In case of no way to make synchronizing between the flash and the rotating, one has to identify the Angle of all the random projections on the Sinogram before doing ct image reconstruction.
在闪光无法与旋转物体角移严格同步时，为进行CT图像重建，需对这些随机投影的投影角进行识别和确定其在正弦图上的位置。
By correcting the rotating Angle of the image based on the flight attitude of the UAV, the direction of the aerial image can be fixed to help the operator to observe and decide correctly.
通过图像旋转的原因分析，推导出普遍适用于航拍图像纠偏处理的公式；并根据无人机飞行姿态来判断航拍图像的旋转角度进而加以纠正，使航拍图像固定指北，有助于操作员正确进行图像的观察及判定。
The second image is obtained by rotating the cross-grating interferometer an angle about its axis of symmetry.
将光栅干涉仪绕其对称轴转过一角度，得到第二个像。
The second image is obtained by rotating the cross-grating interferometer an angle about its axis of symmetry.
将光栅干涉仪绕其对称轴转过一角度，得到第二个像。
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