|
MEOS POLAR
Integrating processing packages into a
Direct Broadcast Terminal.
Frode Dinessen
Kongsberg Spacetec AS
ITSC-15, 4-10 October 2006
WORLD CLASS – through people, technology and dedication
WORLD CLASS – through people, technology and dedication
TROMSØ September 29, 2006
1
MEOS POLAR
This talk presents:
• Methods utilizing freely available software packages
• Combined with a monitoring and control system
• Integrating all units into an autonomous ground station for
reception, processing and distribution of data.
TROMSØ September 29, 2006
2
MEOS POLAR
Please visit us at
www.spacetec.no
TROMSØ September 29, 2006
3
Free processing packages
AAPP up to level 1b (AVHRR)
AAPP (ATOVS)
IAPP (ATOVS)
ICI (ATOVS)
IMAPP (MODIS, AIRS, AMSU, HSB)
OGP and SeaDAS (SeaWIFS)
Several MODIS DB packages for level 2 generation
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
4
Benefit
Rapid on-site processing
More cost effective systems
Common calibration
Promote the cooperation between satellite data users
Facilitates further research for application specific algorithms
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
5
Shortcomings
Often cumbersome operations
Several independent systems are needed for antenna
scheduling and tracking, for data reception, for level 0
processing and for higher level processing.
Hard to make local adaptations
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
6
Direct Broadcast Terminal
Station Control
System
L1
Image Geocoding
(PROJ.4)
L0
WEB
Catalogue
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
L1
IMAPP, AAPP, GSFC
SeaDAS, ANA, Custom
Archiving
Short Term - Long Term
L2
IMAPP, GSFC,
Custom
Format Convert
Distribution
HDF5,EOS-HDF, HDF, ...
7
Station Control System GUI
The GUI visualizes the status of the automatic
operation. Some of the key components include:
•Schedule Display
•Activity Display
•Event Log
•Station Overview
•Telemetry Viewer
TROMSØ September 29, 2006
8
Internal data flow
MCS-GUI
SCS
Internal data format
Plugin
XML
Java/Swing
Subscribe info
XML
Update changes
MCS-GUI
Privilege
Middleware
M&C
MCS-GUI
Plug in
XXX
SQL
Subsystem status
Task information
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
Profiles
Internal data flow
MCS-GUI
Aux data
Interface script
MCS-GUI
Plug in
Middle
Start application
Deliver parameters
ware
SCS
MCS-GUI
Handles output
Progress
Status
SQL
Start signal
Termination signal
Rollin Archive
Application
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
10
GUI interface MODIS
ƒ
ƒ
ƒ
Each process is
represented by a
subsystem box
Individual executed
Part of a processing
chain.
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
11
GUI interface Telemetry
ƒ Viewing telemetry
information from
individual
applications.
ƒ Numerical or
graphical
representation.
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
12
GUI interface Event log
ƒ
ƒ
Monitor events
from the SCS
Detailed
information from
each processing
unit.
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
13
Tree of M&C Middleware
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
14
MEOS M&C Middleware – Example GUIs
TROMSØ September 29, 2006
15
MEOS M&C Middleware – Example GUIs
TROMSØ September 29, 2006
16
GUI WebStart
TROMSØ
September
29, 2006
© KONGSBERG
26 August
2003
The end
Please visit us at
www.spacetec.no
TROMSØ September 29, 2006
18