E-Training P3 Post Processing Theory

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Slide 1:e-training GNSS Post processing System 1200 ?????? ? ?????????? ?????????


System 1200 ?????? ? ?????????? ????????? :System 1200 ?????? ? ?????????? ????????? ????????: ???????? ?????? ? ?????????? ?? ???????????? ?? ????????? ???? ????? ? ???????? ???? Post-processing ???????????? (??????) ??????? ? ????????? ???????? ??????? ?????????? ???????????? (??????) ??????? ?????? ????? ?? ???? ??????????? ??????????? ?? ????? ?? ????? ?????? (?? ?? ????????) ?? ?????? ?????? ?? ????????????, ???????????, ????????...??????? ???? ??????????? ? ????? ???? ???????????? ?? ?? ?????? ???????????? ?? ?????? ?????????????????? ?? ???????????? ???? ?? ?? ?????? ???? ?? ????????????? ??????????? ?????? ?? ???? ????? ?????????? ??????????????? ?? ???????? ?? ????? ???????? ?? ???????? ????????????? ????? ?? ?????????? ????????, ?????????? ? ????? ?????, ? ?????????


?????? ?????? ?????????? ??? Post Processing :?????? ?????? ?????????? ??? Post Processing ???????? ? ????? ????????: ?????????? ???-???????? ??????? ????????? ??????? ?? ???????? ????? ??????? ?? ????????? ? ????????? ?? ??????? ?? ????????? ?? ???????? ????? ???????? ????????: ????????????? ?? ??? ?????????? ??????? ?????? ???? ????????? ?? 2 ??????? ?? ????? ?????.. ...?? ????????? ?? ???????? ?? ???????????? ?? ???? ? ??? Rover (???????? ??.)


?????? ??????????: ????? ????????/Rapid Static :?????? ??????????: ????? ????????/Rapid Static ???????? ? ????? ????????: ?????????: ????????? ?????? ?? ???????? ????? 50-1000 km ??????? ?? ???????????? ?? ??????? ?? ????????... ???????????? ??????? ?? ???????? ?? ?????????? ???????? ???????????? ???????? ?? ????? ??-????? ???? ????, ????????? ???? ????? ??? ?????????? ???? ?????, ???????? ????? ????? ?? ?? ??????? ?????????? ??????? ?? ?????? ?? ??????? ?? ?????? ?? ???????? ????? ??????????... ?? ?????? ????? ?? 20 km: ???????????????? ???? ?? ???? ?????? ?? ?????? ????? ??? 20 km : ?????? ?? ?? ???????? ???? post-processing ?????????,?????: ???? ?? ????????? ???????????? ??????? ? ?????? ?????? ...?? ???????? ???????? ?? ????????????????? ????????? ?????????????? ?? ?????????? ?? ??????? ?? ???????????? (GDOP ???????) ?.?. ?? ?? ?????? ???????? ??????? ???????? (????????)


?????? ??????????: ????? ????????/Rapid Static :?????? ??????????: ????? ????????/Rapid Static ???????? ?? ????? ???????? ?? Rapid Static: 4 ??? ?????? ???????? ??? 15° GDOP < ??? = 8 ?????? ? ????????: 5 ??? ?????? ???????? GDOP < ??? = 5. ???????? ??? 20° ?????? : ??????????? sky plot , ?? ?? ????????? ??? ?????? ???????? ??????????? ??????????, ??????? ?? 2 ?? ???? 4 ??? 5 ???????? ?? ????? ????? (<20°)


????????? ?? ??????????? ?????????? ???????? :????????? ?? ??????????? ?????????? ???????? ????????? ???? ????? ????????? ???? ????


Slide 7:?????????? ?? post-processing ???????????? ?, ?? ?????? ?????????? ???? ??????? ??? ?????? ???????... ...??? ?????? (????? ???????) ??????? ????? RTK ? Post-Processing (??????????? ???????)


Slide 8:? ????? ??? ??????????? ?? ??????????? ????? ?? ????? ????????? ???? ??? ?????? ????? ?? 30 km: ? ???? ??? ??????????? ?? ??????????? ????? ?? ????? ???????? ???? ??? ?????? ????? ??-???? ?? 5 km: 0.05 cycle 0.50 cycle Post-Processing : ??????? ? “?????” ? “????” ???


Slide 9:?? ?????????? ??????? ?????????? ??... ???? ??????????? ? 15° ??????? ???? ???????????? ??????????? (??????? ?? multipath) ???? ???????????????? ??? ????? ??????????? ??? ????????? ????????????? ? ???????? ?????????? ??? ?????????? ????????? ?? ??????? ???????? ??????????????? ????????? (????. recording rate) ????? ???????? ???????? ?? ???????? ? ?????????? ?????? ?????????? ?? ? ???????????? ????????????? ?? ???. ??????? ????? ???????? ????? ?????????????? ???????? ???.??????? ?? ????? ? ????? ??????? ... ??-?????, ????????? ????? ???????? ?????, ?? ??? ???? ??????? WGS ?????????? ?? ???? ????? (± 10 m) ?? ?????????? ?? ???????? GNSS ?????????? ?????? ??????????: ????? ????????


Slide 10:???????, ?????????? ?? ?????? ????? ?????, ?????? ??: ????????? ?? ???????? ????? ???? ?? ?????????? ????????????? ???????????? ?? ?????????? (GDOP) ????????? ?? ??????????? ?????? ??????????: ????? ????????


Slide 11:?? ????????? ????????, ?????????? ??... ??? ????? ???? ? 15° ??????? ?? ???? ???????????, ????????? ????????? ???? ???????????? ??????????? (??????? ?? multipath) ???? ???????????????? ??? ????? ??????????? ??? ??????? ???????? ??????? ??? ?????????? ????????? ?? ??????? ????? ???????? ???????? ?? ???????? ???????? ??????????????? ????????? (????. recording rate) ??????????? ???????????? ? ????? ??????? ???????? ?? ?????????? GDOP < 8. ?????????? ?????? ? ?????????? ?? ???????????? ?????? ??????????: ????? ????????