BS3 USV User Manual
31
Enter the known
Delay Time
value or calculate the delay time by
the
BaseCrossPoint
method
and
BaseSection
method. Check the sampling file and select the corresponding line name. Click
Apply
to correct the file.
Acquisition of the time delay value:
1. If the time delay value is known, enter it directly in the text box.
2. If the time delay is unknown, users must test the delay value of this bathymetric system before
or after construction.
- Height Correction
Figure 2-12-6 Height correct
Open a survey line and filter it. Similar to the
Sampling
operation, the blue line in the left frame
is the water surface height. Because the water surface height changes are slight, especially in
lakes, the water surface height is basically unchanged. The blue line fluctuates significantly,
indicating that the data is inaccurate and the line needs to be flattened with the mouse. After the
processing is completed, click
Save
and the processing is completed.
The
Height Correct
has three windows, namely the height line window, the velocity line window
and the water depth line window. The height line and the velocity line both include the original
line and the editing line. To facilitate user identification, the editing line has a solid circle filled
Surveying the W
orld, Mapping the Future