METHOD FOR DETECTION AND HIGH-ACCURACY DETERMINATION OF PARAMETERS OF SEA ICE FIELDS AND RADAR SYSTEM FOR ITS IMPLEMENTATION

摘要

FIELD: information-measuring systems.;SUBSTANCE: proposed method and system relate to information-measuring system and can be used in radar equipment for high-accuracy assessment of ice situation in areas of offshore production and transportation of oil and gas resources. Radar system implementing proposed method comprises radar system control unit 1, frequency synthesizer 2, M code generator 3, modulators 4 and 5, power amplifiers 6 and 7, microwave switch 8, antenna system control unit 9, antenna unit 10 system, transceiving antenna 11, receiving antennae 12 and 31, high frequency amplifiers 13, 14 and 32, mixers 15, 16 and 33, temporary automatic gain control device 17, intermediate frequency amplifiers 18, 19 and 34, intermediate frequency switch 20, intermediate frequency amplifier 21, automatic and manual gain control unit 22, phase detector units 23 and 24, phase shifter 25, analogue-to-digital converters units 26 and 27, primary digital processing unit 28, buffer memory 29, digital meter 30, multipliers 35, 36, 37, narrow-band filters 38, 39, 40, reference generator 41, additional phase detectors 42 and 43, amplifiers 44, 47 and 50 of total frequency, amplitude detectors 45, 48 and 51, switches 46, 49 and 52.;EFFECT: high noise-immunity and accuracy of determining parameters of sea ice fields by suppressing false signals (interference) received via additional channels.;2 cl, 3 dwg