A Channel-Adaptive Range-Doppler Domain Filtering Serial BAQ Algorithm and Comparative Analysis Article Swipe
Tao Jiang
,
Fubo Zhang
,
Yi Xie
,
Chengwei Zhang
,
Longyong Chen
,
Yihao Xu
,
Haibo Tang
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/rs17081344
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/rs17081344
With the growing demand for large-scale urban observation, multi-channel technology has become a cornerstone of high-resolution wide-swath SAR systems. The challenge of storing and transmitting the large data volumes generated by multi-channel systems has driven the development of advanced data compression techniques. However, in onboard implementations with non-power-of-two channel numbers and serial data formats, the existing multi-channel compression algorithms reveal significant conflicts involving channel counts, FFT cores, and the Krieger method. To address these issues, this paper introduces the Channel-Adaptive Range-Doppler domain filtering Serial Block Adaptive Quantization algorithm (CARDS-BAQ). By incorporating a point-frequency RD domain filtering approach and leveraging serial data matrix splicing and rollback combined with point-frequency ABAQ, CARDS-BAQ enables efficient data compression for arbitrary channel counts. The performance of CARDS-BAQ is validated using GF-3 measured data through comparative analysis with BAQ, ABAQ, MCBAQ, and 3MBAQ algorithms under power-of-two channel conditions. Additionally, its applicability and reliability for non-power-of-two channel numbers are demonstrated through payload flight experiments conducted in 2024 in Yingkou, Liaoning Province, China. CARDS-BAQ effectively supports data storage and transmission for large-scale urban observation, marking a significant advancement in remote sensing technology.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/rs17081344
- https://www.mdpi.com/2072-4292/17/8/1344/pdf?version=1744259564
- OA Status
- gold
- References
- 37
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4409290207
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4409290207Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/rs17081344Digital Object Identifier
- Title
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A Channel-Adaptive Range-Doppler Domain Filtering Serial BAQ Algorithm and Comparative AnalysisWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2025Year of publication
- Publication date
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2025-04-09Full publication date if available
- Authors
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Tao Jiang, Fubo Zhang, Yi Xie, Chengwei Zhang, Longyong Chen, Yihao Xu, Haibo TangList of authors in order
- Landing page
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https://doi.org/10.3390/rs17081344Publisher landing page
- PDF URL
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https://www.mdpi.com/2072-4292/17/8/1344/pdf?version=1744259564Direct link to full text PDF
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://www.mdpi.com/2072-4292/17/8/1344/pdf?version=1744259564Direct OA link when available
- Concepts
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Computer science, Algorithm, Range (aeronautics), Doppler effect, Channel (broadcasting), Remote sensing, Telecommunications, Geology, Physics, Engineering, Aerospace engineering, AstronomyTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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37Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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