A new way is proposed to evaluate the influence of atmospheric turbulence on image resolution of airborne and space-borne optical remote sensing system, which is called as arrival angle-method. Applying this method, some engineering examples are selected to analyze the turbulence influences on image resolution based on three different atmospheric turbulence models quantificationally, for the airborne remote sensing system, the resolution errors caused by the atmospheric turbulence are less than 1cm, and for the space-borne remote sensing system, the errors are around 1cm. The results are similar to that obtained by the previous Fried-method. Compared with the Fried-method, the arrival angle-method is rather simple and can be easily used in engineering fields.
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