FIELD: radio measurement technology, distance and level measuring equipment, acoustics and optics. SUBSTANCE: facility includes generator 1 with voltage-controlled frequency, aid 2 comparing phases, programmed control device coming in the form of controller 3. frequency meter 6, computer 4. Novelty of approach lies in implementation of aid comparing phases which integrates mixer 7, amplifier 8, filter 9, analog-to-digital converter 10, computer 11 and in provision of controller with program ensuring formation of reference signals of selected harmonics of modulation frequency, their multiplication in computer and conversion of output signal of aid comparing phase to analog form. EFFECT: possibility to measure generator frequency both directly and indirectly, increased accuracy of range measurement in any frequency range, millimeter range included. 9 cl, 7 dwg
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