结论：考虑病人的吸收剂量和避免影像失真，摄影焦-片距的选择应与滤线栅的焦距相匹配。
Conclusion: Considering the absorbed dose of the patients and avoiding the image distortion, it is suggested that the selection of focus-film distance should be matched with the tube and grid.
需要用交错相机拍摄的影像中移动导致的失真的发生是因为两个视野不是同一时间获得的。
Motion-induced blur in images acquired with an interlace camera occurs because the two fields are not acquired at the same time.
在收端，通过对获得的一对复侧影像幅度的联合处理(融合)，达到获得不失真的侧影像幅度的目的，且能够恢复目标的实际轮廓。
At the receive end, we can not only get the undistorted range profile image, but also get some available conclusion by use of the crasis of the extent.
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