同时对国土卫星像片的几何配准，运用多项式与有限元法相结合的原理，进行了计算机和光学处理的对比研究。
Moreorer a comparative study of computer image processing and optic processing was done to solve the geometric registration of the image using multinomial and finite element method.
文章介绍了CBERS -1卫星的CCD相机的光学拼接、配准和定焦技术，它们是获得高清晰度图像的关键技术。
The paper introduces the key techniques of CCD camera for CBERS-1 satellite, which includes optical butting, registration and focus_fixing, they are very critical to obtain high_resolution images.
然后针对卫星移动环境提出了一种准同步实现策略，并对其可行性进行了论证。
This paper presented one strategy to realize quasi-synchronous in satellite environment, and discussed its feasibility.
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