Location method and system for detecting movement within a building

作者: Eric D. Kelley

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摘要: A system for detecting and tracking movement within a building has plurality of portable microwave detector units deploying outside the walls building. Each unit module transmitting microwaves through into monitored area radiation reflected back to from area, an output device alarm signal if shift is detected in frequency, indicating area. receiver receives signals produces each currently provide user with information on location any

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