空间光学遥感运动模糊仿真方法研究

空间光学遥感作为一个动态的成像过程,像物曝光时间内的相对运动必然会导致成像的模糊,因此在遥感成像链路仿真模型中必然要考虑运动模糊的影响。文章将运动类型分为线性运动和简谐运动两种,并且根据成像过程中器件积分时间和简谐运动周期的比值大小将简谐运动分成高频、低频不同情况来处理。文章指出严格意义上运动模糊具有空间移变的性质,最终根据积分时间同简谐运动的频率提出一种TDICCD运动模糊的仿真方法,可为后续全链路仿真提供参考。

The Study about the Means of Simulation for the Motion Blurred of Space optical Remote Sensing

As a dynamic imaging,the relative motions between the image and the object during the exposure time must induce blurring.As a result, the motion blurred must be considered in the simulation of the whole image chain of remote sensing in space.In this paper the motion was divided into two kinds,one was the linear motion,the other was the sinusoidal vibration.In the analysis of the sinusoidal vibration,the motion blurred was spatial variant.In this paper a new means of modeling for motion blurred based on the ratio of integral time to period was put forward.It was prerequisite to prepare for the simulation of the whole imaging chain of remote sensing in space.