Solvingtheatmosphericscattering摘要.PDFVIP

Chin. Phys. B Vol. 23, No. 9 (2014) 094201 Solving the atmospheric scattering optical transfer function using the multi-coupled single scattering method 鈥 Sun Bin(瀛 鏂? , Hong Jin(娲 娲?, and Sun Xiao-Bing (瀛欐檽鍏? Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Science, Hefei 230031, China (Received 24 October 2013; revised manuscript received 17 February 2014; published online 16 July 2014) The atmospheric scattering optical transfer function (OTF) is solved by applying the multi-coupled single scattering (MCSS) method to the three-dimensional radiative transfer equation (RTE) under the periodic ground condition. This approach is a direct hit to the atmospheric scattering OTF using the same original context of modulation transfer function (MTF) measurement, i.e., images of sinusoidal grating at different spatial frequencies. Both the amplitude and phase shift of the OTF at various zenith and azimuth angles can be obtained at an arbitrary spatial frequency. Keywords: atmospheric scattering, optical transfer function, modulation transfer function, multi-coupled sin- gle scattering method PACS: 42.25.Bs, 42.30.Lr, 42.68.Mj DOI: 10.1088/1674-1056/23/9/094201 1. Introduction 2. Model and method In high-resolution images from satellites, blurring caused 2.1. 3D radiative transfer equation by atmospheric scattering and turbulence severely impairs The most gener