Using materials of radar mapping from spacecrafts as a way to increase reliability, as well as to reduce the cost and time of site selection for extended linear construction projects
Table 3.
Results of mathematicalanalysis of the compared topographic models.
|
| Parameter |
Topographic survey |
ALOS AW3D |
SRTM |
ASTER GDEM |
|
|
| Mean |
157.96 |
156.62 |
156.14 |
157.40 |
|
| Variance |
1,397.54 |
1,406.24 |
1,401.24 |
1,445.96 |
|
| Mean error |
0.51 |
0.51 |
0.51 |
0.52 |
|
| Thickest value |
134.00 |
130.00 |
147.00 |
139.00 |
|
| Standard deviate |
37.38 |
37.50 |
37.50 |
38.03 |
|
| Kurtosis |
-0.61 |
-0.59 |
-0.60 |
-0.57 |
|
| Skewness |
0.15 |
0.15 |
0.14 |
0.13 |
|
|
|
|