skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Wide band stepped frequency ground penetrating radar

Abstract

A wide band ground penetrating radar system is described embodying a method wherein a series of radio frequency signals is produced by a single radio frequency source and provided to a transmit antenna for transmission to a target and reflection therefrom to a receive antenna. A phase modulator modulates those portions of the radio frequency signals to be transmitted and the reflected modulated signal is combined in a mixer with the original radio frequency signal to produce a resultant signal which is demodulated to produce a series of direct current voltage signals, the envelope of which forms a cosine wave shaped plot which is processed by a Fast Fourier Transform Unit 44 into frequency domain data wherein the position of a preponderant frequency is indicative of distance to the target and magnitude is indicative of the signature of the target. 6 figs.

Inventors:
; ; ; ; ; ;
Issue Date:
Research Org.:
EG & G Energy Measurements Inc
OSTI Identifier:
203878
Patent Number(s):
5,499,029
Application Number:
PAN: 8-234,441
Assignee:
EG and G Energy Measurements, Inc., Las Vegas, NV (United States)
DOE Contract Number:  
AC08-83NV10282
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 12 Mar 1996
Country of Publication:
United States
Language:
English
Subject:
44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; RADAR; DESIGN; OPERATION; UNDERGROUND FACILITIES; DETECTION; RADIO EQUIPMENT; FREQUENCY MODULATION; RADIOWAVE RADIATION; SIGNAL CONDITIONING

Citation Formats

Bashforth, M B, Gardner, D, Patrick, D, Lewallen, T A, Nammath, S R, Painter, K D, and Vadnais, K G. Wide band stepped frequency ground penetrating radar. United States: N. p., 1996. Web.
Bashforth, M B, Gardner, D, Patrick, D, Lewallen, T A, Nammath, S R, Painter, K D, & Vadnais, K G. Wide band stepped frequency ground penetrating radar. United States.
Bashforth, M B, Gardner, D, Patrick, D, Lewallen, T A, Nammath, S R, Painter, K D, and Vadnais, K G. Tue . "Wide band stepped frequency ground penetrating radar". United States.
@article{osti_203878,
title = {Wide band stepped frequency ground penetrating radar},
author = {Bashforth, M B and Gardner, D and Patrick, D and Lewallen, T A and Nammath, S R and Painter, K D and Vadnais, K G},
abstractNote = {A wide band ground penetrating radar system is described embodying a method wherein a series of radio frequency signals is produced by a single radio frequency source and provided to a transmit antenna for transmission to a target and reflection therefrom to a receive antenna. A phase modulator modulates those portions of the radio frequency signals to be transmitted and the reflected modulated signal is combined in a mixer with the original radio frequency signal to produce a resultant signal which is demodulated to produce a series of direct current voltage signals, the envelope of which forms a cosine wave shaped plot which is processed by a Fast Fourier Transform Unit 44 into frequency domain data wherein the position of a preponderant frequency is indicative of distance to the target and magnitude is indicative of the signature of the target. 6 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {3}
}