Dem pattern, Palm, Ntsc – Fluke PM5414V Benutzerhandbuch
Seite 36: Purity patterns
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(GB)
4-6
CHARACTERISTICS PM 5414 V
11. DEM pattern
PAL B,D,G,H,I,N
r
G-Y' = 0
Y = 50 % ^
A
A
□
□
±(R-Y)
= 0.28
T(R-Y)
= 0.28
+ (B-Y)
= 0.5
-(B-Y)
= 0.5
A
A
□
□
+ (R-Y)
= 0.28
-(R-Y)
= 0.28
±(B-Y)
= 0.5
T(B-Y)
= 0.5
Reference Y = 50 %
A (B-Y) = 0
□ (R-Y) = 0
PALM
^ G-Y
= 0
Y = 54 %
A
A
□
□
±(R-Y)
= 0.26
i(R-Y)
= 0.26
+ (B-Y)
= 0.46
-(B-Y)
= 0.46
A
A
□
□
+ (R-Y)
= 0.26
-(R-Y)
= 0.26
±(B-Y)
= 0.46
=F(B-Y)
= 0.46
Reference Y = 54 %
A (B-Y) = 0
□ (R-Y) = 0
NTSC
r ^
II
Y = 54 %
-I =0.23 Q = 0
white (Y = 100 %)
3
XI
Y = 54 %
+Q=0.23 l = 0
black (Y = 7.5 %)
j
4
horizontal bars with PAL burst
4 colored squares (PAL coded)
4 uncolored squares
(anti PAL-coded)
1 grey square
4 horizontal bars with PAL burst
4 colored squares (PAL coded)
4 uncolored squares
(anti PAL-coded)
1 grey square
3 horizontal bars with NTSC burst
color bar
amplitudes: 77/-/77/7.5
height: 4/6 field
2 colored squares, 1/6 field
2 uncolored squares; 1/6 field
12. Purity patterns
amplitudes
3 primary colors:
red, green, blue
3 complementary colors:
magenta, yellow, cyan;
white 100 % Y, black
100/0/75/0
77/7.5/77/7.5
625 line systems
525 line systems