FIELD: medical engineering.
SUBSTANCE: device has electrodes, preliminary amplifier, microprocessor, memory units of lower and higher level, two comparison units, two threshold units, unit for building alarm signal, magnetic recorder, acoustic signalization unit, high frequency oscillator, amplitude modulator, modulating code oscillator, phase manipulator, power amplifier, receiving and transmitting antennas, restructuring unit, heterodyne, two mixers, two amplifiers of intermediate frequency, detector, two delay lines, two keys, amplifier restrictor, synchronous detector, phase detector, two units for measuring spectrum width, comparison phase doubler, two 90° phase-rotating units, adder, multiplier, low bandwidth filter and amplitude detector.
EFFECT: high noise immunity.
4 dwg
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