COHERENT-PULSE RADAR SET Russian patent published in 2014 - IPC G01S13/50 

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.

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