Several key techniques used in the high energy laser system nowadays, such as adaptive optics, beam control, have been challenged on the way from laboratory to practical application.

在从实验室走向实际应用的过程中，现有高能激光系统涉及的关键技术(如自适应光学、光束控制)遇到了较难解决的问题。

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Some improper points of system illuminance formula in the optics textbook and optical software have been found and analyzed, and more practical formula have been deduced.

分析并指出了教科书及光学软件中光学系统照度公式的不恰当地方，推导出了更符合实际的光学系统照度公式。

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Based on the practical atmosphere characteristic, the restoration methods are described through filtering the blurred images from the Angle of Fourier optics spectrum.

根据实际卫星遥感成像的大气云雾影响特性，和傅立叶光学空间滤波原理，从云雾频谱分析的角度讨论模糊图像的滤波恢复处理方法。

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