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Ka-band SAR interferometry studies for the SWOT mission
2010
2010 IEEE International Geoscience and Remote Sensing Symposium
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SWOT implements two Synthetic Aperture Radar (SAR) antennas (illustrated in the figure below), each one providing two separate beams at Ka-band (35.7 GHz). ...
Radar altimetry has been a major achievement in the study of the Earth. ...
ACKNOWLEDGMENT The research presented in the paper was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautic and Space Administration ...
doi:10.1109/igarss.2010.5652302
dblp:conf/igarss/Esteban-FernandezFRBH10
fatcat:dlsrqdqvr5hkfbf7o334shlsry
KaRIn - the Ka-band radar interferometer on SWOT: Measurement principle, processing and data specificities
2010
2010 IEEE International Geoscience and Remote Sensing Symposium
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SPECIFICITIES OF KARIN DATA
Ka-band SAR imaging and interferometry The smaller wavelength of Ka-band SAR (about 8 mm) compared to X-and C-band implies that: • less surfaces appear smooth, implying less ...
bistatic interferometry: as an illustration, a 10 m mast yields sufficient antenna separation for KaRIn, whereas a 60 m mast was needed for the SRTM mission (C-and X-band). ...
doi:10.1109/igarss.2010.5650601
dblp:conf/igarss/FjortoftGPLMSRKDOA10
fatcat:sydtt6wwubhx7gnccfkuert72i
Fine-scale Altimetry and the Future SWOT Mission
[chapter]
2018
New Frontiers in Operational Oceanography
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We present the advantages of the measurement techniques in conventional Ku-band (Jason) and Ka-band (Saral), and in global SAR mode . ...
We present the SWOT SAR-interferometry technique, as well as the mission's sampling characteristics and error budget. ...
In this first section, we detail some of the characteristics and advances of the most recent LRM missions in Ku-and Ka-band, as well as their differences from the SAR along-track missions. ...
doi:10.17125/gov2018.ch08
fatcat:eod7oxlnivhajliqb42u7gxw6e
The SWOT Mission and Its Capabilities for Land Hydrology
2015
Surveys in geophysics
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After a description of the SWOT mission requirements and measurement capabilities, we review the SWOT-related studies concerning land hydrology published to date. ...
Beginning in 2007, studies demonstrated the benefits of SWOT data for river hydrology, both through discharge estimation directly from SWOT measurements and through assimilation of SWOT data into hydrodynamic ...
Acknowledgments S.B. acknowledges funding from the CNES Terre-Océan-Surfaces Continentales-Atmosphère (TOSCA) committee for the SWOT Science Definition Team. ...
doi:10.1007/s10712-015-9346-y
fatcat:i7apzvn6v5eqpkeeb55wcascia
Toward a High-Resolution Monitoring of Continental Surface Water Extent and Dynamics, at Global Scale: from GIEMS (Global Inundation Extent from Multi-Satellites) to SWOT (Surface Water Ocean Topography)
[chapter]
2016
Space Sciences Series of ISSI
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This work bridges the gaps and prepares for the future NASA/CNES Surface Water Ocean Topography (SWOT) mission to be launched in 2020. ...
SWOT will delineate surface water extent estimates and their water storage with an unprecedented spatial resolution and accuracy, thanks to a SAR in an interferometry mode. ...
The downscaling of GIEMS has been partly financed by CNES, in the framework of the SWOT mission preparation, with the support of Selma Cherchali and Jean-Francois Crétaux. ...
doi:10.1007/978-3-319-32449-4_7
fatcat:harkpp2qxzf5bkcbld53kz6r4q
Toward a High-Resolution Monitoring of Continental Surface Water Extent and Dynamics, at Global Scale: from GIEMS (Global Inundation Extent from Multi-Satellites) to SWOT (Surface Water Ocean Topography)
2015
Surveys in geophysics
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This work bridges the gaps and prepares for the future NASA/CNES Surface Water Ocean Topography (SWOT) mission to be launched in 2020. ...
SWOT will delineate surface water extent estimates and their water storage with an unprecedented spatial resolution and accuracy, thanks to a SAR in an interferometry mode. ...
The downscaling of GIEMS has been partly financed by CNES, in the framework of the SWOT mission preparation, with the support of Selma Cherchali and Jean-Francois Crétaux. ...
doi:10.1007/s10712-015-9339-x
fatcat:l7oh5x2wgbea7a7hldx36zoql4
An Analytical Method for Dynamic Wave-Related Errors of Interferometric SAR Ocean Altimetry under Multiple Sea States
2021
Remote Sensing
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The RMSEs of Ka-band under low sea state, moderate sea state, and high sea state are 0.2670, 1.3154, and 6.6361 cm, respectively. ...
This study proposes an analytical method for the dynamic wave-related errors of InSAR SSH measurement based on the wave spectrum and electromagnetic scattering model. ...
As is well known, the SWOT project proposed Ka-band for interferometry [38] ; however, the InIRA on the Tiangong II laboratory adopts Ku-band antennas [50] . ...
doi:10.3390/rs13050986
fatcat:wn6rdrhrpjba7f444if4zg4m7i
Small-Satellite Synthetic Aperture Radar for Continuous Global Biospheric Monitoring: A Review
2020
Remote Sensing
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Radar instruments are less affected by daylight or weather conditions than optical counterparts, suitable for continually monitoring the global biosphere. ...
