Page 112 - 卫星导航2021年第1-2合期

Shinghal and Bisnath Satell Navig (2021) 2:10 Page 15 of 17

Table 8 Position accuracy for SPP and PPP solutions, DOY 225, and standard deviation of the horizontal positioning
2019 error are depicted in Table 9.
Te frst few epochs are ignored, as the car was parked
Position methods for Xiaomi MI 8 Position accuracy in diferent
dimensional (m) in a high multipath environment (parking lot). Te RTK
RMS is 33% lower than the PPP solution but only have
2D RMS 3D RMS
92% solution availability, as marked by the data gaps in
SPP 2.0 3.0 Fig. 17a between epochs 50–100. Te gaps in the RTK
PPP 0.2 0.3 solution can be attributed again to the rejection of
epochs with missing measurements, a problem which is

800

600

ε 400
E 口 i
,
2 00
。

- 2 00 。 200 4创3 600 800 280
2000、 Northing (m) ／ a，噜 260
-400 - 200
的： 2 20

＼ 二 回 』