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Car drivers' sudden illness cause serious traffic accident. In Japan, it is reported by a medical doctor that the most of the illness causing serious traffic accident is induced by heart abnormalities. This situation is concerned along with coming aging society. Non-contact monitoring using a Doppler sensor is one of the attractive solutions for this matter since there is no need to put sensors on...
The abstract goes here. Doppler sensors are recently considered as an attractive tool for remotely measuring heartbeats and breathing. We have considered a sophisticated method based on blind signal processing to cope with the detection and parameter estimation for multiple signals applicable to the simultaneous measurement of multiple persons under noisy environment[1]. However, on that way, we found...
This paper proposes a new approach for the parameter estimation of the randomly-phase varying multiple periodic signals. The phase-varying multiple signal is often observed in digital communication signals. The proposed method enables us to blindly and jointly estimate the period, the number of sources (NOS) and the fundamental waveform, for each of the multiple signals. The performance is verified...
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