Document 7576095
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Transcript Document 7576095
JHT Project: Operational SFMRNAWIPS Airborne Processing and
Data Distribution Products
OUTLINE
Dr. Peter Black & Eric Uhlhorn
NOAA / AOML / HRD
Dr. Paul Chang
NOAA / NESDIS / ORA
Dr. James Carswell
Remote Sensing Solutions
2006 IHC – Mobile, Alabama
20 – 24 March 2006
JHT Project Scope
Auto Calibration
HS 2006
Project Objectives
Year 1 Milestones
Auto Calibration / Tuning Algorithm*
Real-time & Post Comparison Tools
Real-time Quality Control Algorithm
(Version 1.0)
–
–
Land Flag
Bathometry Flag
2006 IHC – Mobile, Alabama
20 - 24 March 2006
Project Objectives (cont.)
Year 1 Milestones (cont.)
Real-time SST Ingestion (Version 1.0)
–
–
SST Table Generation
SST Table Lookup
2006 IHC – Mobile, Alabama
20 - 24 March 2006
Project Objectives (cont.)
Year 2 Milestones
Updated Retrieval Process
–
–
–
Improved Atmospheric Model
Improved Oceanic Emissivity Model
Improved Retrieval Process (with negative rain
rates)
Real-time Quality Control Algorithms (Version
2.0)
–
–
RFI and Anomaly Removal.
Auto Health Monitoring
2006 IHC – Mobile, Alabama
20 - 24 March 2006
Project Objectives (cont.)
Year 2 Milestones
Bathometry Flag (Version 2.0)
Advanced Real-time Products
–
–
–
–
Wind Radii (tropical storm, hurricane)
Maximum Sustained Wind
Different Temporal Products
Integration into NAWIPS
2006 IHC – Mobile, Alabama
20 - 24 March 2006
Calculating Brightness Temperature
Internal
Cold/Hot
Load
VCO
Vical
VA’
Detection/
Sample &
Hold
Board
IF BPF
AMP
RF BPF
LNA
Dicke
Switch
l1
Vref
Reference
Load
V A Vref
Tb
V V
ref
ical
K Tref Tref
Assumption:
Antenna
feed /20antenna
absorptive
losses are very small.
2006 IHC – Mobile,
Alabama
- 24 March
2006
Calibration Equation
Vical Vref
K
V V
ref
A
Tb Tref Tref
where:
Vical, Vref, VA are digitized voltages
Tref reference load physical temperature
2006 IHC – Mobile, Alabama
20 - 24 March 2006
SFMR Brightness Temperature
Vs. Ocean Surface Wind Speed
Brightness Temperature (Kelvin)
180
7.09 GHz
4.74 GHz
160
Not So Nice
Calibration Region
Nice Calibration Region
140
120
100
1
10
Ocean Surface Wind Speed (m/s)
2006 IHC – Mobile, Alabama
20 - 24 March 2006
100
SFMR Calibration Flight
Flight Track
Latitude (degrees)
29 June 2005 – N43RF
2006 IHC – Mobile, Alabama
20 - 24 March(degrees)
2006
Longitude
SFMR Calibration Flight
Altitude
Altitude (m)
29 June 2005 – N43RF
2006 IHC – Mobile, Alabama
Time (seconds)
20 - 24 March 2006
SFMR Calibration Flight
Flight Level Wind Speed
Flight Level Wind Speed (m/s)
29 June 2005 – N43RF
2006 IHC – Mobile, Alabama
(seconds)
20Time
- 24 March
2006
SFMR Calibration Flight
Flight Level Air Temperature
Flight Level Air Temperature (deg C)
29 June 2005 – N43RF
2006 IHC – Mobile, Alabama
20Time
- 24 March
2006
(seconds)
SFMR Calibration Flight
Auto Calibration Number
Calibration Number (deg C)
29 June 2005 – N43RF
2006 IHC – Mobile, Alabama
(seconds)
20Time
- 24 March
2006
Calibration Number Residual (deg C)
SFMR Calibration Flight
Auto Calibration Number (cont.)
2006 IHC – Mobile, Alabama
29 June 2005 – N43RF
(seconds)
20Time
- 24 March
2006
SFMR Post Rita Flight
Flight Track
Latitude (degrees)
26 September 2005 – N43RF
2006 IHC – Mobile, Alabama
20 - 24 March(degrees)
2006
Longitude
SFMR Post Rita Flight
Altitude
Altitude (m)
26 September 2005 – N43RF
2006 IHC – Mobile, Alabama
Time (seconds)
20 - 24 March 2006
SFMR Post Rita Flight
Flight Level Wind Speed
Flight Level Wind Speed (m/s)
26 September 2005 – N43RF
2006 IHC – Mobile, Alabama
(seconds)
20Time
- 24 March
2006
SFMR Post Rita Flight
Flight Level Air Temperature
Flight Level Air Temperature (deg C)
26 September 2005 – N43RF
2006 IHC – Mobile, Alabama
20Time
- 24 March
2006
(seconds)
SFMR Post-Rita Flight
Auto Calibration Number
Calibration Number (deg C)
26 September 2005 – N43RF
2006 IHC – Mobile, Alabama
Number
20Sample
- 24 March
2006
SFMR Hurricane Rita Flight
Flight Track
Latitude (degrees)
22 September 2005 – N43RF
2006 IHC – Mobile, Alabama
20 - 24 March(degrees)
2006
Longitude
SFMR Hurricane Rita Flight
Altitude
Altitude (m)
22 September 2005 – N43RF
2006 IHC – Mobile, Alabama
(seconds)
20Time
- 24 March
2006
SFMR Hurricane Rita Flight
Flight Level Wind Speed
Flight Level Wind Speed (m/s)
22 September 2005 – N43RF
2006 IHC – Mobile, Alabama
20Time
- 24 March
2006
(seconds)
SFMR Hurricane Rita Flight
Flight Level Air Temperature
Flight Level Air Temperature (deg C)
22 September 2005 – N43RF
2006 IHC – Mobile, Alabama
20Time
- 24 March
2006
(seconds)
SFMR Hurricane Rita Flight
Auto Calibration Number
Calibration Number (deg C)
22 September 2005 – N43RF
2006 IHC – Mobile, Alabama
20Sample
- 24 MarchNumber
2006
2006 Hurricane Season
Deliverables
Auto Calibration Algorithm & Procedures
Calibration Monitoring Process
Real-time SFMR Product Display Tools
Bathometry Flag
Land Flag
2006 IHC – Mobile, Alabama
20 - 24 March 2006