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Glossary
Symbol
p
n
µ
m
k
M
G
A
active pixels
B
black level
C
CCD
E
edge count
exposure time
© National Instruments Corporation
Prefix
pico
nano
micro
milli
kilo
mega
giga
The number of light-sensitive pixels on a CCD sensor.
The value that corresponds to true black in the image.
Charge Coupled Device. A chip that converts light into electronic signals.
A specified number of assertions, rising, falling, or both, in a signal.
The amount of time that light is allowed to strike the imaging sensor to
produce an image.
Value
10
–12
10
–9
– 6
10
–3
10
10
3
10
6
9
10
G-1
NI 177x Smart Camera User Manual
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