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- 2016
一种基于混合模型的合成孔径雷达自聚焦算法
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Abstract:
摘要 提出一种基于混合模型的合成孔径雷达自聚焦算法.本方法用有限阶泰勒多项式估计低频相位误差，用自适应正弦多项式估计高频相位误差，解决了单一模型自聚焦算法对高频相位误差估计精度低的问题，提高了图像锐度和峰值旁瓣比，减小了主瓣宽度.在研究利用相位误差参数模型进行聚焦处理的基础上，分析基于混合模型实现最优锐度自聚焦算法的可行性，并通过仿真和实测数据处理验证了本方法的有效性.
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