FIELD: radio engineering, communication.
SUBSTANCE: device includes a noise generator, the signal of which is added to a saw-tooth modulating signal, and devices for processing as to relative width of an energy spectrum band of a Doppler signal as an analyser, which ensures recognitions of a target with highlights from interference distributed in space, as well as provides for abrupt cut-off of sensitivity function beyond working range limits and operation invariancy of an independent information system in relation to an amplitude of received signal within working range.
EFFECT: improving interference immunity.
2 cl, 5 dwg
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