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Influences of atmospheric turbulence on image resolution of optical remote sensing system

The influences of atmospheric turbulence on image resolution of space-borne optical remote sensing system are discussed. The coherence length of wavefront r0 and the variance of angle-of-arrival fluctuation σ2α of sensing system are the main basis to evaluate the atmospheric influence on image resolution. In this paper, different atmospheric turbulence models are chose to calculate r0 and σ2α in order to analyze the influence of atmospheric turbulence, and the results show that the influence of atmospheric turbulence should be weak and in most cases could be ignored for space-borne optical sensing system.