H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/12 (2006.01) H03H 21/00 (2006.01) H04B 1/18 (2006.01) H04L 27/14 (2006.01)
Patent
CA 2643799
A digital signal receiving apparatus includes a detection-judging portion having a first smoothing filter generating a first smoothed signal by smoothing an auto- correlation signal and judging a possible presence of a desired signal when a signal level of the first smoothed signal is greater than a reference level and an absence of the desired signal when being smaller than the reference level. The smoothing filter includes a limiting portion limiting a fluctuation width of the first smoothed signal; and an adjusting portion configured to adjust the fluctuation width of the first smoothed signal limited by the limiting portion to be reduced while an elapsing time after the detection -judging means judges the possible presence of the desired signal is increasing.
Aouine Tarik
Coutant Frederic
Furuhashi Akira
Horie Takahiro
Murakami Yuichi
Aisin Seiki Kabushiki Kaisha
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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