田方,扶彦,刘辉,李葛爽

• 1:河南测绘职业学院
• 2:河南省测绘工程院
• 3:华北水利水电大学测绘与地理信息学院
• 4:郑州市交通规划勘察设计研究院

摘要(Abstract)：

为了充分分析和验证姿态角误差对MIMO下视阵列SAR技术测绘能力的影响,该文借助惯性测量单元系统的3个旋转角分量,根据等效相位中心原理,详细推导了MIMO下视阵列SAR整体误差模型,又在进一步忽略平动误差影响的前提下,重点分析了各个独立角分量对成像结果的影响程度,得出了横滚角分量影响最大,偏航角分量影响次之,俯仰角分量无影响的结论。通过分别加入相同大小横滚角和偏航角误差的3组仿真数据的三维成像实验验证了结论的正确性,并提出了合理的应用建议。

关键词(KeyWords)： 下视阵列SAR;姿态角误差;MIMO;横滚角;偏航角

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41901411);; 河南省青年人才托举工程项目(2020HYTP010);; 河南省高等学校重点科研项目(19A420008)

作者(Author): 田方,扶彦,刘辉,李葛爽

DOI: 10.16251/j.cnki.1009-2307.2020.09.011

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