亚像元动态成像技术中系统调制传递函数的数值分析

The Numerical Analysis of Systematic Modulation Transfer Function in Subpixel Dynamic Imaging Technique

亚像元动态成像技术是目前实现遥感器小型化非常有效的新方法 ,因而研究亚像元动态成像系统的调制传递函数 MTF显得非常必要和重要。介绍了亚像元动态成像的基本原理及成像过程 ,指出了光程差对亚像元动态成像系统 MTF的影响。对亚像元动态成像系统的 MTF进行了数值分析 ,并指出了亚像元动态成像系统的成像质量及空间分辨率与一般成像系统相比较的优点。

The subpixel dynamic imaging technique will be one of the most effective new methods to minimize optical remote-sensors.It is importent and necessary to studying the modulation transfer function of subpixel dynamic imaging system. The fundamental concept and image formation of the subpixel dynamic imaging system are introduced.In this paper, the numerical analysis of MTF of subpixel imaging system is discussed, and the advantages of subpixel dynamic imaging system is pointed out.