??????(PPP)??? ??????

1
??????(PPP)???????????????????????
???????104????

• ????????? ?? ??

2
???? VS ??????
??/?? ??? 3m/10 ns
??? ????? 110 m
??? ????? 0.3 m
?????????? 0.11 m
???? ?m?10m
3
???? VS ??????
??/?? ??? 3cm/0.1ns
??? 2?????? 0.5 cm?
??? ????? 0.5 cm
???????????? 0.31 cm
???? 1cm?cm
4
???? VS ??????

• ??????
• ???????(??????)
• ?????????????FIX?

5
???? VS ??????

• ??????
• ???????(??????)
• ?????????????FIX?

• ??????
• ???????(ITRF)
• ?????????????FLOAT?

6
??????????

• ????????????????
• ??????????Mapping??
• ??????????????????(?????)Phase Wind-up??

7
??????

• IGS???Final, Rapid, Ultra-Rapid
• ????5cm(???)?10cm(??)
• ????0.10.2ns(???)?5ns(??)
• ??????0.1ns0.6ns(5???)

????????????????? ???????PPP????
8
GpsTools (GT) ver.0.5.6
9
??????PPP????

• ??2004/1/12004/12/31
• ?????24H??????PPP?5???
• ???IGS Final
• ????10?
• ?????ZTD/??????NMF
• ??????? IGS_01.PCV
• ????????????????

10
ITRF?(IGS?????IGb00)
11
ITRF???????PPP??(??)
ALGO
TSKB
E4.0 N3.0 U5.9mm
E4.6 N5.4 U8.8mm
AUCK
SANT
E5.5 N4.9 U15.0mm
E5.5 N2.8 U9.1mm
12
ITRF???????PPP??
2004/1/1-12/31????????mm Global Offset??????????
13
ITRF???????PPP???????
wrt IGb00?Global Offset???
14
ITRF???????PPP???????
wrt IGb00?Global Offset???
15
Global Offset??

• Helmert?????????Fitting

• dx/dy/dz ????
• Rx/Ry/Rz ??
• Scale ????

16
ITRF?PPP?Global Offset
5mm
17
PPP?Global Offset???

• dx/dy/dzGeocenter Offset?
• Rx/Ry/RzERP???
• Scale?????????????????

dx/dy/dz
Rx/Ry/Rx
Scale
PPP?
ITRF
18
??????????
19
???????????PPP??
2004/1/1-12/31????????mm Global
Offset????????????
20
?????PPP???????
wrt GSI F2? Global Offset???
21
?????PPP???????
wrt GSI F2? Global Offset???
22
?????PPP???????(??1)
wrt GSI F2? Global Offset???
23
?????PPP???????(??2)
wrt GSI F2? Global Offset???
24
?????PPP???????(??3)
wrt GSI F2? Global Offset???
25
???????PPP????

• ??2004/10/32004/10/9
• ????????????PPP?5???
• ???IGS Final
• ????10?
• ?????ZTD/??????NMF
• ??????? IGS_01.PCV
• ????????????????

26
ITRF????????PPP??(??)
TSKB
ALGO
E0.9 N1.0 U2.1cm
E1.2 N1.3 U3.0cm
AUCK
SANT
E1.2 N0.9 U2.7cm
E7.8 N4.0 U7.5cm
27
ITRF????????PPP??
2004/10/3-10/9????????cm Global Offset??
28
???????PPP?????
IGR 300sec
IGS 300sec
E0.6 N0.8 U1.8cm
E0.8 N1.0 U1.8cm
IGS?? 30sec
JPL 30sec
E2.4 N2.9 U7.7cm
E2.5 N2.0 U4.2cm
2004/10/3-10/9 DAV1 wrt IGb00
29
PPP???????????

• LEO??GRACE A, GRACE B
• ????????????PPP?5???
• ???IGS Final
• ????0?
• ???????
• ??????? GRACE OffsetNo PCV
• ???????LEO Satellite

30
???????PPP LEO??POD(1)
GRACE A 2004/7/18-7/24 wrt JPL Level1B
RMSE 3D5.5cm
R3.9 A2.9 C2.4cm
31
???????PPP LEO??POD(2)
GRACE B 2004/7/18-7/24 wrt JPL Level1B
RMSE 3D7.5cm
R5.6 A3.7 C3.4cm
32
???

• ??????PPP??(RMS)ITRF?? ?? 3-5mm, ??
  10mmGlobal Offset??
• ???????PPP??(RMS)??? ?? 1-2cm, ?? 3-4cmLEO??
  3D 5-8cm
• ??? ????????

?????? http//gpspp.sakura.ne.jp