[time-nuts] Carrier phase tracking
pvince at theiet.org
Tue Feb 20 04:58:26 EST 2007
>I don't wish to offend, but that is totally wrong. Even if every
>satellite were on the exact same frequency, with the exact same
>doppler, and the exact same direction, you would still have no problem
>separating the carriers of the multiple satellites. The reason is
>that the satellites do not transmit carrier. Here is how:
> Everybody here understands how the PN codes are tracked by
>despreading. The despreading operation is multiplication, and when
>you multiply the PN code by the original signal you get a carrier,
>only from that one satellite.
Do you? Or do you just get the modulation?
Sorry if I'm being naive, just trying to get my head around this thorny topic.
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