NDLI: Over-the-horizon radar sensitivity enhancement by impulsive noise excision

Content Provider	IEEE Xplore Digital Library
Author	Barnum, J.R. Simpson, E.E.
Copyright Year	1997
Description	Author affiliation: SRI Int., Menlo Park, CA, USA (Barnum, J.R.)
Abstract	This paper describes a signal processing algorithm that increases radar sensitivity by as much as 20 dB, after excising noise impulses, such as those caused by lightning, from the temporal data stream at the receiver output. The work was performed at the California-based Wide Aperture Research Facility (WARF) high-frequency (HF) over-the-horizon radar (OTHR) for enhancement of the U.S. Navy relocatable OTHR (ROTHR) (AN/TPS-71). The key to the algorithm's success is the removal of clutter from the Doppler domain prior to inverse transforming to the time domain for the purpose of impulsive noise detection and removal. The impulsive noise excision (INE) methodology is straightforward, and should have application to various communication systems and Doppler radars that operate at other radio frequencies.
Starting Page	252
Ending Page	256
File Size	537229
Page Count	5
File Format	PDF
ISBN	078033731X
DOI	10.1109/NRC.1997.588315
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-13
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lightning Aircraft Working environment noise Noise generators Target tracking Radar signal processing Signal processing algorithms Doppler radar Radar detection Ionization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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
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