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The United States Air Force TE250 1951 Essar resolution test

2017-10-25      Click:40
The United States Air Force TE250 1951 Essar resolution test card
The test card contains 0 to 7 groups of high contrast transparency on 35mm's film. A single pattern in the group is based on 3 black bars on the white base. These patterns exist in both horizontal and vertical directions. The structure for the USAF1951 standard.
The frequency is listed in the following table:

0

2

component

Ppiequivalent

PpiEquivalent

Ppiequivalent

Ppiequivalent

1,00

2,00

4,00

8,00

2

56,90

113,79

228,09

456,18

1,26

2,52

5,04

10,10

4

71,63

143,76

287,53

574,04

1,59

3,17

6,35

12,70

6

90,42

180,85

362,20

726,44

 

4

6

Element

Ppiequivalent

Ppiequivalent

Ppiequivalent

PpiEquivalent

16,00

32,00

64,00

128,00

2

911,86

1828,80

3647,44

7315,20

20,16

40,30

80,60

161,00

4

1149,10

2301,24

4597,40

9194,80

25,39

50,80

102,00

203,00

6

1447,80

2895,60

5791,20

11582,40


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