NDLI: Synthetic aperture radar imagery of airports and surrounding areas: study of clutter at grazing angles and their polarimetric properties

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Synthetic aperture radar imagery of airports and surrounding areas: study of clutter at grazing angles and their polarimetric properties

Content Provider	NASA Technical Reports Server (NTRS)
Author	Onstott, Robert G. Gineris, Denise J. Clinthorne, James T.
Copyright Year	1991
Description	The statistical description of ground clutter at an airport and in the surrounding area is addressed. These data are being utilized in a program to detect microbursts. Synthetic aperture radar data were collected at the Denver Stapleton Airport. Mountain terrain data were examined to determine if they may potentially contribute to range ambiguity problems and degrade microburst detection. Results suggest that mountain clutter may not present a special problem source. The examination of clutter at small grazing angles was continued by examining data collected at especially low altitudes. Cultural objects such as buildings produce strong sources of backscatter at angles of about 85 deg, with responses of 30 dB to 60 dB above the background. Otherwise there are a few sources which produce significant scatter. The polarization properties of hydrospheres and clutter were examined with the intent of determining the optimum polarization. This polarization was determined to be dependent upon the ratio of VV and HH polarizations of both rain and ground clutter.
File Size	9217488
Page Count	218
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910022774
Archival Resource Key	ark:/13960/t6tx87k93
Language	English
Publisher Date	1991-10-01
Access Restriction	Open
Subject Keyword	Air Transportation And Safety Microbursts Meteorology Polarization Characteristics Radar Data Buildings Backscattering Airports Grazing Clutter Radar Imagery Mountains Rain Terrain Low Altitude Ground Effect Communications Synthetic Aperture Radar Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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