FIELD: machine building.
SUBSTANCE: procedure consists in installation of radar device on base distance from turbo-machine in centre of rotation trajectory of blades perpendicular to it, in extraction of Doppler frequency of signal reflected from rotating blades of turbo-machine, and in comparison of extracted amplitudes of Doppler frequency with threshold. Amplitude of oscillations of each blade is evaluated by results of comparison. The serially connected radar device functioning as a sensor, an amplitude detector and a threshold facility are incorporated into the device.
EFFECT: simplified procedure and design of device.
2 cl, 1 dwg
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