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Systems, apparatuses and methods for adaptive noise reduction
专利权人:
Empatica Srl
发明人:
Ivan Cenci,Simone Tognetti
申请号:
US14688621
公开号:
US10134378B1
申请日:
2015.04.16
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An apparatus includes a sensor module configured for receiving sensed information indicative of a sensed signal. The sensed signal includes a source signal component and a source noise component. The apparatus also includes a reference module configured for reference information indicative of a reference signal. The reference signal also includes a reference noise component. The apparatus also includes a filter module configured as a fixed lag Kalman smoother. The filter module is configured for adaptively filtering the reference signal to generate an estimate of the source noise component. The apparatus also includes a processing module configured for calculating an output signal based on the sensed signal and the estimate of the source noise component. The apparatus also includes an interface module configured for transmitting an indication of the output signal. The filter module is further configured for, based on the output signal, tuning the Kalman smoother.
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