Motion Error Estimation and Compensation of Airborne Array Flexible SAR Based on Multi-Channel Interferometric Phase Article Swipe
Ling Yang
,
Fubo Zhang
,
Yihong Sun
,
Longyong Chen
,
Zhenhua Li
,
Dawei Wang
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/rs15030680
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/rs15030680
Airborne array synthetic aperture radar (SAR) has made a significant breakthrough in the three-dimensional resolution of traditional SAR. In the airborne array SAR 3D imaging technology, the baseline length is the main factor restricting the resolution. Airborne array flexible SAR can increase the baseline length to improve the resolution and interference performance by mounting antennae on the wing. The existing research lacks results obtained using flexible actual data processing and specific motion compensation methods. Thus, this paper proposes a motion error estimation and compensation method for an airborne array flexible SAR based on a multi-channel interferometric phase. Firstly, a flexible channel motion compensation model is established based on the multi-channel interference phase of airborne array flexible SAR. Then, based on the rigid multi-channel data, combined with the ground control points, the least square method, and the global optimal search algorithm, the accurate rigid baseline length and the central incidence angle are obtained. Finally, according to the multi-channel interference phase inversion of the flexible motion error and combined with the motion compensation model, the flexible data are compensated in the time domain. The actual results indicate that, compared with traditional motion compensation methods, our method can obtain accurate flexible compensation data. This study improves the interference performance of multi-channel data of airborne array flexible SAR and lays a solid foundation for the high-precision 3D reconstruction of airborne array flexible SAR.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/rs15030680
- https://www.mdpi.com/2072-4292/15/3/680/pdf?version=1674485751
- OA Status
- gold
- Cited By
- 3
- References
- 32
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4317886138
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4317886138Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/rs15030680Digital Object Identifier
- Title
-
Motion Error Estimation and Compensation of Airborne Array Flexible SAR Based on Multi-Channel Interferometric PhaseWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-01-23Full publication date if available
- Authors
-
Ling Yang, Fubo Zhang, Yihong Sun, Longyong Chen, Zhenhua Li, Dawei WangList of authors in order
- Landing page
-
https://doi.org/10.3390/rs15030680Publisher landing page
- PDF URL
-
https://www.mdpi.com/2072-4292/15/3/680/pdf?version=1674485751Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://www.mdpi.com/2072-4292/15/3/680/pdf?version=1674485751Direct OA link when available
- Concepts
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Motion compensation, Computer science, Synthetic aperture radar, Compensation (psychology), Channel (broadcasting), Interference (communication), Remote sensing, Interferometry, Computer vision, Geology, Telecommunications, Optics, Physics, Psychology, PsychoanalysisTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
3Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1, 2024: 1, 2023: 1Per-year citation counts (last 5 years)
- References (count)
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32Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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