CHIRP SIGNAL RECOGNITION DEVICE Russian patent published in 2015 - IPC H04B1/10 

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to radio engineering and is intended for operation in electronic surveillance stations. The device comprises an autocorrelator, three threshold units, two switches, two interval-to-number converters, three registers, a divider unit, a coincidence unit, an envelope detector, a comparator, a univibrator, three delay units, three threshold units and an OR element. The listed devices are connected to each other in a certain manner.

EFFECT: high probability of recognising a chirp signal.

5 dwg