼ
ֻѡؼ
2004-03-15 10:10it168ߣ
ȥֻռԼƶͨ"""E"ҵƹ㣬ֻѾΪֻı׼ܡֻܣҲѳΪ˹ֻʱҪҪȻѡЩֻʱܡӦáû㹻˽⣬ôľͻΪͷֻѴḻĻ֪ʶӦüɡ

ȣʶͷĹɡȻú֣֮ԭһġ



õĸй֣CCDCMOS֮֡CCDCharge Coupled DeviceӦͼɨ跽ĸ߶˼CMOSComplementary etal-Oxide Semiconductorӽ뵼ӦһЩͶƵƷСĶλʾھͷʹʱкܴʵϾ죬ĿǰCCDCMOSʵЧIJѾļСˡCMOSɱ͹ĶҪCCD٣Ժܶͷ̲õĶCMOSͷڣϴõCMOSҲCCDġ

CCDCMOSԵףǿԴӼĽǶȽҪڵ

aϢȡʽͬ

CCD洢ĵϢͬźſһλһλʵʩתƺȡϢתƺͶȡҪʱӿƵ·鲻ͬĵԴϣ·ΪӡCMOSתֱӲѹźţźŶȡʮּ򵥡



CCDͬʱӵĿΪλһλһλϢٶȽCMOSɼźŵͬʱͿȡźţͬʱԪͼϢٶȱCCDܶࡣ

cԴĵ

CCDҪԴ磬ĵϴCMOSֻʹһԴĵdzСΪCCD1/81/10CMOS紫ڽܷкܴơ

d

CCD𲽽磬Գ죬PN϶CMOSһơCMOSɶȸߣ紫Ԫ·֮ܽ໥֮Ĺ⡢硢ŸŽΪأͼӰܴ

֪ǵ֮󣬴ҿԿδֻͷ϶ҪCCDչġ

ƽʱȽ϶עֵ

νͼʵָͼļĴСʵֱֵӵķӳͬ£ԽͼļijߴҲԽ󡣶ҲͼߴصġƽʱƬֱٸӡ640480QVGAߴ磬ǵij˻Ϊ307200أͱͷֵΪ30ˡ

ڣͷ30ˡƬߴҲΪVGA(640480)QVGA(320240)CIF(352288)QCIF(178144)ˡ֤ͼƬͳ߶ȡĿǰصֻѾ֣ᰮŲŷS700һ߱130CCDͷֱֻΪ1280960


ǿܻῴͷֶ֧ٶٱ佹Ҫ佹͹ѧ佹ǵֻϵĶ佹ձijƳֹ֧ѧ佹ֻˣ˵һơ

ڹѧ佹ȻԽԽˡᵽ佹һֵ㷨⣬ڽƬŴḶ́Ҫijֲֵ㷨϶䣬Դﵽѧ佹ЧڷŴ󼸱֮ͻᷢ־ģ塣Ҳ佹ı׶ˡУܶĶṩƣʵǻ֣ᷢʵƶƬijߵIJôԡ

ʱҪע¼:1ڹõĵط㡣2ҪζֻƽʱDCܲôԣֻʱֻζģԡ

֪Щ֪ʶôѡЩֻʱҪעЩʲô?

ȿֻͷص?Ƿֱ֧佹?ڻλǷƺ?Ƿ㶯̬?Ƿͬ¼?Ƿľ?Ƿ?ԼֻڴƬڴĴС?ֻǷзغ豸ĹߣߡҪûǷ֧ڵ"""E"ȡ

۹ֻͷչ̣ء߷ֱʡѧ佹㶯̬¼ȷ淢չ

ºŴҶôѡͷֻ˽ˡôͿʼӭǷḻʵֻĿʼ!

ĵַ:http://www.cnonline.org/2004/article/3777.html

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