System and method for intrusion detection using a time domain radar array
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United States of America Patent
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-
Jun 4, 2002
Grant Date -
Nov 1, 2001
app pub date -
Jan 23, 2001
filing date -
Jun 14, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for highly selective intrusion detection using a sparse array of time modulated ultra wideband (TM-UWB) radars. Two or more TM-UWB radars are arranged in a sparse array around the perimeter of a building. Each TM-UWB radar transmits ultra wideband pulses that illuminate the building and the surrounding area. Signal return data is processed to determine, among other things, whether an alarm condition has been triggered. High resolution radar images are formed that give an accurate picture of the inside of the building and the surrounding area. This image is used to detect motion in a highly selective manner and to track moving objects within the building and the surrounding area. Motion can be distinguished based on criteria appropriate to the environment in which the intrusion detection system operates.
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