FIELD: measurement technology.
SUBSTANCE: moisture content determination method is proposed. Selecting one of the plurality of sensors located along the perimeter of the vehicle based on the fact that on the transmission path of the selected sensor there is an object fixed relative to the vehicle. Multiple signals are transmitted from the selected sensor, each at a different frequency. Reflected signals of the transmitted signals are received. Attenuation values of only those reflected signals which have the same passage time from the moment of transmission to the moment of reception are determined. Differences between pairs of attenuation values are determined. Differences are converted to a relative humidity index. Method of determining moisture and a system for determining moisture are also provided.
EFFECT: determination of relative humidity is achieved.
19 cl, 17 dwg
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Authors
Dates
2020-04-17—Published
2017-09-19—Filed