??????

:
?: Redout
???,?.
???,???,???,???
????2G???
???????????????????????????????3G??????4G?????????4.5G??????3G5???????,?,????,?????????????

MPMVA(maximum plus to maximum visual acuity ?)??????????????
??????MPMVA(maximum plus to maximum visual acuity,?)???????(??????)????MPMVA???
(MPMVA)MPMVA?????????????(?)???????????MPMVA????
MPMVA????????????????+0.75D+1.00D?????????????
????????0.25D???????0.25D??????(MVA)?????????????????
3.1.2??MP...

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?????????????????????????????????????????????????????????????????????????????????????????AB??????????????????????????
?????D??

??????????????RFIN??????????????????PALNTSCSECAM?????
1???????????
2????????????YC???YC??YUV?RGB???
?????2.6MHz?????????????????3MHz???????????500?????????????260???????????????
??????,????,???????,???,?????,????,???????????????????????????????????????????????????????????????????????????????????...

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