FIELD: radio engineering; broadband-signal communication systems. SUBSTANCE: device has multipliers 1, 8, 11, rejection filter 7, signal copy generator 2, delay circuits 9, 10, phase demodulator 5, noise detector 6, band filter 3, commutator 4, carrier generator 12, synchro-phase filter 13, switch 14, and subtractor 15. Device provides for detecting structural and simulating high-power broadband phase-keyed noise, its estimation and compensation while immunity of device with respect to broadband phase-keyed noise is not reduced at amplitude modulation. EFFECT: enhanced reliability of noise detection and compensation. 2 dwg
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