NDLI: Synthetic aperture radar imagery of airports and surrounding areas: philadelphia airport

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Synthetic aperture radar imagery of airports and surrounding areas: philadelphia airport

Content Provider	NASA Technical Reports Server (NTRS)
Author	Onstott, Robert G. Gineris, Denise J.
Copyright Year	1990
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 (SAR) data were collected at the Philadelphia Airport. These data and the results of the clutter study are described. This 13 km x 10 km scene was imaged at 9.38 GHz and HH-polarization and contained airport grounds and facilities (6 percent), industrial (14 percent), residential (14 percent), fields (10 percent), forest (8 percent), and water (33 percent). Incidence angles ranged from 40 to 84 deg. Even at the smallest incidence angles, the distributed targets such as forest, fields, water, and residential rarely had mean scattering coefficients greater than -10 dB. Eighty-seven percent of the image had scattering coefficients less than -17.5 dB. About 1 percent of the scattering coefficients exceeded 0 dB, with about 0.1 percent above 10 dB. Sources which produced the largest cross sections were largely confined to the airport grounds and areas highly industrialized. The largest cross sections were produced by observing broadside large buildings surrounded by smooth surfaces.
File Size	2999224
Page Count	114
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900009056
Archival Resource Key	ark:/13960/t20c9vj5g
Language	English
Publisher Date	1990-03-01
Access Restriction	Open
Subject Keyword	Air Transportation And Safety Water Forests Statistical Analysis Environmental Quality Microbursts Meteorology Radar Data Backscattering Scattering Coefficients Airports Clutter Radar Imagery 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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