Unambiguous Signal Reconstruction Approach for SAR Imaging Using Frequency Diverse Array

The conflict between range and azimuth ambiguities is a challenging problem for spaceborne high-resolution and wide-swath (HRWS) synthetic aperture radar (SAR) imaging. In this letter, a novel ambiguity resolution approach based on frequency diverse array (FDA) is proposed to retrieve unambiguous si...

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Veröffentlicht in:	IEEE geoscience and remote sensing letters 2017-09, Vol.14 (9), p.1628-1632
Hauptverfasser:	Lin, Chenchen, Huang, Puming, Wang, Weiwei, Li, Yu, Xu, Jingwei
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Ambiguity Ambiguity resolution (mathematics) Azimuth Computer simulation Couplings Dependence Doppler effect Doppler sonar Echoes Frequency dependence Frequency diverse array (FDA) Frequency-domain analysis high-resolution and wide-swath (HRWS) Imaging techniques Radar Radar echoes Radar imaging range and azimuth ambiguities Resolution SAR (radar) Signal reconstruction Signal resolution Spaceborne radar Steering Synthetic aperture radar synthetic aperture radar (SAR) System effectiveness
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