[FOSS-GPS] RTKLib fixed baseline length
mammendonca at gmail.com
Sun Apr 3 16:46:29 PDT 2016
In average, without the constraint, they agree at a 5mm level with a
standard deviation of 3 cm. It is a pretty reasonable solution given the
dynamics, but I'd like this noise to be propagated to the other parameters
being estimated, where they actually belong.
The antennas are experimental, so I don't have the antenna type or the
phase centers, but they are both exactly the same, with the same
orientation, so I think this effect is not the one to blame. And the
baseline measurement was made with a caliper, down to the millimeter
between the antenna mounts.
If I can't figure this out, I'll keep with the unconstrained solution. Not
a big deal, but also not the ideal solution.
Thank you very much for the help Mr. Kelley and Dr. Nievinski!
- Marco Mendonça
On Sun, Apr 3, 2016 at 7:39 PM, Felipe G. Nievinski <fgnievinski at gmail.com>
> How large is the difference between estimated baseline length and its
> assumed value? I presumed it's been measured with a tape, between antennas
> reference points (not the antenna phase centers)? Also, make sure you're
> configuring the antenna models correctly in RTKLIB settings.
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