INTERFERENCE COMPENSATION FILTER Russian patent published in 2023 - IPC G01S7/36 

FIELD: radar engineering.

SUBSTANCE: used in coherent-pulse radar systems for extracting signals from moving targets against the background of passive interference with an unknown Doppler phase. The noise compensation filter contains a first delay block, a complex adder, a second delay block, a third delay block, a complex multiplier, a complex inverter, a Doppler phase meter and a clock generator. The first delay block contains delay lines. The output of the clock generator is connected to the clock inputs of the delay lines. The inputs of the noise compensation filter are the inputs of the second delay block, and the outputs are the outputs of the complex adder.

EFFECT: increasing the efficiency of compensation for passive interference with a priori unknown Doppler phase and the selection of signals from moving targets.

1 cl, 8 dwg