4.ƾ߷벼÷ʽ
4.1ƾ߷
ƾ߰״ɷΪABC࣬3ʾ
УӦݾѡʵĵƾߡͨڲ沼ƷʽùΪΣBCͣƵϵҪԲԳƹAͣơƷʽԲԳƹAͣƵϵҪΣBCͣơ
4.2ƾߵIJ÷ʽ
ΪЧùԴĹͨӦͶѡƹǵĴСǵĴСɷΪ7࣬4ʾ
1ʽ
ĽǵλӦѡص߳15ǡ볡߳5ǵཻӳеÿռ䷶Χ˽ڳصĶԽϡưװ4ϣֲʽûʽϵͣҪõƾߵά⡣
ڵĸ߶Ӧʹһŷ볡ˮƽļн20㡫30㣬һΧʹ۴ߣͬʱҲήʹֱնˮƽնȵıӰ͵кͽʶ˶ٶȡ
һŷƣˮƽĴֱ߶ȿʽ8ȷ
HLtan25H0.4663L
8ʽУHһŷƣˮƽĴֱ߶ȣmLĵˮƽ룟m
ʽеLHϵԲбֵȷ볡ˮƽнΪ25ʱLH=2.1451볡ˮƽнΪ20ʱLH=2.7471
۵Ӧװ÷ӵʩӵص費10Ӧúɫ߶ȱ־ƣҲ2̨ϰװĽ߶䡢ĵ¼ɵṩ
ܵλüһŷͶǶȼ߶ӦҪ>5㣬>15㣬20<<30㣬45<<70
2ʽ
ٽƴʽʽлһIJƷһۺЧȽϺõһֲʽ
ڻϲãͶǺͷλÿʵijȿʵ̣ĸ߶Ҳʵ͡
5.
1磬һɵѹ·ԴΪãֶԶͶУƽʱ·Դ50ҵĸɣҾȷֲԱκһ·ϵ磬Ϩ˵ĵƹδȼʱܱ־ȵնȷֲʹһԱԿɽС⣬ŵƵʱԼΪ48minʱԼΪ1015minˣʹֵԴͶҲʹϨ˵ĵƹȼʶֵĿңɲֵԴֶͶлʽֵĿӦ·ԴͶԸлʽ֤УӳԴʹ
ٴֹ緽ʽɲdzصӦҵԴתʱܻ֤С
ϵͳԽΪӣӦϸߡ
۲ʽʱԴڵײڲ࣬Դصڱڷ裬ƾߵĶ緽ʽΪ
ܲùʽʱԴֱ͵ϵ̨ķ֧·ԲתĽ߲۷跽ʽ
2ƵĿأҪӴľբܣɿع裠ʵ֡ýӴƣɿҲϾãþբܿƣȽ۸ϹΪ˱ά͵ƹⷽı仯˲õƵأҲһؿ23ƣԲ3Ϊˡ
3ŵƵȼʱܴƹʱ˼0.5sʱ˼1030s.⣬ŵƵƵЧӦӰܴɽԴŵжڵԴƵʵƵƵʹѸ˶壬ֻӰЧӦӰܴӳʱʾһܵƵӾƣͨ͡ùͨIJFbd
Fbd=FmaxFmin/2Fav100
9ʽУFmaxֵͨFminͨСֵFavͨƽֵֻҪ25£˵ӾƵƣЧӦͨı緽ʽʵ֡磺ڵŵƽڲͬλĵԴϣڷʱɿⲻͬλŵĹͨൽصȡ֮ڴʹŵƵб뿼ƵӰ졣
6.
ϯҪʽΪרĵƹҲų̈пǫ̛Ϊ˻Իʽеλģ̡ƹⵥءؿصȣƹⵥؿصIJӦλģӦԶƣҲֶƣģֳ״̬ԶƼƾǷʾϵλãɸʵҪòͬĿƷ㲻ͬݼնȵIJͬҪͬһĿͬնȵIJͬҪԤȷֿƷ̺ڣݲͬҪӦĿ
7.
õʵ֣ҪȡȷȷƷͬʱʹ豸ѡȡϵͳ̸ĽһЩdzʶдڽ֣̽ڵĹɣʹ֮һۻϵͳӶָʵ
DZ߶ƵһЩdzʶָ֮
ο
1.ýƱGBJ13390
2.ýƹ淶JGJ/T1692
3.ձѧࡣֲᡷйҵ硣1995
4.οȡֲᡷԭܳ硣1993
5.רҵƼʩйҵ硣2000
6.CIE Publication No83.Guide for The lighting of Sports Events for Colour Television and Film Systems1989
7.CIE Publication No57.Lighting for Football1983