NDLI: Broadband bistatic coherent and incoherent detection of buried objects beneath randomly rough surfaces

Content Provider	IEEE Xplore Digital Library
Author	O'Neill, K.
Copyright Year	1980
Abstract	This paper investigates the application of angular correlation function (ACF) processing for target detection when a metallic object beneath a randomly rough soil surface is sought by ground penetrating radar (GPR). ACF processing is an inherently coherent and multistatic approach. The author compares its results to those from candidate multistatic incoherent processing strategies. In 2D numerical simulations, the author assumes that the antennas are elevated above the soil surface, and that the only significant source of environmental randomness is the soil surface roughness. To expand the basis for the ACF, averaging is performed over both frequency and limited spatial shift. The author takes pains to use realistic GPR problem parameters, together with relevant and varied target geometries. Results are evaluated over an ensemble of geometrical realizations to gain some statistical picture of each method's behavior and performance. Under the parameter limitations applied, combined frequency and spatial averaging are required to produce recognizable ACF behavior. Contrary to expectations, the ACF processing performs best in the vicinity of the "memory line," not when it is avoided.
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	891
Ending Page	898
Page Count	8
File Size	147560
File Format	PDF
ISSN	01962892
Volume Number	38
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Soil Rough surfaces Surface roughness Ground penetrating radar Frequency Radar detection Object detection Numerical simulation Pain Geometry
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

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