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Eigensubspace-Based Filtering With Application in Narrow-Band Interference Suppression for SAR

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4 Author(s)
Zhou, F. ; State Key Lab. for Radar Signal Process., Xidian Univ., Shaanxi ; Wu, R. ; Xing, M. ; Bao, Z.

Synthetic aperture radar (SAR) has found wide applications in many areas, e.g., battlefield awareness. However, SAR is vulnerable to various kinds of interference, among which narrow-band interference (NBI) is commonly used. In this letter, an eigensubspace-based filtering approach is proposed for NBI suppression in SAR without using passive-sniff data as the reference signal. Moreover, the proposed method can deal with smart or interrupted NBI. Both simulation and experimental results are provided to illustrate the performance of the proposed approach

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Geoscience and Remote Sensing Letters, IEEE  (Volume:4 ,  Issue: 1 )