From a Real Pencil to a Synthetic Broom: The Past, Present and Future of HIRAD Chris Ruf Space Physics Research Laboratory...
The Prehistoric Past The Stepped Frequency Microwave Radiometer (SFMR)
NOAA Hurricane Research Division  Stepped Frequency Microwave Radiometer Horn Antenna SFMR electronics SFMR wing pod SFMR ...
Brightness Temperature Spectra  for SFMR Hurricane Katrina Overpass
Retrieved Wind Speed & Rain Rate for SFMR Katrina Overpass Wind Speed Rain Rate
Jones  et al ., Science, vol. 214, 1981.
Jones  et al ., Science, vol. 214, 1981.
The Recent Past Birth of the HIRAD Project
Timeline for the Hurricane Imaging Radiometer (HIRAD) <ul><li>Phase 1 (2001) NASA Langley IRAD project “Design Study of a ...
Timeline for the Hurricane Imaging Radiometer (HIRAD) <ul><li>Phase 2 (2003) NASA Langley IRAD project develops multi-freq...
Timeline for the Hurricane Imaging Radiometer (HIRAD) <ul><li>Phase 3 (2006) NASA Marshall/UAH IRAD project begins airborn...
Fourier Synthesis Synthetic Aperture Measurement Concept Interferometer as  Spatial Frequency Filter
HIRAD Instrument Design Summary <ul><li>Antenna   </li></ul><ul><ul><li>Multi-resonant planar microstrip patch array </li>...
HIRAD Planar Antenna Array <ul><li>10 active rows of 16-element multi-resonant patch antennas </li></ul>
HIRAD Functional Block Diagram
The Present HIRAD System Integration and Test and  First Engineering Test Flights
Interference Pattern Measurements to Derive Imaging Impulse Response
April 2010 Anechoic Chamber Results  5 GHz Element and Interference Patterns
5 GHz Synthesized Antenna Patterns at -60 deg, nadir, +60 deg
Nadir Mainbeams  of all 4 Synthesized Antenna Patterns nadir HPBW 4 GHz 3.2 deg 5 GHz 2.6 deg 6 GHz 2.4 deg 6.6 GHz 2.3 deg
HIRAD Integration on WB-57 March 2010
HIRAD WB-57 flights  on 9 and 11 Mar 2010 11 Mar flight 9 Mar flight First look
9 Mar 2010 HIRAD WB-57 flight TB @ 5 GHz during coastal crossing flight line
The Future HIRAD participation in Genesis and Rapid Intensification Process (GRIP) (Fall 2010) and Airborne Venture-class ...
<ul><li>The moral of the story is… </li></ul><ul><li>“ Patience, perseverance  </li></ul><ul><li>and knowing the right peo...
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TU4.L10 - FROM A REAL PENCIL TO A SYNTHETIC BROOM: THE PAST, PRESENT AND FUTURE OF HIRAD

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TU4.L10 - FROM A REAL PENCIL TO A SYNTHETIC BROOM: THE PAST, PRESENT AND FUTURE OF HIRAD

