The prototype technology, called Finding Individuals for Disaster and Emergency Response (FINDER) can locate individuals buried as deep as 30 feet in crushed materials, hidden behind 20 feet of solid concrete, and from a distance of 100 feet in open spaces.
FINDER is based on remote-sensing radar technology developed by
"FINDER is bringing
The technology works by beaming microwave radar signals into the piles of debris and analyzing the patterns of signals that bounce back.
"Detecting small motions from the victim's heartbeat and breathing from a distance uses the same kind of signal processing as detecting the small changes in motion of spacecraft like Cassini as it orbits Saturn," said
In disaster scenarios, the use of radar signals can be particularly complex. Earthquakes and tornadoes produce twisted and shattered wreckage, such that any radar signals bouncing back from these piles are tangled and hard to decipher. JPL's expertise in data processing helped with this challenge. Advanced algorithms isolate the tiny signals from a person's moving chest by filtering out other signals, such as those from moving trees and animals. (ANI)
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