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采用近场方式记录的同轴全息图重现时受孪生像的影响比较严重；采用远场方式记录的同轴全息图重现时几乎不受孪生像的影响．为了提高成像分辨率，人们采用近场方式记录软Ｘ射线同轴全息图．本文利用计算机实现近场全息图的远场法重现．模拟实验证实了方法的可行性．
The coaxial holograms recorded by near-field mode are more affected by the twin images. The coaxial holograms recorded with the far-field mode are almost unaffected by the twin images. In order to improve imaging resolution, near field recording of soft X-ray coaxial holograms is used. In this paper, the far-field method of near-field hologram reconstruction is realized by computer. Simulation experiments confirmed the feasibility of the method.