SIGNAL PROCESSING APPARATUS Russian patent published in 2013 - IPC G01S13/52 

FIELD: radio engineering, communication.

SUBSTANCE: signal processing involves detecting a target with double selection of moving targets with repetition period wobbling, varying the frequency and phase of the signal reflected from the target relative the frequency and phase of a passive jamming signal, wherein the effect of the speed of the radar system itself is eliminated. The signal processing device includes two phase detectors, two analogue-to-digital converters, four digital delay lines, ten subtractors, six adders, three modulus computer units, an integrator, a decoder, three multipliers, four comparator circuits, a two-input NAND logic element and an AND logic element. The listed devices are connected to each other in a certain manner.

EFFECT: avoiding display of passive jamming information on the screen and improved observability useful signals.

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