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SAR Application Policy Study : Analysis of SAR-Related Journal Papers

SAR Application Policy Study : Analysis of SAR-Related Journal Papers. Hoonyol Lee Department of Geophysics Kangwon National University Email: hoonyol@kangwon.ac.kr. SAR Application Policy Study. Contract: KARI – KNU Period: January – December 2005

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SAR Application Policy Study : Analysis of SAR-Related Journal Papers

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  1. SAR Application Policy Study :Analysis of SAR-Related Journal Papers Hoonyol Lee Department of Geophysics Kangwon National University Email: hoonyol@kangwon.ac.kr

  2. SAR Application Policy Study • Contract: KARI – KNU • Period: January – December 2005 • A policy study to analyze the history, current trends and future of SAR systems, technologies, and application fields. • A Korean SAR satellite(2008) ISRS2005, Jeju, Korea, 12-14 October 2005

  3. Procedure Paper Abstract Collection Category Setup and Work Plan 1st Classification 2nd Classification Statistics Analysis of SAR-related Journal Papers ISRS2005, Jeju, Korea, 12-14 October 2005

  4. Paper Abstract Collection • Cambridge Scientific Abstracts (KNU license) • Index and abstract of almost all journal papers • http://www.consortia.co.kr/csa/ • Peer-reviewed, English journal papers • Earliest to 2005 • Keyword: “Synthetic Aperture Radar” (2839 papers selected) • www.refworks.com (KNU license) • Remove duplicates and convert to Excel format (2733) • Automatic Sorting -> failed. Need experts’ analysis ISRS2005, Jeju, Korea, 12-14 October 2005

  5. Classification and Statistics • 1st Classification • Period: May-June 2005 • Material: Indexes and abstracts of 2733 selected papers • Experts: SNU – D. J. Kim(700), S. E. Park(700), and S. H. Hong(700) KNU – H. S. Chae (633) • 2nd Classification and Statistics • Period: July-August 2005 • Resorting and Tuning (Final 2665 papers ) • Statistical Analysis ISRS2005, Jeju, Korea, 12-14 October 2005

  6. 243 Journals • 2665 Papers • 57% in top 5 Journals ISRS2005, Jeju, Korea, 12-14 October 2005

  7. Yearly Productivity ISRS2005, Jeju, Korea, 12-14 October 2005

  8. Classification (STAR) • System: Sensor-based systems • Technology • General SAR: amplitude only • Advanced SAR: amplitude and phase • Application • Land • Ocean • Cryosphere • Atmosphere • Recommended or Review Papers ISRS2005, Jeju, Korea, 12-14 October 2005

  9. System: Mode-based • Target – the Earth or planets • Vehicle – stationary, airborne, satellite, shuttle or spaceship • Mode – monostatic or bistatic • Carrier frequency – X, C, S, L, or P bands • Polarisation – HH, VV, VH, HV (single-pol, dual-pol, full-pol) • Imaging mode– strip, scan, spot • <examples> • SIR-C/X-SAR: Earth, shuttle, monostatic, L/C/X, full-pol, strip. • ERS-1/2: Earth, satellite, monostatic, C, VV, strip • SRTM: Earth, shuttle, bistatic, C/X, HH/VV, strip • Arecibo Antenna: planet, stationary, monostatic, multi-bands, multi-pol, strip/spot • Magellan, Cassini SAR: planet, spaceship, monostatic, S, HH, strip • AIRSAR/TOPSAR: earth, airborne, mono/bi, L/C/P, full-pol, strip ISRS2005, Jeju, Korea, 12-14 October 2005

  10. System: Vehicle-based • Spaceborne SAR • 1st Generation: Single frequency, polarization and mode. SEASAT-A (USA, 1978), SIR-A (USA, 1981), SIR-B (USA, 1984), SIR-C/X-SAR (USA, Germany, Italy, 1994), ALMAZ-1 (Russia, 1991-1993), ERS-1(EU, 1991-2000), ERS-2 (EU, 1995-), JERS-1 (Japan, 1992-1998), Radarsat-1 (Canada, 1995-), SRTM (USA/Germany, 2000) • 2nd Generation: Dual or quad-pol, multi-mode. ENVISAT (EU, 2002), RADARSAT-2 (Canada, 2005), PALSAR (Japan, 2005), TerraSAR(DLR, 2005),TanDEM-X(DLR, 2008) • Next Generation: light, constellation, real-time earth observation LightSAR (US), MicroSAR(EU), Military SAR systems • Airborne SAR • TOPSAR (JPL, USA), IFSARE(ERIM/Intermap, USA), DO-SAR(Donier,Germany), E-SAR(DLR, Germany), AeS-1(Aerosensing, Germany), AER-II (FGAN, Germany), C/X-SAR (CCRS, Canada), EMISAR (Denmark), Ramses (ONERA, France), ESR (DERA, UK) • Planetary SAR • Magellan (US, 1990-1994), Titan Radar Mapper (US, 1997-2004-), Arecibo Antenna, Goldstone antenna ISRS2005, Jeju, Korea, 12-14 October 2005

  11. System • Seasat • ERS-1/2 • Radarsat-1 • Jers-1 • Envisat • Shuttle : SIR-A, SIR-B, SRTM • Airborne • Planetary: Radio Telescope, Magellan SAR, Cassini SAR • Ground/ISAR: Ground-based SAR, Ship-borne SAR • Simulated SAR: SAR Simulation • ETC: Almaz, SAS, Receiving System, etc. ISRS2005, Jeju, Korea, 12-14 October 2005

