DIGITAL FILTER Russian patent published in 1994 - IPC

FIELD: radio engineering. SUBSTANCE: digital filter has K filtering channels 7-1 through 7-K each incorporating three AND-gate units 1, 2, 3, OR-gate unit 4, adder-subtracter 5, and result register 6, as well as it has mode flip-flop 8, pulse characteristic register 9, interrogation register 10, and reset register 11. Digital filter affords time-variable zeroing of adder-subtracter in each filtering channel before arrival of first weight factor of pulse characteristic. EFFECT: enlarged functional capabilities. 3 dwg