| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: antenna array provides narrow-directed transverse (less than 10° at the level of 3 dB) and unidirectional longitudinal (more than 5 times the ratio) reception of vertically and horizontally polarised fields. The antenna array has a line of connected active compensated antennae, each antenna having a working electrode connected to the input of an antenna amplifier, a compensating electrode between the working electrode and a counterweight, the additional output of the antenna amplifier, independent of the antenna, having a voltage transfer ratio close to zero, is connected to the compensating electrode of an independent antenna and, through a connecting line, a dependent antenna, from the antenna amplifier of which the output signal of the array is output. A tunable delay line is connected in the connecting line.EFFECT: frequency tuning of the array, wider bandwidth of the array and high accuracy of direction finding.8 cl, 3 dwg |
