RECEIVING DEVICE USING DOUBLE-STAGE SEARCH FOR NOISE-LIKE SIGNAL BY FREQUENCY AND DELAY Russian patent published in 2003 - IPC

FIELD: communications engineering; data reception over communication channels using noise-like signals. SUBSTANCE: device has mixer, controllable frequency synthesizer, two switches, two correlators, pseudorandom-sequence standard generator, two threshold units, logic unit, synchronizer, read-only memory, two counters, address shaper, comparison unit, coincidence unit, and polling unit, all these units being newly introduced in prior-art to afford its operation with large-base signals of 8000, 10 000, and higher. EFFECT: reduced search time. 1 cl, 3 dwg, 1 tbl