44
EL start angle: Current solar elevation angle of sun -15 deg.
[
Note:
Minimum elevation must be higher than 25 deg. If this elevation is lower, that means it
did not measure accurately)
EL end angle: Current solar elevation angle of the sun +15 deg.
(Refer to Figure 5.4. Solar_Elevation_Angle)
3) Make folders as follows when setup the Multiple parameter
output folder.
-
Folder for Sector PPI:
“sppi_before” (Use current Azimuth offset value that set at
“sppi_after” (Azimuth offset value after adjusted at step 7)
-
Folder for Sector RHI:
“srhi_before” (Use current Elevation level correction value)
“srhi_after” (Elevation level correction value after adjusted at step 7)
4) Click [Connect] in a drop-down menu of the [Radar operation]
first, then click [TX] to start observation after connected.
5) Click [Stop Motor] in a drop-down menu of the [Emergency
Stop] after observed around 20 data files into the output
folder.
6) Drag & Drop an acquisition output folder (sppi_before,
sppi_after, rhi_before, rhi_after) into [Antenna_position_
analysis.exe] to check the graph.
- Refer to section 5.3.4 for instructions.
- Solar radiation spectrum has difficulty to check when sun is
blocked by clouds or position of sun is poor during scan.
7) Add the average values to the following setup value.
Go to
step
2) to readjust a value if it does not pass the
acceptance criteria value.
Acceptance criteria value: ±0.5 deg.
A: Add the value of (Clo Counterclockwise / 2) to the Azimuth offset to north value.
e.g. [Clockwise -0.15] plus [Counterclockwise 0.16] divided by 2 = 0.005
Add the average values of SPPI to the AZ offset to north:
Press [Alt] + [Ctrl] + click [setting] menu of RainMap,
[Setting] > [Advanced Setting] > [Zero position offset] >
[AZ offset to north]
B: Add the value of ( Downward / 2) to the
Origin EL position offset correction
.
e.g. [Upward 0.04] plus [Downward 0.39] divided by 2 = 0.215
Add the average values of SRHI to the Origin EL position
offset correction.
Press [Alt] + [Ctrl] + click [setting] menu of RainMap,
[Setting] > [Advanced Setting] > [Zero position offset] >
[Origin EL position offset correction]
Figure 5.12
: sppi
Before offset
adjustment
Using
current
offset value
(sppi_before)
After offset
adjustment
Green line
comes
between blue
and red lines
Only to
(sppi_after)
Figure 5.13
: srhi
Figure 5.11:
Multiple parameter output
Figure 5.14: AZ offset to north
Figure 5.15
:
Origin EL position
offset correction
Содержание WR2120
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