DEVICE FOR MEASURING ELEVATION ANGLE OF LOW-ALTITUDE AND LOW-SPEED TARGETS IN EARTH RETURN BACKGROUND

摘要

FIELD: measurement of target elevation angle. SUBSTANCE: device has receiving antenna built up of four radiating elements 1-4, transmitter 5, transmitting antenna 6, receiver with channels 7 and 8, subtracter units 9 and 10, controlled phase shifters 11 and 12, and elevation computing device 13. EFFECT: improved design. 4 dwg