  12. ISRS2005, Jeju, Korea, 12-14 October 2005

  13. Technology • SAR Basics • SAR General: visual interpretation with SAR amplitude images • SAR Algorithm: modeling, target detection, or parameter extraction • SAR System/Processing: SAR focusing, speckle filter, calibration, new technology • SAR Classification: Thematic Mapping, Feature extraction • Advanced Technology • Radarclinometry: Shape-from-shading. • Radargrammetry: Same-side or Opposite-side Stereo SAR. • InSAR DEM: Interferometric SAR processing, Phase unwrapping, DEM generation. • InSAR Coherence: Change detection, decorrelation, coherence estimation. • DInSAR: Differential InSAR, Surface deformation. • PSInSAR: Permanent Scatter InSAR. • PolSAR: Polarimetric SAR, Classification, Decomposition. • Pol-InSAR: Polarimetric and Interferometric SAR. • Tomography: 3D modelling. • ATI: Along Track Interferometry, target velocity extraction. ISRS2005, Jeju, Korea, 12-14 October 2005

  14. ISRS2005, Jeju, Korea, 12-14 October 2005

  15. ISRS2005, Jeju, Korea, 12-14 October 2005

  16. Application • Land • Terrestrial Research • Ocean • Oceanic Research • Cryosphere: • Arctic/Antaractic Research • Atmosphere • atmospheric Research ISRS2005, Jeju, Korea, 12-14 October 2005

  17. ISRS2005, Jeju, Korea, 12-14 October 2005

  18. Application - Land • Agriculture: Agricultural crop, vegetation, trees. Agricultural soil -> Soil. • Archeology/Subsurface: Subsurface penetration, paleo-channel, landmine. • Topography: DEM from InSAR, radargrammetry, and radarclinometry. Slope angle from PolSAR. • Forestry: Forest, biomass, vegetation. forest fire, deforestation. Crop -> agriculture. • Geology: Lithology, structural mapping, geomorphology, mineral exploration, lineament • Geotectonics: Tectonic motion, subsidence, land slide, tectonic strain. • Hydrology: Rivers. lakes, limnology, flood, snow, ice. • Seismology: Earthquake displacement. • Soil: Soil moisture, soil type (natural or agricultural) • Volcanology: Volcanic morphology, swell, subsidence, lava flow, eruption. • Urban/Manmade: Urban area mapping. Target, building, power line detection. foliage/snow penetrating target detection. • Thematic Mapping: Land cover of composite surface. Classification of various surface type ISRS2005, Jeju, Korea, 12-14 October 2005

  19. ISRS2005, Jeju, Korea, 12-14 October 2005

  20. Application – Ocean • Wind: Wind speed and direction measurement from capillary or gravity wave by backscattering coefficient. Comparison study with scatterometer. • Surface Wave: Wave caused by wind, bathymetry, etc. wave spectra. The waves visible in SAR resolution. • Internal Wave: surface imprint of internal wave. • Current: Eddies, upwelling, current, frontal system • Bathymetry: subwater topography from wind/wave/tide pattern. • Slick: Oil slick, biological film • Ship: Ship detection, ship wake • Intertidal/Coastal: Intertidal zone, coastal zone. but tidal wave -> surface wave • Ocean surface imprint of atmospheric wave or front -> atmosphere ISRS2005, Jeju, Korea, 12-14 October 2005

  21. ISRS2005, Jeju, Korea, 12-14 October 2005

  22. Application - Cryosphere • Glaciers: Glacier motion, Glacier snow cover, Glacier retreat/expansion. • Sea Ice: Sea ice type, first year ice, multi-year ice, pressure ridge, lead, polynya, floe, Iceberg, sea ice snow cover. • Ice Sheet/Ice Shelf: Continental ice cap, ice stream, ice sheet motion, topography, hinge-line of ice shelf, snow on ice sheet/ice shelf. • Snow over sea ice, glaciers, ice sheet/Ice shelf -> Cryosphere. • Snow and ice on non-polar region -> Land-Hydrology. ISRS2005, Jeju, Korea, 12-14 October 2005

  23. ISRS2005, Jeju, Korea, 12-14 October 2005

  24. Application – Atmosphere • SAR Amplitude: Weather systems imprinted on ocean surface. Storm, rain, wind, weather front, atmospheric lee wave, marine atmospheric boundary layer, vortex, solitons, atmospheric gravity wave. • SAR Phase: atmospheric delay or refraction of radar signal by water vapour, ionosphere, etc. ISRS2005, Jeju, Korea, 12-14 October 2005

  25. ISRS2005, Jeju, Korea, 12-14 October 2005

  26. Recommended or Review Papers • Selected during 1st and 2nd Classification Procedure • Recommended by AdCom Members • Recommended by SAR Census • Will be presented as Appendix Classification AdCom Census Selection ISRS2005, Jeju, Korea, 12-14 October 2005

  27. Internet Censusfor SAR Application Policy Study • 1-31 Oct. 2005 • RS/GIS Lab, KNU (sar.kangwon.ac.kr) • KARI (krsc.kari.re.kr) ISRS2005, Jeju, Korea, 12-14 October 2005

  28. Thank You

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