FIELD: radio engineering, communication.
SUBSTANCE: invention relates to the field of radio engineering and can be used in radar stations and stations of electronic surveillance. The device comprises a phase inverter, a key, N first targets formed by serial connection of a band filter and a matching element, M second targets formed by serial connection of the first summator, an envelope detector and the first threshold element, comprising also a coincidence unit, the first OR element, the second summator, the second threshold element, the second OR element, an AND element. The above units are connected in a certain way.
EFFECT: increased validity of assessment of multi-pulse-modulated frequency.
3 dwg
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