Minimum fix count is the number of fixed epochs before the integer ambiguities being used to fix the baseline.
Kind regards, Yanqing > On 15 Oct 2014, at 20:51, David Kelley <[email protected]> wrote: > > > Jeremy > "Minimum Fix Count" ? I do not understand the question. > Perhaps you meant the AR ratio?, RTKLIB calls this the "Min. Ratio to Fix > Ambiguity" > > If that is correct, and you wish to be "generous" at the expense of > increasing the overall probability of a false Ambiguity Resolution fix > (selecting the wrong set of integers result in an incorrect position), then > use a value like 2.7 or so. Do not go much lower. > > [ My limited experience with RTKLIB on this is to leave the value alone and > it does a very good job using a classic comparison of the ratios method. > However this is clearly an area where the tool can be improved, but I would > not expect such improvements to become easily available as open source. > For those that care, the optimal AR process is a very complex topic, see > https://www.ion.org/publications/search.cfm?searchText=+Ambiguity+Resolution > for a good summary of the key literature, but again now you are into things > rather deep ] > > Regards, David Kelley > > >> On 10/15/2014 12:36 AM, jeremy.bouathong wrote: >> Hi David, >> >> thanks for your advice. Do you know what is exactly the Minimum Fix Count to >> Hold the Ambiguity? >> >> Regards, >> >> Jeremy > > > _______________________________________________ > This message is sent to you from [email protected] mailing list. > Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your > subscription > For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS _______________________________________________ This message is sent to you from [email protected] mailing list. Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your subscription For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
