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    • 2. 发明授权
    • System and method for improving signal to noise ratio for high frequency signal component
    • 用于提高高频信号分量信噪比的系统和方法
    • US09294121B2
    • 2016-03-22
    • US14370509
    • 2012-01-06
    • Derek Yong QinDavid Christopher MaurerClifford Mark Risher-Kelly
    • Derek Yong QinDavid Christopher MaurerClifford Mark Risher-Kelly
    • G01N33/48G01N33/50H03M3/00A61B5/00A61B5/0428H03G3/00G06F19/00
    • H03M3/49A61B5/0428A61B5/7217F04C2270/0421G06F19/00G16H40/63H03G3/001H03M3/44H03M3/486
    • An apparatus and method for improving signal to noise ratio of a physiological signal is provided. At least one sensor senses the analog data signal, the analog data signal having a first component including ECG data and a second component including ancillary data. A converter is coupled to the at least one sensor that automatically converts the analog data signal into a digital data signal and decimates the digital data signal from a first sample rate to a second sample rate. A gain compensation circuit is coupled to the converter that automatically measures a magnitude of at least one of the first component and second component of the digital data signal and compares the measured magnitude to a reference value to determine if a gain applied to the analog data signal should be modified and automatically compensates the digital data signal in response to the determination that the analog gain value should be modified, wherein the compensated digital data signal corrects defects associated with a settling period of the converter resulting from modifying the gain applied to the analog data signal.
    • 提供了一种用于提高生理信号的信噪比的装置和方法。 至少一个传感器感测模拟数据信号,模拟数据信号具有包括ECG数据的第一分量和包括辅助数据的第二分量。 A转换器耦合到至少一个传感器,其自动将模拟数据信号转换成数字数据信号,并将数字数据信号从第一采样率抽取到第二采样率。 增益补偿电路耦合到转换器,其自动测量数字数据信号的第一分量和第二分量中的至少一个的幅度,并将测量的幅度与参考值进行比较,以确定施加到模拟数据信号的增益 应该被修改并且响应于应该修改模拟增益值的确定自动地补偿数字数据信号,其中补偿的数字数据信号校正与通过修改应用于模拟数据的增益的转换器的稳定周期相关联的缺陷 信号。
    • 4. 发明申请
    • System and Method for Improving Signal to Noise Ratio for High Frequency Signal Component
    • 用于提高高频信号分量信噪比的系统和方法
    • US20140336948A1
    • 2014-11-13
    • US14370509
    • 2012-01-06
    • Derek Yong QinDavid Christopher MaurerClifford Mark Risher-Kelly
    • Derek Yong QinDavid Christopher MaurerClifford Mark Risher-Kelly
    • H03M3/00G06F19/00
    • H03M3/49A61B5/0428A61B5/7217F04C2270/0421G06F19/00G16H40/63H03G3/001H03M3/44H03M3/486
    • An apparatus and method for improving signal to noise ratio of a physiological signal is provided. At least one sensor senses the analog data signal, the analog data signal having a first component including ECG data and a second component including ancillary data. A converter is coupled to the at least one sensor that automatically converts the analog data signal into a digital data signal and decimates the digital data signal from a first sample rate to a second sample rate. A gain compensation circuit is coupled to the converter that automatically measures a magnitude of at least one of the first component and second component of the digital data signal and compares the measured magnitude to a reference value to determine if a gain applied to the analog data signal should be modified and automatically compensates the digital data signal in response to the determination that the analog gain value should be modified, wherein the compensated digital data signal corrects defects associated with a settling period of the converter resulting from modifying the gain applied to the analog data signal.
    • 提供了一种用于提高生理信号的信噪比的装置和方法。 至少一个传感器感测模拟数据信号,模拟数据信号具有包括ECG数据的第一分量和包括辅助数据的第二分量。 A转换器耦合到至少一个传感器,其自动将模拟数据信号转换成数字数据信号,并将数字数据信号从第一采样率抽取到第二采样率。 增益补偿电路耦合到转换器,其自动测量数字数据信号的第一分量和第二分量中的至少一个的幅度,并将测量的幅度与参考值进行比较,以确定施加到模拟数据信号的增益 应该被修改并且响应于应该修改模拟增益值的确定自动地补偿数字数据信号,其中补偿的数字数据信号校正与通过修改应用于模拟数据的增益的转换器的稳定周期相关联的缺陷 信号。