FIELD: medical engineering.
SUBSTANCE: device has electrodes, preamplifier, microprocessor, memory units of upper and lower level, comparison units, threshold units, unit for producing alarm signal, magnetic recorder, acoustic signalization unit, high frequency generator, amplitude modulator, modulating code oscillator, phase manipulator, power amplifier, transmitting antenna, retuning unit, heterodyne, mixers, intermediate frequency amplifier, detector (selector), amplitude restrictors, synchronous detector, phase detectors, spectrum width measurement units, phase doubler, phase rotator by +90°, adder, multiplier, narrow band filters, amplitude detector, phase divider by 2, phase rotator by +30°, phase rotator by -30° and subtraction units.
EFFECT: improved noise immunity.
3 dwg
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