Moving target imaging using ultrawideband synthetic aperture radar

Hanwei Guo; Diannong Liang; Yan Wan; Xiaotao Huang; Zhen Dong

doi:10.1117/12.488665

12 September 2003 Moving target imaging using ultrawideband synthetic aperture radar

Hanwei Guo, Diannong Liang, Yan Wan, Xiaotao Huang, Zhen Dong

Proceedings Volume 5095, Algorithms for Synthetic Aperture Radar Imagery X; (2003) https://doi.org/10.1117/12.488665
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

Moving Target High Resolution Imaging of Foliage Penetrate Ultra-Wide Band Synthetic Aperture Radar (FOPEN UWB SAR) is of great significance for battlefield awareness of concealed target. Great range migration and strong clutter make moving target detection and imaging difficult, especially the Signal to Clutter Ration(SCR) some times is so low that the moving targets is invisible in FOPEN UWB SAR imagery. To improve SCR, the clean technique is used in range compressed data domain. The clean technique and data reconstruction help single channel of FOPEN UWB SAR suppress strong tree clutter and stationary target signal from region of interest. A new definition called General Key-Stone Transform is given, which can correct any order of range migration. FOPEN UWB SAR has long integrated time. The plane and target moving in long time lead to complex range migration. To obtain high resolution imagery of moving target, General Key-Stone transform are applied to remove the range migration and realize multiple moving target data segment. Both General Key-Stone Transform and Clean Technique are applied in real data processing of FOPEN UWB SAR. The result shows that multiple moving targets in the trees are clearly detected and high resolution imagery is formed.

Citation Download Citation

Hanwei Guo, Diannong Liang, Yan Wan, Xiaotao Huang, and Zhen Dong "Moving target imaging using ultrawideband synthetic aperture radar", Proc. SPIE 5095, Algorithms for Synthetic Aperture Radar Imagery X, (12 September 2003); https://doi.org/10.1117/12.488665

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KEYWORDS

Synthetic aperture radar

Target detection

Roads

Signal detection

Doppler effect

Image processing

Detection and tracking algorithms

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