基于数据融合的分布式综合孔径微波辐射高分辨率成像算法

doi:10.12305/j.issn.1001-506X.2022.08.03

Abstract

Abstract:

In view of the problem that both the antenna array and system complexity of large distributed synthetic microwave radiometer system increase with the improvement of imaging resolution, an imaging algorithm based on data fusion for synthetic aperture microwave radiometer with high-resolution is proposed. Firstly, the data fusion model is established. And then the data fusion algorithm is discussed in detail. Finally, a series of ground validation imaging tests are carried out and some imaging results are presented. Both the theoretical and experimental results demonstrate that the proposed algorithm is feasible and can effectively improve the imaging resolution. Moreover, it provides a new solution for enhancing the spatial resolution of microwave radiometric remote sensing from the perspective of data dimension.

Key words: data fusion, distributed, synthetic aperture, microwave radiometer, high-resolution imaging

CLC Number:

TP732.1

Taiyang HU, Jinyu ZHANG, Hailiang LU, Pengfei LI, Yinan LI, Rongchuan LYU. Distributed synthetic aperture microwave radiometric high-resolution imaging algorithm based on data fusion[J]. Systems Engineering and Electronics, 2022, 44(8): 2403-2409.

Figures/Tables 9

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References 30

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参数	指标
工作体制	直接检波单通道
工作频率/GHz	94
系统带宽/GHz	2
天线口径/mm	300
3 dB波束宽度/(°)	0.8
方位扫描范围/(°)	-170~+170
俯仰扫描范围/(°)	-40~+90

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Distributed synthetic aperture microwave radiometric high-resolution imaging algorithm based on data fusion

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