为了比较真实地恢复被扫描的物体图像，为目标识别提供失真小的图像，文中提出用形态学滤波的方法处理亚成像。
To restore the image of scanned object factually and provide target recognizing system with low distorted image, morphological filters are put forward to process sub-image in this paper.
条纹相机扫描电路的非线性会导致条纹图像时间与强度信息的失真。
Nonlinearity of the sweep circuit of streak camera distorts the time and intensity information of the streak image.
由于硬件系统采用的是光栅图形显示系统，罗盘画面旋转受光栅扫描显示器的限制存在着锯齿形失真、扭曲等走样现象。
As hardware system using grating graphics display system, there are saw tooth-shaped distortion in compass screen when it rotates owing to the restrictions of the grating scan display.
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