NASA-ISRO Synthetic Aperture Radar (NISAR) Mission

NISARis a multi-disciplinary Earth-observing radar mission that makes global measurements of land surface changes that will greatly improve Earth system models. NISAR data will clarify spatially and temporally complex phenomena, including ecosystem disturbances, ice sheet collapse, and natural hazar...

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Vydáno v:2020 IEEE Aerospace Conference s. 1 - 21
Hlavní autoři: Kellogg, Kent, Hoffman, Pamela, Standley, Shaun, Shaffer, Scott, Rosen, Paul, Edelstein, Wendy, Dunn, Charles, Baker, Charles, Barela, Phillip, Shen, Yuhsyen, Guerrero, Ana Maria, Xaypraseuth, Peter, Sagi, V Raju, Sreekantha, C V, Harinath, Nandini, Kumar, Raj, Bhan, Rakesh, Sarma, C. V. H. S.
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.03.2020
Témata:
Data processing
Satellite navigation systems
Satellites
Seismic measurements
Space missions
Space vehicles
Spaceborne radar
Synthetic aperture radar
Tsunami
Volcanoes
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Shrnutí:NISARis a multi-disciplinary Earth-observing radar mission that makes global measurements of land surface changes that will greatly improve Earth system models. NISAR data will clarify spatially and temporally complex phenomena, including ecosystem disturbances, ice sheet collapse, and natural hazards including earthquakes, tsunamis, volcanoes, and landslides. It provides societally relevant data that will enable better protection of life and property. The mission, a NASA-ISRO partnership, uses two fully polarimetric SARs, one at L-band (L-SAR) and one at S-band (S-SAR), in exact repeating orbits every 12 days that allows interferometric combination of data on repeated passes. NASA provides the L-SAR; a shared deployable reflector; an engineering payload that supports mission-specific data handling, navigation and communication functions; science observation planning and L-SAR data processing. ISRO provides the S-SAR, spacecraft, launch vehicle, satellite operations, and S-SAR data processing. The mission will be launched from the Satish Dhawan Space Centre, Sriharikota, India. Mission development has addressed many unique challenges and incorporates many "firsts" for a jointly-developed free-flyer radar science mission
DOI:10.1109/AERO47225.2020.9172638