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改进的G矩阵模型法在全极化综合孔径辐射计中的应用

DOI: 10.15918/j.tbit1001-0645.2015.07.018

Keywords: 辐射计 综合孔径 全极化 反演 FPIR

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Abstract:

反演成像是综合孔径微波辐射计的一项关键内容,但反演过程是欠定的,不能提供一个确定解. 针对综合孔径辐射计中常用反演算法:G矩阵模型法存在较大反演误差的问题,提出了一种改进的G矩阵模型法应用于FPIR系统中. 仿真结果表明,与传统的G矩阵模型法相比,改进的G矩阵模型法能有效地降低FPIR系统图像反演误差,以获取高精确度的观测场景的亮温分布满足FPIR系统探测海面风场、土壤湿度等应用需求

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