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METHODS AND SYSTEMS TO DERIVE ENGINE COMPONENT HEALTH USING TOTAL HARMONIC DISTORTION IN A KNOCK SENSOR SIGNAL
METHODS AND SYSTEMS TO DERIVE ENGINE COMPONENT HEALTH USING TOTAL HARMONIC DISTORTION IN A KNOCK SENSOR SIGNAL
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机译：使用爆震传感器信号中的总谐波失真来衍生发动机部件健康的方法和系统
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摘要
A method of inferring the health of a component of a reciprocating device according to the present invention comprises receiving a signal from a knock sensor connected to the reciprocating device, inferring a total harmonic distortion (THD) at one or more frequencies, and the inferred THD is and determining whether a threshold has been crossed.
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