| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: coherent-pulse radar set comprises the following components connected to each other in a certain manner - a modulator, a power amplifier, a reception-transmission switch, four mixers, two amplifiers of intermediate frequency, four pole filters, two detectors, two accumulators, a clock oscillator, a generator of intermediate frequency, a transceiving antenna, a threshold device, a unit of intermediate frequency doubling, a subtraction unit, a filter of differential frequency, a filter of summary frequency, a phase changer by 90°, two multipliers, a key, a phase detector and a recording unit.EFFECT: higher sensitivity and accuracy of detection of a moving target by determination of value and sign of Doppler frequency under its low values.3 dwg |
