Elevation Resolution Enhancement Method Using Non-Ideal Linear Motion Error of Airborne Array TomoSAR Article Swipe
Ling Yang
,
Fubo Zhang
,
Zhuo Zhang
,
Longyong Chen
,
Dawei Wang
,
Yaqian Yang
,
Zhenhua Li
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/rs14122891
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/rs14122891
Airborne array tomographic synthetic aperture radar (TomoSAR) is a major breakthrough, which can obtain three-dimensional (3D) information of layover scenes in a single pass. As a high-resolution SAR, airborne array TomoSAR has considerable potential for 3D applications. However, the original TomoSAR elevation resolution is limited by the baseline and platform length. In this study, a novel method for enhancing the elevation resolution is proposed. First, the actual curve trajectory observation model of airborne array TomoSAR is established. Subsequently, multi-channel image data are substituted into the model to obtain the observation equation. Furthermore, the azimuth and elevation directions of the two-dimensional observation scene are modeled uniformly. The scene reconstruction is realized through the two-dimensional joint solution. Finally, the observation equation is sparsely solved according to the sparse distribution characteristics of the target to obtain the image. The performance of the proposed method is verified via simulation and real-data experiments. The experimental results indicate that, compared with the traditional elevation resolution enhancement method, the proposed method improves the elevation resolution by two times. The proposed method also provides a new thinking for high-resolution SAR 3D imaging.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/rs14122891
- https://www.mdpi.com/2072-4292/14/12/2891/pdf?version=1655446194
- OA Status
- gold
- Cited By
- 2
- References
- 40
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4283015281
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4283015281Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/rs14122891Digital Object Identifier
- Title
-
Elevation Resolution Enhancement Method Using Non-Ideal Linear Motion Error of Airborne Array TomoSARWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-06-16Full publication date if available
- Authors
-
Ling Yang, Fubo Zhang, Zhuo Zhang, Longyong Chen, Dawei Wang, Yaqian Yang, Zhenhua LiList of authors in order
- Landing page
-
https://doi.org/10.3390/rs14122891Publisher landing page
- PDF URL
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https://www.mdpi.com/2072-4292/14/12/2891/pdf?version=1655446194Direct 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/2072-4292/14/12/2891/pdf?version=1655446194Direct OA link when available
- Concepts
-
Elevation (ballistics), Azimuth, Synthetic aperture radar, Geology, Remote sensing, Computer science, Resolution (logic), Computer vision, Artificial intelligence, Optics, Mathematics, Physics, GeometryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
2Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1, 2023: 1Per-year citation counts (last 5 years)
- References (count)
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40Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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