Range ambiguity suppression in a synthetic aperture radar using pulse phase coding and two-pulse cancellation
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Remote Sensing"
DOI: 10.1080/01431161.2018.1460509
Abstract: ABSTRACT In the presence of range ambiguity, the synthetic aperture radar (SAR) systems suffer from image aliasing, which dramatically degrades the quality of SAR images. In this article, an easy-to-implement technique for range ambiguity suppression… read more here.
Keywords: two pulse; range; pulse cancellation; range ambiguity ... See more keywords
Simultaneous range ambiguity mitigation and sidelobe reduction using orthogonal non-linear frequency modulated (ONLFM) signals for satellite SAR Imaging
Sign Up to like & getrecommendations! Published in 2018 at "Remote Sensing Letters"
DOI: 10.1080/2150704x.2018.1486518
Abstract: ABSTRACT This letter first attempts to simultaneously reduce range ambiguities and sidelobes in spaceborne synthetic aperture radar (SAR). Two of the limitations of SAR are the range ambiguity phenomenon and the sidelobes effect. The range… read more here.
Keywords: frequency modulated; linear frequency; range ambiguity; range ... See more keywords
Azimuth Phase Coding by Up and Down Chirp Modulation for Range Ambiguity Suppression
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2944871
Abstract: High range ambiguity level will impair the spaceborne SAR image quality and hamper following SAR image applications. The range ambiguity suppression effect of the up and down chirp modulation on spaceborne SAR images is analyzed… read more here.
Keywords: ambiguity; chirp modulation; suppression; range ambiguity ... See more keywords
A 2-D Method Based on Nonlinear Frequency Modulation Waveform and Phase Coding for Range Ambiguity Suppression
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3233706
Abstract: Range ambiguity suppression is a key technical challenge for synthetic aperture radar (SAR) systems. Waveform diversity technology is a potential solution due to its low system complexity. In this letter, a 2-D method based on… read more here.
Keywords: range ambiguity; ambiguity; ambiguity suppression; method based ... See more keywords
An Advanced Scheme for Range Ambiguity Suppression of Spaceborne SAR Based on Blind Source Separation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3184709
Abstract: Due to the minimum antenna area constrain of synthetic aperture radar (SAR), high-resolution and wide-swath (HRWS) imaging is difficult to be achieved using classical modes, such as scan, spotlight, and so on. Range ambiguity is… read more here.
Keywords: blind source; range ambiguity; spaceborne sar; sar ... See more keywords
A Novel Transmitter-Interpulse Phase Coding MIMO-Radar for Range Ambiguity Separation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3221406
Abstract: The range ambiguity issue is a technical challenge in the radar community and has been widely discussed over the years. Researchers have given special attention to multiple-input multiple-output (MIMO) radar to address the range ambiguity… read more here.
Keywords: range ambiguity; transmitter; radar; mimo radar ... See more keywords