Abstract
The computer modeling of widely used in the space observation systems charge coupled devices matrix imagers with the time delay and integration regime is presented here. To suppress the aliasing problem of output images distortion, caused by the matrix discrete structure, the algorithm of every pixel conversion to 9 subpixels has been modeled. This algorithm performs the digital interpolation of output images and presents an approximation of the Kotel’nikov two dimensional low-pass filter. To study the effect of the imager’s output signals processing the Modulation transfer function with a sinusoidal law of the matrix illumination had been used. The image motion influence on the imager’s resolution had been modeled to estimate the Modulation transfer function anisotropy in the time delay and integration regime. The paper results open new ways to improve the space observation systems’ resolution.
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