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Proceedings Paper

Innovative GPR for pavement inspection
Author(s): Rexford M. Morey
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Paper Abstract

A new ground penetrating radar system was built using a controllable variable pulse-width transmitter and a new antenna design. The transmitter generates monocycle pulses with pulse widths that are continuously variable from 0.5 to 2 nanoseconds; thus, the center frequency of the pulse spectrum is variable from 500 to 2000 MHz. The antenna is relatively small and light weight and operates in both the air-coupled and ground-coupled mode. The complete prototype system, including radar control unit, antenna unit, lap-top computer, battery, and back-pack, weighs 65 pounds, is portable and easily usable by one person.

Paper Details

Date Published: 1 February 1999
PDF: 10 pages
Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); doi: 10.1117/12.339925
Show Author Affiliations
Rexford M. Morey, Lawrence Livermore National Lab. (United States)

Published in SPIE Proceedings Vol. 3587:
Nondestructive Evaluation of Bridges and Highways III
Steven B. Chase, Editor(s)

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