請問CCD灰度
分辨率?謝謝
e.\>GwM 如果灰度變化范圍很少,如從240-244,那么在CCD能夠分辨出來嗎?即人眼通過CCD是否能夠分辨出來嗎?能分辨的最小范圍一般由什么決定。人眼能分辨的灰度級在50-60,也即差不多需要64灰度時(shí)人眼能夠分辨。請問CCD(黑白的)灰度分辨率是由什么決定的?比方如下參數(shù)的CCD能夠分辨的最小灰度范圍。對CCD不懂,不知道是否表達(dá)清楚。
EXdX%T\ {[uhIJD3g6 Sensor: 1/3" IT CCD, 768(H) x 494(V)
a-*sm~u Resolution: Horizontal: 570 TVL
-O})Y>=} Vertical: 350 TVL
\^1^|a" Signal to Noise: 57 db
zkt~[-jm} Gain Range: >18db
\t{iyUxY Enhancement: 0db to +8db @ 5MHz.
+5fB?0D; Electronic Exposure Range: 1/60 to 1/50,000 sec.
1D%P;eUDp Minimum Illumination: 0.007 lux for 20% video out
x.t<@y~ (w/ f/1.2 lens) (No IR Filter)
qJ" (:~ Back Focus Adjustment: ± 1.9mm
zDg*ds\ Lens Mount: "CS" or "C" (with adapter)
(~@.9&cBD Input Power: +12VDC @ 200mA
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