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    • 27. 发明申请
    • Methods and Apparatus for Determining Properties of a Fluid
    • 用于确定流体性质的方法和装置
    • US20070204679A1
    • 2007-09-06
    • US11748155
    • 2007-05-14
    • Eric FitchStuart Wenzel
    • Eric FitchStuart Wenzel
    • G01N11/00G01N9/00G01N29/036
    • G01N11/16G01N9/002
    • A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteristic associated with the second state, and determining the property of the fluid by comparing the characteristic with a function that associates a plurality of properties with a corresponding plurality of characteristics. The characteristic can include a maximum phase slope, a phase slope associated with a resonant frequency, a maximum magnitude associated with the resonant frequency, the value of the resonant frequency, or any combination thereof.
    • 一种用于确定流体性质的方法和系统包括将流体与处于第一状态的驻波相互作用以在第二状态下建立驻波,分析与驻波相关联的电信号以确定与第二状态相关的特性 并且通过将特征与将多个属性与相应的多个特征相关联的函数进行比较来确定流体的属性。 该特性可以包括最大相位斜率,与谐振频率相关联的相位斜率,与谐振频率相关联的最大幅度,谐振频率的值或其任何组合。
    • 28. 发明授权
    • Methods and apparatus for determining properties of a fluid
    • 用于确定流体性质的方法和装置
    • US07263874B2
    • 2007-09-04
    • US11148156
    • 2005-06-08
    • Eric FitchStuart Wenzel
    • Eric FitchStuart Wenzel
    • G01N11/10
    • G01N11/16G01N9/002
    • A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteristic associated with the second state, and determining the property of the fluid by comparing the characteristic with a function that associates a plurality of properties with a corresponding plurality of characteristics. The characteristic can include a maximum phase slope, a phase slope associated with a resonant frequency, a maximum magnitude associated with the resonant frequency, the value of the resonant frequency, or any combination thereof.
    • 一种用于确定流体性质的方法和系统包括将流体与处于第一状态的驻波相互作用以在第二状态下建立驻波,分析与驻波相关联的电信号以确定与第二状态相关的特性 并且通过将特征与将多个属性与相应的多个特征相关联的函数进行比较来确定流体的属性。 该特性可以包括最大相位斜率,与谐振频率相关联的相位斜率,与谐振频率相关联的最大幅度,谐振频率的值或其任何组合。