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本文根据一种干涉成象光谱仪方案，分析其平面动镜在移动时发生倾斜对干涉图的影响，导出对倾斜角度的限制条件。本文得到结论对采用平面动镜的干涉成象光谱仪具有普遍意义。
In this paper, based on an interference imaging spectrometer scheme, the influence of tilting of the plane mirror on the interferogram is analyzed and the restriction conditions on the tilting angle are deduced. The conclusion obtained in this paper is of general significance for interferometric imaging spectrometers using planimetric mirrors.