
160
The TABLE 7 and 8 shows the maximum and
minimum deviation value:
Table 7. The height measurement data analysis after aver-
age moving filtering.
Testing
Parameter Testing Content Value
Height
Standard deviation 6.1255m
Mean value 422.5920m
Table 8. The height measurement data analysis after aver-
age filtering.
Testing
Parameter Testing Content Value
Height
Standard deviation 6.8047m
Mean value 422.5682m
The result of the test shows the measurement pre-
cision can satisfy engineering demand.
7 CONCLUSION
The mainly conclusions are as follows:
1 Due to air pressure value is large changing in one
day, and the changing is no obvious rules, so the
measurement ...