NDLI: Analysis of Sentinel-1A FDBAQ after commissioning phase

Content Provider	IEEE Xplore Digital Library
Author	Guccione, P. Belotti, M. Giudici, D. Guarnieri, A.M. Bertoni, R. Bibby, D. Navas-Traver, I.
Copyright Year	2015
Description	Author affiliation: ESA-ESTEC, Noordwijk, Netherlands (Bertoni, R.; Bibby, D.; Navas-Traver, I.) \|\| Dept. of Electron. & Inf. Eng., Politec. di Milano, Milan, Italy (Guarnieri, A.M.) \|\| Aresys srl, Milan, Italy (Belotti, M.; Giudici, D.) \|\| Dept. of Electr. & Inf. Eng., Politec. di Bari, Bari, Italy (Guccione, P.)
Abstract	This paper concerns the performance of the Flexible Dynamic Block Adaptive Quantizer (FDBAQ), the on-board data compression scheme used by Sentinel-1A (S-1), the C-band Synthetic Aperture Radar (SAR) system for Earth Observation launched on 3rd April 2014. FDBAQ has been designed to deal with the high instrument data rate due to the high spatial resolution and large swath width. S-1 SAR is able to acquire long data take, corresponding to large volumes of data stored on-board. Since FD-BAQ has been implemented for the first time on S-1, the capabilities of such a compression scheme have not been tested on real data before. The purpose of this paper is to present the results of the analysis of real acquisitions acquired after the end of the Commissioning Phase, so in its full efficiency. FDBAQ is compared with the traditional Block Adaptive Quantizer (BAQ) compression scheme in terms of quantization noise level, average bit rate and signal to noise ratio.
Starting Page	794
Ending Page	797
File Size	347140
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7325884
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bit rate Quantization (signal) Signal to noise ratio Synthetic aperture radar Backscatter Image quality Sentinel 1 Flexible Dynamic BAQ SAR
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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