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An ultra-wideband radar life detector, the "black box" in the middle, was placed on ruins with rubble and concrete at an earthquake rescue training site. /CCTEG
A new ultra-wideband radar life detector, which can be used for searching buried survivors, has passed field tests, the Science and Technology Daily reported on Friday.
The detector can sense survivors' life signals, like breathing and heartbeat, in several minutes in centimeter-level resolution within a distance of 30 meters, said Qi Qingjie, chief scientist with the detector's developer China Coal Technology and Engineering Group (CCTEG).
Its detection signal can penetrate non-metallic materials, such as a brick wall, a wood panel, concrete and soil, and can be applied in rescue efforts after earthquakes, geological disasters and landslide accidents, according to Qi.
The research and development team conducted life signal detection and positioning tests on subjects under various post-disaster simulation scenarios, such as high-rise building collapse and earthquake ruins, and also verified the detection duration, positioning distance and its accuracy.
(With input from Xinhua)
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