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- W4229453452 abstract "In order to improve the signal-to-noise ratio of ultra-wideband radar life detection echo signals, analyze the causes and types of ultra-wideband radar signal noise, build echo signal models in real measurement environments, and study various mechanisms for dealing with noise. Taking a human body with vital signs as an example, the radar signal echoes at a distance of 1m, 2m and 4m from the radar are tested, the radar signal waves are obtained, and the noise is targeted according to the type of clutter. The results show that the useless signal in the original echo matrix signal is reduced and the signal-to-noise ratio is improved. The local normalization method and automatic gain control method are used to automatically enhance the processed signal strengthened before." @default.
- W4229453452 created "2022-05-11" @default.
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- W4229453452 date "2022-05-09" @default.
- W4229453452 modified "2023-09-24" @default.
- W4229453452 title "Research on preprocessing method of UWB radar life detection signal" @default.
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- W4229453452 doi "https://doi.org/10.1117/12.2640270" @default.
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