Method for determining accurately coordinates of a GPR antenna relative to a fixed reference
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United States of America Patent
Stats
-
Dec 30, 2003
Grant Date -
N/A
app pub date -
Nov 20, 2001
filing date -
Nov 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for determining accurately a coordinate of a transmitting/receiving antenna pair relative to a predetermined reference position. The method includes placing a transmitting antenna in proximity to a reflective strip, transmitting a first signal from the transmitting antenna and detecting a reflection of the first signal received from the reflective strip at the receiving antenna located at a fixed distance from the transmitting antenna. The method further comprises determining a coordinate of the antennas relative to the reflective strip based on a parameter of the reflection. The method may further comprise detecting a second signal received by the receiving antenna from a conductive strip located proximate to the reflective strip, and determining a second coordinate of the antennas based at least on a time difference between transmitting the first signal from the transmitting antenna and receiving the second signal at the receiving antenna.
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