FIELD: fire safety.
SUBSTANCE: device that realises proposed method comprises sensors to measure gas components, amplifiers, analogue-digital converters, microprocessor, alarm signal generator, light alarm, sound alarm, modulating code generator, setting oscillator, phase manipulator, power amplifier, transmitting antenna, receiving antenna, high frequency amplifier, heterodyne, mixers, intermediate frequency amplifiers, phase splitter into two, narrow band filters, phase doubler, phase changers by 90°, phase detector, registration unit, summator, multiplier, amplitude detector and key.
EFFECT: improved noise immunity of device and accuracy of fire safety object ID and coordinates detection by suppression of false signals received along mirror and combination channels.
2 cl, 6 dwg
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