基于改进FRACTA算法的多通道SAR动目标检测技术

吴迪; 朱岱寅; 朱兆达

doi:10.3724/SP.J.1146.2009.01218

基于改进FRACTA算法的多通道SAR动目标检测技术

doi: 10.3724/SP.J.1146.2009.01218

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出版历程
- 收稿日期: 2009-09-15
- 修回日期: 2010-03-05
- 刊出日期: 2010-09-19

Moving Target Detection for Multi-channel SAR Based on Improved FRACTA Algorithm

摘要

摘要: 该文针对实际非均匀杂波环境对多通道SAR/GMTI动目标检测性能的影响，提出了一种改进型FRACTA算法。该算法将STAP中的FRACTA算法引入多通道SAR系统中，并进行改进，提高了其在多通道SAR系统中的检测性能和运算速度。实测数据处理结果表明，与传统的检测方案相比，该文算法能够在非均匀环境中明显地提高检测性能，是一种非均匀环境中鲁棒的多通道SAR动目标检测算法。
- 合成孔径雷达 /
- 地面动目标指示 /
- FRACTA算法 /
- 恒虚警检测
Abstract: According to the performance loss of moving target detection for a multi-channel SAR/GMTI system caused by the heterogeneous clutter environments, this paper proposes a new improved FRACTA algorithm. It arises from the improvements of the FARCTA algorithm and is proved to be more effective and computationally efficient for a multi-channel SAR system. As is verified by experimental results, this algorithm greatly overperforms the traditional detection method and shows robust in heterogeneous environments.
- Synthetic Aperture Radar (SAR) /
- Ground Moving Target Indication (GMTI) /
- FRACTA algorithm /
- Constant False Alarm Rate (CFAR) detection

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