Table 2 Mean RMSE of WVD for the three tomographic methods in different schemes (g/m3)
From: Assessment of tomographic window and sampling rate effects on GNSS water vapor tomography
Tomographic window (min) | Sampling rate (s) | Least squares | Kalman filtering | MART |
|---|---|---|---|---|
30 | 30 | 3.45 | 2.31 | 1.80 |
60 | 2.88 | 1.89 | 1.69 | |
150 | 2.38 | 1.68 | 1.65 | |
300 | 1.79 | 1.65 | 1.64 | |
20 | 30 | 2.71 | 2.04 | 1.73 |
60 | 2.42 | 1.78 | 1.72 | |
150 | 1.94 | 1.67 | 1.65 | |
300 | 1.70 | 1.66 | 1.64 | |
10 | 30 | 2.21 | 1.83 | 1.69 |
60 | 1.94 | 1.71 | 1.67 | |
150 | 1.69 | 1.66 | 1.64 | |
300 | 1.65 | 1.65 | 1.64 |