Signal detection device, signal detection circuit, signal...

Details Signal detection device, signal detection circuit, signal... Signal detection device, signal detection circuit, signal...

2011-04-12

2011-04-12

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S149000, C375S347000, C375S354000, C375S367000, C375S346000, C375S240000, C375S259000, C375S326000

Reexamination Certificate

active

07924952

ABSTRACT:
A signal detection device rapidly and accurately detects a desired signal from a reception signal. A correlation unit231outputs a correlation value string obtained by cross-correlating an input symbol string and a reference symbol string, a first position detection unit232detects a position of a correlation value viewed as a maximum or a local maximum on the correlation value string, a compensation unit233performs compensation by suppressing correlation error values from correlation value at positions other than the detected position, a second position detection unit234detects a position of a correlation value viewed as the maximum on the compensated correlation value string, and a sync-detected signal generation unit235outputs a sync-detected signal based on the position detected by the second position detection unit234.

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