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-  2003 

SAR系统不确定性可视化表达及其应用

Keywords: SAR,不确定性可视化,统计方法,机械方法,不确定性程序功能,虚拟现实,信息模型

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Abstract:

摘要: SAR在成像过程中由于受到外界环境干扰和机载本身的不稳定等不确定因素的影响 ,直接影响 SAR图像的使用。因此 ,对这些不确定因素分析是十分重要的。目前 ,对于 SAR不确定性研究主要是基于统计方法 ,但这种方法不便于揭示 SAR不确定性产生的机理 ,以及不确定性可视化表达。本文首先从机理的角度讨论了 SAR成像系统误差传递函数 ,在确定了 SAR系统误差传递函数之后 ,着重讨论了在误差传递函数基础上利用虚拟现实技术和系统仿真技术进行 SAR成像系统不确定可视化研究 ,最后给出可视化表达的应用实例。 中图分类号:

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