FIELD: electricity.
SUBSTANCE: during measurement by means of a microwave generator (1) microwave electromagnetic oscillation of fixed frequency is introduced into the flow, and a Doppler frequency signal is removed therefrom. A flow rate and controlled medium permittivity related Doppler frequency database is created in a block (4). A set of frequencies close to an average Doppler frequency is formed of this database. An arithmetic mean Doppler frequency specified from the set, and permittivity are used to calculate an average flow rate.
EFFECT: invention improves measurement accuracy.
1 dwg
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