NDLI: NASA/JPL airborne three-frequency polarimetric/interferometric SAR system

Content Provider	IEEE Xplore Digital Library
Author	Kim, Y. Lou, Y. van Zyl, J. Maldonado, L. Miller, T. Sato, T. Skotnicki, W.
Copyright Year	1996
Description	Author affiliation: Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA (Kim, Y.; Lou, Y.; van Zyl, J.; Maldonado, L.; Miller, T.; Sato, T.; Skotnicki, W.)
Abstract	The NASA/JPL airborne SAR system (popularly known as "AIRSAR") has been flown aboard the NASA Ames Research Center DC-8 since 1987. AIRSAR is a three frequency (P-, L-, and C-bands) polarimetric radar with the interferometric capability. Modes of operation are possible with the AIRSAR system, it has three basic operational modes (polarimetric, across track interferometry, and along track interferometry). The AIRSAR hardware consists of RFE (RF Electronics), digital electronics, antenna, control computer, on-board processor, and power distribution subsystems. A single DCG (Digital Chirp Generator) generates the chirp waveform and it is up-converted to L-band. Subsequent up- and down- conversions produce C- and P- band chirp signals, respectively. The return echo is amplified by LNA (Low Noise Amplifier) and digitized by 8-bit ADC (Analog-to-Digital Converter). The digital data from six channels are multiplexed and stored on tape using the high density digital recorder. During the AIRSAR mission, a real time correlator produces low resolution imagery to assess the general health of the radar and to verify that the correct area has been imaged. Data processing to produce high quality image products happens in the weeks and months following a flight campaign after proper calibration parameters are generated. The current integrated processor can process both polarimetric and interferometric data. The authors present detailed mission description, hardware configuration, and data processing.
Starting Page	1612
Ending Page	1614
File Size	272448
Page Count	3
File Format	PDF
ISBN	0780330684
DOI	10.1109/IGARSS.1996.516747
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-05-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	NASA Chirp Radar polarimetry Radar tracking Interferometry Hardware Data processing Radar antennas Radio frequency Digital control
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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