FIELD: radio engineering, communication.
SUBSTANCE: invention relates to radio engineering and can be used in electronic surveillance and target detection stations. Apparatus comprises a multichannel direction-finding antenna system, a channel switching and multiplexing unit, a receiver-amplifier unit, a video detector, a commutator-splitter, a signal angular position analyser, a multiplexing unit, a switching signal generator, a periodic pulsed signal selector, an intrapulse modulation parameter analysis unit, normally closed and normally open switches, wherein all the listed components are connected to each other in a certain manner. The multichannel direction-finding antenna system, the commutator-splitter, the multiplexing unit, the signal angular position analyser and the periodic pulsed signal selector are made in a certain manner.
EFFECT: high accuracy of analysing radar systems under surveillance.
6 cl, 6 dwg
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