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Demonstration of radar reflector detection and ground clutter suppression using airborne weather and mapping radarA navigation system which utilizes minimum ground-based equipment is especially advantageous to helicopters, which can make off-airport landings. Research has been conducted in the use of weather and mapping radar to detect large radar reflectors overland for navigation purposes. As initial studies have not been successful, investigations were conducted regarding a new concept for the detection of ground-based radar reflectors and eliminating ground clutter, using a device called an echo processor (EP). A description is presented of the problems associated with detecting radar reflectors overland, taking into account the EP concept and the results of ground- and flight-test investigations. The echo processor concept was successfully demonstrated in detecting radar reflectors overland in a high-clutter environment. A radar reflector target size of 55 dBsm was found to be adequate for detection in an urban environment.
Document ID
19820056997
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Anderson, D. J.
(NASA Ames Research Center Moffett Field, CA, United States)
Bull, J. S.
(NASA Ames Research Center Moffett Field, CA, United States)
Chisholm, J. P.
(Nevada, University Reno, NV, United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1982
Subject Category
Aircraft Communications And Navigation
Meeting Information
Meeting: Annual Forum
Location: Anaheim, CA
Start Date: May 4, 1982
End Date: May 7, 1982
Sponsors: American Helicopter Society
Accession Number
82A40532
Distribution Limits
Public
Copyright
Other

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