Abstract
With the enhancement of society's concern for public safety, human locate system based on pyroelectric detectors is becoming a research focus. We design a low cost human body tracking system based on pyroelectric detectors scattered in the room. According to a huge number of experiment data, we design a high sensitive pyroelectric infrared node with a very high positioning accuracy. We also build an experiment system to collect muti-node experimental data to achieve the purpose of real time positioning with the positioning accuracy of 0.4 meters, which achieves the purpose of indoor positioning.
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