  1. 1. From a Real Pencil to a Synthetic Broom: The Past, Present and Future of HIRAD Chris Ruf Space Physics Research Laboratory AOSS Dept. University of Michigan and a large team of collaborators at NASA Marshall, the University of Central Florida, the University of Michigan, and the NOAA Hurricane Research Division IGARSS 2010 Honolulu, HI USA 26-30 July 2010 Univ. of Michigan Univ. of Alabama/Huntsville Univ. of Central Florida NASA NOAA
  2. 2. The Prehistoric Past The Stepped Frequency Microwave Radiometer (SFMR)
  3. 3. NOAA Hurricane Research Division Stepped Frequency Microwave Radiometer Horn Antenna SFMR electronics SFMR wing pod SFMR on NOAA WP3D Aircraft Wide band (4.6 - 7.2 GHz) receiver
  4. 4. Brightness Temperature Spectra for SFMR Hurricane Katrina Overpass
  5. 5. Retrieved Wind Speed & Rain Rate for SFMR Katrina Overpass Wind Speed Rain Rate
  6. 6. Jones et al ., Science, vol. 214, 1981.
  7. 7. Jones et al ., Science, vol. 214, 1981.
  8. 8. The Recent Past Birth of the HIRAD Project
  9. 9. Timeline for the Hurricane Imaging Radiometer (HIRAD) <ul><li>Phase 1 (2001) NASA Langley IRAD project “Design Study of a Synthetic Thinned Aperture Radiometer for Hurricane Impact Prediction” </li></ul><ul><ul><li>NASA Project Manager: Jimmy Johnson </li></ul></ul><ul><ul><li>Science Lead Investigator: Linwood Jones </li></ul></ul><ul><ul><li>Jones, W.L., J. Zec, J.W. Johnson, C. S. Ruf and M.C. Bailey, “A Feasibility Study for a Wide-Swath, High Resolution, Airborne Microwave Radiometer for Operational Hurricane Measurements,” Proc. of the 56th Interdepartmental Hurricane Conference, New Orleans, LA, 2002. </li></ul></ul>
  10. 10. Timeline for the Hurricane Imaging Radiometer (HIRAD) <ul><li>Phase 2 (2003) NASA Langley IRAD project develops multi-frequency stacked patch microstrip array </li></ul><ul><ul><li>NASA Project Manager: Jimmy Johnson </li></ul></ul><ul><ul><li>Science Lead Investigator: Linwood Jones </li></ul></ul><ul><ul><li>Antenna Design Engineer: M.C. Bailey </li></ul></ul><ul><ul><li>Jones, W.L., J.W. Johnson, C. S. Ruf and M.C. Bailey, “Hurricane Imaging Microwave Radiometer for Operational Satellite Hurricane Measurements,” presented at 58th Interdepartmental Hurricane Conference, Charleston, SC, 2004. </li></ul></ul>
  11. 11. Timeline for the Hurricane Imaging Radiometer (HIRAD) <ul><li>Phase 3 (2006) NASA Marshall/UAH IRAD project begins airborne HIRAD development </li></ul><ul><ul><li>NASA Project Lead: Robbie Hood </li></ul></ul><ul><ul><li>HIRAD liaison to NASA: Linwood Jones </li></ul></ul><ul><li>Phase 4 (2008) NOAA SBIR develops multi-frequency correlating receivers for airborne HIRAD </li></ul><ul><ul><li>Receiver Supplier: ProSensing, Inc.(also SFMR supplier) </li></ul></ul><ul><ul><li>HIRAD liaison to NOAA: Linwood Jones </li></ul></ul><ul><li>Phase 5 (2010) Aircraft I&T and test flights </li></ul><ul><li>Phase 6 (2010 – …) Science campaigns </li></ul>
  12. 12. Fourier Synthesis Synthetic Aperture Measurement Concept Interferometer as Spatial Frequency Filter
  13. 13. HIRAD Instrument Design Summary <ul><li>Antenna </li></ul><ul><ul><li>Multi-resonant planar microstrip patch array </li></ul></ul><ul><li>Receivers </li></ul><ul><ul><li>Correlating interferometer pairs with stepped frequency LO heritage from SFMR </li></ul></ul>
  14. 14. HIRAD Planar Antenna Array <ul><li>10 active rows of 16-element multi-resonant patch antennas </li></ul>
  15. 15. HIRAD Functional Block Diagram
  16. 16. The Present HIRAD System Integration and Test and First Engineering Test Flights
  17. 17. Interference Pattern Measurements to Derive Imaging Impulse Response
  18. 18. April 2010 Anechoic Chamber Results 5 GHz Element and Interference Patterns
  19. 19. 5 GHz Synthesized Antenna Patterns at -60 deg, nadir, +60 deg
  20. 20. Nadir Mainbeams of all 4 Synthesized Antenna Patterns nadir HPBW 4 GHz 3.2 deg 5 GHz 2.6 deg 6 GHz 2.4 deg 6.6 GHz 2.3 deg
  21. 21. HIRAD Integration on WB-57 March 2010
  22. 22. HIRAD WB-57 flights on 9 and 11 Mar 2010 11 Mar flight 9 Mar flight First look
  23. 23. 9 Mar 2010 HIRAD WB-57 flight TB @ 5 GHz during coastal crossing flight line
  24. 24. The Future HIRAD participation in Genesis and Rapid Intensification Process (GRIP) (Fall 2010) and Airborne Venture-class mission “Hurricane and Severe Storm Sentinel”, Scott Braun (PI) (2011-2016)
  25. 25. <ul><li>The moral of the story is… </li></ul><ul><li>“ Patience, perseverance </li></ul><ul><li>and knowing the right people </li></ul><ul><li>make projects happen” </li></ul><ul><li>Thanks, Linwood! </li></ul>

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