FIELD: radiolocation and radio navigation. SUBSTANCE: device has coherent transmitter 1, transmitting antenna 2, M-element receiving array 3, diagram forming unit 4, N units 5 of forming difference signals, 2N-channel receivers 6, N units 7 of angular velocity selection, two analog-to-digital converters 9 and 11, ground speed computing unit 10 and synchronization unit 12. This makes it possible to measure ground speed by phase method. EFFECT: enhanced efficiency. 5 dwg
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Authors
Dates
1995-06-19—Published
1993-05-31—Filed