How we can sense heart beating using microwaves?
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In the awful event that you are trapped inside a collapsed building, the options you have for letting rescuers know that you're still alive are limited.
Hopefully rescue dogs will pick up your scent, or a keen-eared rescuer will hear your shouts through the rubble.
But now it could be your very heartbeat that saves your life.
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Simultaneously with the microwave system, a PC-based electrocardiograph is used in order to validate the heartbeat rate detection. Cardiopulmonary signals are processed using wavelet transforms in order to extract the heartbeat signal.
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