Abstract
According to the imaging gaps caused by scrolling imaging in the conventional assembled focal plane for a push-broom camera,a mechanical assembling method with uneven overlapping pixels was proposed.Firstly,a model was established to simulate the imaging process when the camera was scrolled.Then,the reason that the gaps appear was analyzed,and a mathematical formula for the gaps between the CCD viewing fields at a certain scrolling angle was derived.Accordingly,the allowable minimum quantity of the overlapping pixels between every two CCDs was derived as well.On these bases,a function of overlapping pixels of images was given for subsequent software programs to eliminate the superfluous pixels and to realize the gapless assembly.Analysis indicates that the error e of this assembling method is less than one pixel,which satisfies |e/D|1.Finally,an example was given.
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