The relations of field of view,Strehl criterion,resolution limitation,modulatin transfer function(MTF) and remainder aberration to central obscuration are analyzed theoretic and the allowable diameter of reference plate is 0.
理论分析了被测面视场、Strehl判据、分辨本领、调制传递函数MTF以及残余像差和中心遮拦的关系,得到参考面的允许直径0。
The defect of residual pixel in image processing greatly affects the visual impression of the stereo image.
但是长期以来,在图像切分时并不能保证像素一定被整除,这意味着剩余像素的出现,合成的立体图像必然存在误差。
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