The current trends in synthetic aperture radar (SAR) platform design are distinct from traditional approaches in that miniaturized satellites carrying SAR are launched in multiples to form a SAR constellation ...
Acknowledgments: The first author appreciates helpful discussions with Keejoo Lee at the Korea Aerospace Research Institute.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs12162546
fatcat:pp2vuipuaza65hmjvv45za3a6y
Ocean Measurements from Space in 2025
2010
Oceanography
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AsFigure 3shows, SWOT will carry two SAR interferometry antennae operating at Ka-band, providing raw resolution of 2 m (along track) x 10-70 m (cross track). ...
To achieve this higher rate, we can fly several (three or more) SWOT-type satel-
Figure 3 . 3 The Surface water ocean Topography (SwoT) mission uses an altimeter with radar interferometry to resolve ...
doi:10.5670/oceanog.2010.12
fatcat:vvdbyzp7jfc65odkgwtjgbvrne
Concept Design of the "Guanlan" Science Mission: China's Novel Contribution to Space Oceanography
2019
Frontiers in Marine Science
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As an expanded follow-up of SWOT and an oceanic counterpart of CALIPSO, the planned "Guanlan" science mission comprises a dual-frequency (Ku and Ka) interferometric altimetry (IA), and a near-nadir pointing ...
It is therefore the vision of the National Laboratory for Marine Science and Technology of China that two highly anticipated breakthroughs in the coming decade are likely to be associated with radar interferometry ...
This research was supported by the Qingdao National Laboratory for Marine Science and Technology of China under grants numbers 2018SDKJ102 and 2015ASTP-OS15. ...
doi:10.3389/fmars.2019.00194
fatcat:edvx6peqrvbbpl4ajkvmclxofu
Satellite Remote Sensing Missions for Monitoring Water, Carbon, and Global Climate Change [Scanning the Issue]
2010
Proceedings of the IEEE
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the core technology for SWOT. ...
In the paper by Durand et al., the authors present the hydrology and oceanography science questions and requirements that the mission will address and describe the Ka-band radar interferometer that is ...
Pecora Award (NASA and Dept. of Interior) for outstanding contributions toward understanding the Earth by means of remote sensing and the AGU Hydrologic Sciences Award for outstanding contributions to ...
doi:10.1109/jproc.2010.2044851
fatcat:akiv45qscnbt3pchx2ulxxn7la
Index
[chapter]
2021
Earth Observation for Flood Applications
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See Surface Water and Ocean Topography (SWOT) satellite mission Synthetic aperture radar (SAR), 177, 308, 328 SAR-based flood mapping software HASARD, 310f SAR imagery, 85 SAR interferometry, 64 synthetic ...
site annual hydrographs, 353f
uses the Ka-band channel to alleviate, 348
versions 3.4 to the current 3.8 uses source
data processed at, 354
version 3 online satellite gauging sites,
349f
River width ...
doi:10.1016/b978-0-12-819412-6.00021-3
fatcat:a7v6p3ku3jbdtf5awcluvleqby
Front Matter: Volume 7826
2010
Sensors, Systems, and Next-Generation Satellites XIV
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Publication of record for individual papers is online in the SPIE Digital Library. ...
European Facility for Airborne Research, becomes 10 [7826-95] I. ...
(United States) 7826 16 KaRIn on SWOT: modeling and simulation of near-nadir Ka-band interferometric SAR images [7826-38] R. Fjørtoft, Ctr. National d'Études Spatiales (France); F. Koudogbo, J. ...
doi:10.1117/12.882449
fatcat:kmcy7strjvau7l3fuxtkxzv2vm
The SWOT Mission and Its Capabilities for Land Hydrology
[chapter]
2016
Space Sciences Series of ISSI
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based on synthetic aperture 74 radar (SAR) interferometry, called Water and Terrestrial Elevation Recovery (WATER). ...
To adapt this concept to the needs of continental water surface 88 observation, Alsdorf et al. (2007) proposed to use Ka-band instead of Ku-band, allowing better 89 4 spatial resolution (see section 1.2 ...
As shown on Figure 3, most of 810
For example, better 822 characterization of Ka-band backscatter over snow and ice is needed (this also has implications for 823 observations of high latitude rivers ...
doi:10.1007/978-3-319-32449-4_6
fatcat:id24d3wd6ffcbhkll5ijf7oyou
Conceptual development of the DESDynI mission
2012
2012 IEEE Aerospace Conference
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The high value of Radar and Lidar data for understanding climate change and earth dynamics led to the prioritization of the Deformation, Ecosystem Structure and Dynamics of Ice (DESDynI) mission as Tier ...
However, cuts in the proposed FY2012 budget forced a reset of the Radar mission and eliminated the Lidar sciencecraft. ...
The DESDynI study could return up to 40 Tbits of radar data each day if the on board telecom system upgrade to 1Gbps Ka band downlink is carried out. ...
doi:10.1109/aero.2012.6187024
fatcat:yvxpqodiq5bkln7wiowkurc45u
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