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Via analyzing the characteristics of life sign, a novel method is proposed to detect multiple trapped victims by ultra-wideband radar in this letter. The signal-to-noise and clutter ratio (SNCR) is greatly improved. The non-static clutter can be removed effectively. The number, range position and respiratory frequency of life signs can be detected automatically and accurately in low SNCR environment...
The detection of micro-motion of human body such as respiration or heartbeat is an effective way to detect the life trapped in rubble. In this paper, the micro-motion of life is regarded as a moving target which can be detected by life detection algorithm and located by Ultra-wideband (UWB) radar imaging method based on Multiple-Input Multiple-Output (MIMO) system.
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