End-to-End Image Simulator for Optical Imaging Systems: Equations and Simulation Examples

Table 7

Image quality parameter (SNR*MTF) calculated at low and high illumination radiance (Table 4), 20% of on ground albedo and different spatial periods of Figure 8. The diffraction limit represents the Airy radius of Rayleigh criterion. Values with SNR*MTF > 10 are bold.

Illumination	GSD	Pupil; diameter	On ground diffraction limit	SNR*MTF at 𝑟=0.2 at spatial period					Quality evaluation
				5 m	7 m	10 m	15 m	20 m
High	2.5 m	150 mm	5.0 m	3.4	9.8	17.3	24.5	27.9	Low
Low				1.0	2.6	4.6	6.6	7.5
High	2.5 m	300 mm	2.5 m	18.9	39.9	59.8	78.7	85.0	High
Low				6.3	13.3	19.9	26.2	28.3
High	3.5 m	150 mm	5.0 m	3.2	13.6	29.5	46.3	54.3	Suff.
Low				1.0	4.3	9.3	14.6	17.1
High	5.0 m	150 mm	5.0 m	0.2	9.5	34.9	71.5	96.9	Suff.
Low				0.1	3.6	13.2	27.9	36.6