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The highest amplitude of a sinc(x) is centered at the carrier frequency.

This article completely misses another important use of the term "centre frequency"; namely that in comms applications, the centre frequency is defined as frequency of the unmodulated carrier, which is typically the arithmetic mean of the signal bandwidth (not the geometric mean). Oli Filth 13:09, 22 September 2006 (UTC) reply

The comment(s) below were originally left at Talk:Center frequency/Comments, and are posted here for posterity. Following several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section.

Last edited at 14:08, 19 October 2006 (UTC). Substituted at 11:09, 29 April 2016 (UTC)