论文部分内容阅读
点扩散函数(PSF)是传统成像光学中一种典型的分析方法.针对关联成像这一全新的成像理论,借鉴点扩散函数分析方法,采用半经典理论对其成像过程进行了重新推导,给出了鬼像和物体透射函数之间的点扩散函数.以此为基础,推导了成像光路中存在湍流时,与之对应的PSF以及鬼像的表达式.最后对成像过程进行了数值仿真分析.结果表明,PSF可以有效地描述关联成像的过程,并且可以定量分析成像距离、光源大小和湍流强度对鬼像的影响程度.“,”The Point Spread Function (PSF) is a typical analytical method of traditional imaging. Using it for reference, the theory of Correlated Imaging(GI) was re-deduced and the PSF of Ghost Image(GI) was derived. Based on this theory, the PSF and GI formula were derived when turbulent was considered in optical paths. Finally, numerical simulation was done and the result indicates that GI process can be described by PSF properly. The variation caused by distance, source size and turbulence intensity can be quantitatively analyzed.