FIELD: radio engineering; broadband signal receivers. SUBSTANCE: device provides for shaping noise estimate due to rejection of useful broadband signal from input mixture in which case rejection band of convoluted useful broadband signal does not increase in multipath-effect channels. Connected at inputs of compensation circuits of device are respective limiters affording full correlation of signals at inputs of third multiplier. EFFECT: same noise suppression degree irrespective of presence or absence of multipath effect of channel. 1 cl, 2 dwg
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