FIELD: physics, radio.
SUBSTANCE: invention relates to radio engineering and is meant for accurate measurement of phase difference of radio signals received in spaced out points. The device contains the following: a first antenna, first multiplier, second antenna, second multiplier, first integrator with reset, third multiplier, subtractor, second integrator with reset, fourth multiplier, adder, fifth multiplier, third integrator with reset, sixth multiplier, subtractor, seventh multiplier, fourth integrator with reset, eight multiplier, harmonic signal generator, phase changer, divider and an arctangent calculator.
EFFECT: increased accuracy of measuring phase difference of radio signals.
1 dwg
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