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METHODS AND SYSTEMS FOR DETERMINING PHYSIOLOGICAL INFORMATION BASED ON THRESHOLD CROSSINGS OF AN AUTOCORRELATION SEQUENCE
专利权人:
Pirow Engelbrecht
发明人:
Pirow Engelbrecht,Fernando Rodriguez-Llorente,Nicholas James Wooder
申请号:
US13609431
公开号:
US20140073975A1
申请日:
2012.09.11
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A physiological monitoring system may process a physiological signal such a photoplethysmograph signal from a subject. The system may determine physiological information, such as a physiological rate, from the physiological signal. The system may use search techniques and qualification techniques to determine one or more initialization parameters. The initialization parameters may be used to calculate and qualify a physiological rate. The system may use signal conditioning to reduce noise in the physiological signal and to improve the determination of physiological information. The system may use qualification techniques to confirm determined physiological parameters. The system may also use autocorrelation techniques, cross-correlation techniques, fast start techniques, and/or reference waveforms when processing the physiological signal.
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中国工程科技知识中心
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