FIELD: radar equipment, in particular, Doppler-shift radar systems. SUBSTANCE: device has two phase detectors 1, 2, which inputs are joined and serve as input of device, two analog-to-digital converters 3 and 4, phase shifter 5, local oscillator 6, fast Fourier transform unit 7, 72*L optimal filters, where L is maximal size of feature set of four-aircraft battle array, three value choice units 9, 10, 11, battle array type detection unit 12, which fourth output group serves as output of device, battle array feature set detector 13, minimal Doppler frequency detector 14, digital-to-analog converter 15 and two indicators 16 and 17. Device provides possibility of recognition of type of close four-aircraft battle array and detection of its characteristics using direction-wedge-front principle. EFFECT: increased functional capabilities. 12 dwg
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