衍射技术在超宽带SAR研究中的应用

Proceedings of the 2004 IEEE Radar Conference (IEEE Cat. No.04CH37509) Pub Date : 2004-04-26 DOI:10.1109/NRC.2004.1316474

R. Xue, B. Yuan, Junfa Mao

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引用次数: 3

摘要

研究了衍射技术在超宽带合成孔径雷达(UWB SAR)中的应用，以寻求高质量雷达成像的最佳解决方案。首先提出了微波成像准则，并引入空间频率覆盖来评价成像系统。然后对雷达图像进行分析，综合考虑散射机理、数据采集系统和图像重建算法。理论和数值结果表明，利用衍射技术的超宽带SAR具有实现高分辨率几何成像和探测目标固有物理特性的潜力。这为SAR系统的编队飞行和优化提供了理论依据。

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Application of diffraction technology to UWB SAR research

The application of diffraction technology to ultra wideband synthetic aperture radars (UWB SAR) was investigated to find an optimal solution to high-quality radar imagery. The microwave imagery criterion is presented and the spatial frequency coverage is introduced to evaluate imaging systems at first. Then radar imagery is analyzed with the comprehensive consideration of the scattering mechanisms, the data acquisition system, and the image reconstruction algorithm. Theoretical and numerical results show UWB SAR exploiting diffraction technology has the potential to realize high-resolution geometric imaging and probe inherent physical properties of targets. This provides a theoretical basis for formation flight and optimization of SAR systems.

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来源期刊

Proceedings of the 2004 IEEE Radar Conference (IEEE Cat. No.04CH37509)

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