光学遥感成像系统全链路仿真框架研究

J4 ›› 2012, Vol. 29 ›› Issue (4): 392-399.

光学遥感成像系统全链路仿真框架研究

马晓珊,孟新,杨震,彭晓东,谢文明

中国科学院空间科学与应用研究中心空间信息与仿真技术研究室，北京 100190

收稿日期:2011-07-06 修回日期:2011-09-14 出版日期:2012-07-28 发布日期:2012-07-01
通讯作者: 孟新（1965-），研究员，博士生导师，主要从事空间信息与仿真技术等方面的研究工作。 E-mail:mengxin@cssar.ac.cn
作者简介:马晓珊（1978-），博士后，主要从事遥感成像模拟、大气光学等方面的研究工作。Email: maxs@cssar.ac.cn
基金资助:
863项目(2010AA7010418)

Framework of entire image chains simulation for the optical remote sensing images system

MA Xiao-shan, MENG Xin, YANG Zhen, PENG Xiao-dong, XIE Wen-ming

Space Information and Simulation Technology Laboratory, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing100190, China

Received:2011-07-06 Revised:2011-09-14 Published:2012-07-28 Online:2012-07-01

摘要/Abstract

摘要：

针对光学遥感成像系统的全链路仿真在我国刚刚起步。通过分析能量在大气、场景和遥感器之间传递时发生的各种相互作用，将整个仿真过程分为三维场景构建与组织、遥感器入瞳处辐亮度图像模拟、遥感器效果模拟三部分，分析了框架中各个模块的功能和模块之间的概念数据流向。最后分析了地形起伏和观测角度变化对成像的影响，计算显示：像元高度从0增至1 km时，入瞳处辐亮度的最大相对差异可达170%；观测天顶角分别从180°变为124.4°时，辐亮度的相对差异最大可接近50%。

关键词: 遥感, 成像仿真, 框架研究, 全链路

Abstract:

The entire image chains simulation for the optical remote sensing images system is still at the starting stage in our country. By analyzing the interactions between the atmosphere, the scene and the remote sensor, the imaging process is divided into three parts: the construction and organization of the 3D scene, the simulation of the at-sensor radiance images and the simulation of the sensor effects. The functions of every module and conceptual data flow between these modules are analyzed briefly. At last, the effects of terrain fluctuations and the view zenith angle on imaging are discussed. The results show that with the increase in pixels height from 0 to 1km, the relative errors of the radiance at-sensor can reach 170%. And the maximum relative error of the radiance at-sensor is close to 50% with the change of the view zenith angles from 180° to124.4°.

Key words: remote sensing, imaging simulation, framework research, entire image chains

中图分类号:

马晓珊孟新杨震彭晓东谢文明. 光学遥感成像系统全链路仿真框架研究[J]. J4, 2012, 29(4): 392-399.

MA Xiao-shan, MENG Xin, YANG Zhen, PENG Xiao-dong, XIE Wen-ming. Framework of entire image chains simulation for the optical remote sensing images system[J]. J4, 2012, 29(4): 392-399.

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