| 摘要 |
FIELD: radio engineering, aids of radio engineering control, monopulse radars to determine azimuth of air, surface ( ground ) objects. SUBSTANCE: omnidirectional radio direction finder has four omnidirectional antennas 1-4, two directional antennas 5 and 6 designed for sectors from 0 to 180 and from - 90 to +90 degrees correspondingly, five receivers 7- 11 possessing common heterodyne 12, gate former 13, three voltage limiters 14-16, phase inverter 17, four phase detectors 18-21, seven analog-to-digital converters 22-28, generator 29 of signals of constant frequency, frequency converter 30, electron key 31, programming computer 32. EFFECT: increased precision in finding direction to aerial objects. 5 dwg |
