Liu Minghua, Yu Mozhi, He Ping'an, He Duiyan. Precision Determination of the Best Imaging Position of CCD Array of Space Camera with Optical Transfer Function[J]. Geomatics and Information Science of Wuhan University, 1996, 21(2): 172-175.
Citation: Liu Minghua, Yu Mozhi, He Ping'an, He Duiyan. Precision Determination of the Best Imaging Position of CCD Array of Space Camera with Optical Transfer Function[J]. Geomatics and Information Science of Wuhan University, 1996, 21(2): 172-175.
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Precision Determination of the Best Imaging Position of CCD Array of Space Camera with Optical Transfer Function

    Abstract
  • A measurement method of optical transfer function(OTF)is discribed in this paper,in which charge-coupled device(CCD)in space camera,with an image sampler joined up with a PC,is used directly as an optoelectronic element.Knife edge scanning with high precision and high sampling density and digital Fourier analysis method is adopted.After measuring the defocal MTF curve of space camer-a,the best imageing position is determined precisely.
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