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The United States Air Force TE250 1951 Essar resolution test

2017-10-25 Click:212

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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