NDLI: Agile Digital Detector for RFI Mitigation

Content Provider	IEEE Xplore Digital Library
Author	Sidharth Misra Ruf, C. De Roo, R.
Copyright Year	2006
Description	Author affiliation: Atmos., Oceanic & Space Sci. Dept., Michigan Univ., Ann Arbor, MI (Sidharth Misra; Ruf, C.; De Roo, R.)
Abstract	A new type of microwave radiometer detector has been developed that is capable of identifying low level radio frequency interference (RFI) and of reducing or eliminating its effect on the measured brightness temperature. The agile digital detector (ADD) can discriminate between RFI and natural thermal emission signals by directly measuring other moments of the signal than the variance that is traditionally measured. ADD performance has been experimentally verified in two field deployments, one while connected to a ground based L-band radiometer operating near an ARSR-1 commercial air traffic control radar and the other while connected to an airborne C-band radiometer (the NOAA/ETL PSR) installed on a NASA WB-57 flying over major urban centers. The ADD digitizes its pre-detection radiometer signal, performs digital sub band filtering, and then measures the first four moments of the signal's probability density function for each sub band. The second central moment reproduces the square law output of a conventional analog detector. Algorithms that utilize higher order moments are used to detect the presence of RFI
Sponsorship	The Inst. of Electr. and Electron. Eng., Inc. IEEE Geoscience and Remote Sensing Soc. Nat. Aeronaut. and Space Adm. Nat. Oceanic and Atmos. Adm. Nat. Center for Atmos. Res. Int. Union of Radio Sci. Univ. of Puerto Rico at Mayaguez Colorado State Univ
Starting Page	66
Ending Page	69
File Size	264294
Page Count	4
File Format	PDF
ISBN	0780394178
DOI	10.1109/MICRAD.2006.1677064
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-02-28
Publisher Place	Puerto Rico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Detectors Brightness temperature Frequency measurement Microwave radiometry Air traffic control Microwave measurements L-band Radiofrequency interference Radiofrequency identification
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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