[time-nuts] WWVB phase plots
ehydra
ehydra at arcor.de
Mon Mar 19 22:06:59 UTC 2012
What makes me wonder: Why don't they adapt the DCF77 implementation? Is
it the not invented here syndrome?
At it looks like they never heard of Kasami sequences.
- Henry
Dennis Ferguson schrieb:
> On 18 Mar, 2012, at 10:52 , John Seamons wrote:
>> They do talk about using the 11-bit Barker code for autocorrelation. But the sync bits transmitted only match the Barker code if you interpret them a little bit out-of-order.
>
> The part of the paper that talked about the Barker code confused me
> somewhat since I couldn't quite figure out how it was relevant. The
> autocorrelation property of the Barker code is only interesting if
> the Barker code is the only thing being sent (over and over), but
> in this case the concerns are more about spurious correlations with
> the variable data, something for which no solution seems to be
> possible.
>
--
ehydra.dyndns.info
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