NDLI: A LightSAR mission design study for a NASA-sponsored joint commercial/science SAR remote sensing mission

Content Provider	IEEE Xplore Digital Library
Author	Cohen, D.A.
Copyright Year	1998
Description	Author affiliation: Vexel Corp., Boulder, CO, USA (Cohen, D.A.)
Abstract	The LightSAR program, sponsored by NASA/JPL, has as its goal the eventual design, launch, and operation of an Earth-orbiting SAR satellite. With advanced technologies to reduce cost and increase data quality, key requirements of the LightSAR concept are to satisfy both science and commercial data needs and to design a commercially viable remote sensing mission. Design studies were completed in late 1997. Leading one of the four study teams, Vexcel Corporation, together with Ball Aerospace, JPL, Earthwatch, Dornier, and SpaceTec, addressed all aspects of the end-to-end mission design. A unique feature of this program is the requirement that design considerations be driven by both the science and commercial user communities. As a result, a significant portion of the study consisted of the evaluation of NASA science requirements, and of commercial user requirements and the potential market for radar remote sensing data in the 2001 timeframe and beyond. A group of seven pilot projects were conducted with participation from a variety of industries including forestry, agribusiness, exploration, and engineering/construction. The final Vexcel LightSAR design concept is a product of these pilot studies, detailed market analysis, NASA science requirements, and technology development schedules. It includes system-level designs of both space and ground segments, including antenna, spacecraft, instrumentation, communications, and data processing and distribution. The design includes dual frequencies with quad-pol at L-band; a high-resolution mode with 3m or better resolution; sun-synchronous, polar orbit; an 11-day repeat cycle, orbit control to 250m and orbit knowledge to 10 cm.
Starting Page	253
Ending Page	255
File Size	313359
Page Count	3
File Format	PDF
ISBN	0780344030
DOI	10.1109/IGARSS.1998.702869
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-07-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	NASA Space technology Satellites Costs Remote sensing Radar remote sensing Construction industry Forestry Aerospace engineering Scheduling
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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