0P0japPApP Sent from Huawei Mobile Yanqing <[email protected]>编写：
>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 _______________________________________________ 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
