FIELD: inspection and measurement systems; radiation monitoring of environment.
SUBSTANCE: system has stationary control desks, mobile control desks, feedforwards and feedbacks, central control desk. Each stationary control desk has detectors, data preliminary processing unit, coding unit, noise-resistant coding unit, receiver-transmitter, and control unit, feedforward and feedback channel. Each mobile control desk has detectors, data preliminary processing unit, coding unit, noise-resistant coding unit, receiver-transmitter, control unit, feedback and feedforward channel, unit for finding location. Each receiver-transmitter has master oscillator, phase manipulator, first mixer, first heterodyne, first intermediate frequency amplifier, first power amplifier, duplexer, receiving-transmitting aerial, second power amplifier, second mixer, second heterodyne, second intermediate frequency amplifier, multiplier, band-pass filter and phase detector. Two frequencies and complex phase-manipulated signals are used in the device.
EFFECT: improved noise immunity; improved truth of data exchange between control desks and dispatching desk.
7 dwg
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Authors
Dates
2005-07-27—Published
2004-07-12—Filed