镜面物体往复通过弱湍流大气系统的成像

分别利用部分相干理论、以广义随球波函数为基础的Ｋａｒｈｕｎｅｎ－Ｌｏｅ′ｖｅ展开和相干成像理论研究了弱湍流像差大气照明系统互强度函数传输特征和位地湍流介质中镜面物体成像规律。结果表明：仅当反射光束相干尺度（成像光束等效直径）小于成像孔径的尺度时才能改善湍流大气中两次成像的质量。

Imaging of Mirror Objects Through the Double Passage System of Atmospheric Turbulence

The partially-coherent theorem, the Karhunen-Loe′ve expansion of generalized prolate-spheroidal function and coherent imaging theorem are used to analyse the propagation characterization of turbulent average mutual intensity of weak atmospheric turbulence illuminating system and imaging of mirror objects placed in turbulent medium. It is demonstrated that double passage imaging leads to an improvement in image quality (surperresolution) only for the reflective beam whose coherent scale is smaller than the scale of the aperture of imaging system.