GSC Sentinel-2 PDGS STBD - emits - ESA

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GSC Sentinel-2 PDGS STBDIssue 1 Revision 2 (draft) - 25.07.2010GMES-GSEG-EOPG-TN-09-0031page v of vi3.3.2.1.2 Satellite Ancillary Telemetry Analysis: no parallelization..........................233.3.2.1.3 Datation: Parallelization by Band and by Detector ...................................243.3.2.1.4 LR extraction: Parallelization by Band, Detector and Along-TrackFragment..................................................................................................253.3.2.1.5 Level-0 Viewing Model Initialisation: Parallelization by Band and byDetector....................................................................................................253.3.2.1.6 PQL Processing: Parallelization by Band and by Along-Track Fragment.253.3.2.1.7 Preliminary Cloud Mask Processing: Parallelization by Detector andAlong-Track Fragment..............................................................................263.3.2.1.8 PQL Compression: Parallelization by Along-Track Fragment ..................263.3.2.2 Level-1 Processing...................................................................................263.3.2.2.1 Level-1 Viewing Model Initialisation: Parallelization by Band and Detector263.3.2.2.2 Decompression: Parallelization by Detector Band and Along-TrackFragment..................................................................................................263.3.2.2.3 Level-1A Radiometric Processing: Parallelisation by Detector and Along-Track Fragment........................................................................................273.3.2.2.4 Level-1A Compression: Parallelisation by Detector and Along-TrackFragment..................................................................................................273.3.2.2.5 Level-1B Radiometric Processing: Parallelisation by Detector and Along-Track Fragment........................................................................................273.3.2.2.6 Common Geometry Grid Computation: Parallelisation by Band andDetector....................................................................................................283.3.2.2.7 Resampling on Common Geometry Grid: Parallelization by Band and Blocof Target Image........................................................................................283.3.2.2.8 Tie Points Collection: Outer Parallelisation by Along-Track Fragment .....293.3.2.2.9 Tie Points Filtering: no parallelization.......................................................293.3.2.2.10 Spatiotriangulation: no parallelization.......................................................293.3.2.2.11 Level-1B Compression: Parallelisation by Detector and Along-TrackFragment..................................................................................................293.3.2.2.12 Level-1C Tiles Association: No parallelization..........................................293.3.2.2.13 Level-1C Resampling Grid Computation: Outer Parallelisation by Tile, byBand and by Detector...............................................................................303.3.2.2.14 Resampling on Level-1C Geometry: Parallelisation by Band and Bloc ofTarget Image............................................................................................303.3.2.2.15 Masks Computation: Outer Parallelisation by Tile....................................30ESA UNCLASSIFIED – For Official Use© ESAThe copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied orcommunicated to any third party without written permission from ESA.
GSC Sentinel-2 PDGS STBDIssue 1 Revision 2 (draft) - 25.07.2010GMES-GSEG-EOPG-TN-09-0031page vi of vi3.3.2.2.16 Level-1C Compression: Outer Parallelisation by Tile ...............................313.3.3 Summary of Processing Performance Scalability Figures........................313.4 PDGS Processing Resources Estimations...............................................343.4.1 Overview and Assumptions......................................................................343.4.2 Processing Resources Estimation............................................................353.4.3 Re-processing Resources Estimation ......................................................353.4.4 Processing Resources Estimation with Both Satellites.............................353.4.5 Scenario-0 Budget Estimations ................................................................363.4.5.1 Assumptions.............................................................................................363.4.5.2 Processing Budget for One Satellite.........................................................373.4.5.3 Processing Budget for Two Satellites.......................................................373.4.5.4 Re-processing Budget..............................................................................383.4.6 Scenario-1 Budget Estimations ................................................................383.4.6.1 Assumptions.............................................................................................383.4.6.2 Processing Budget for One Satellite.........................................................393.4.6.3 Processing Budget for Two Satellites.......................................................393.4.6.4 Re-processing Budget..............................................................................404 DATA VOLUMES ANALYSIS.....................................................................414.1 Assumptions.............................................................................................414.2 Reference Scenario for the Volumes Analysis .........................................414.3 Data Circulation Budget Estimations........................................................454.3.1 Data circulation impacts on the processing time allocation ......................464.4 Data Archiving Budget..............................................................................474.5 Volumes of Processing Data ....................................................................484.6 Data Dissemination Budget......................................................................505 HARDWARE ARCHITECTURE PRINCIPLES ...........................................526 CONCLUSION ............................................................................................54ESA UNCLASSIFIED – For Official Use© ESAThe copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied orcommunicated to any third party without written permission from ESA.
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