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I IASA , A,L ...1 National Aeronaut[C and A,M Space Administration NASA-CR-19410_ JPL Publication93-16 k Proceedings of the Third Spaceborne Imagifig Radar Symposium Held at the Jet Propulsion Laboratory, Pasadena, California, January 18-21,1993 m m _ I _ O 4" m m ! _ _ ,,-_ • oO m ; II I.- 4"I'--U cO i--4 O m ! m N i O i J o') ZZ I--4 ).a May 28, 1993 : UJ w_ i w4. _ O I IASA _ ,_ a,l ...1 National Aeronaut[C_ and _ a,m Space Administration Jet Propulsion Lab6-ratory California Institute of Technology Pasadena, California 41--O z: JPL Publication 93-16 Proceedings of the Third Spaceborne Imaging Radar Symposium Held at the Jet Propulsion Laboratory, Pasadena, California, January 18-21, 1993 May 28,1993 National Aeronautics and -Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Prepared by the Jet Propulsion Laboratory, California Institute of Technology, for the U.S. Department of Energy through an agreement with the National Aeronautics and Space Administration. This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. ABSTRACT This publication contains summaries of the papers presented at the Third Spaceborne Imaging Radar Symposium held at the Jet Propulsion Laboratory (JPL), California Institute of Technology, in Pasadena, California, on January 18-21, 1993. The purpose of the symposium was to present an overview of recent developments in the different scientific and technological fields related to spaceborne imaging radars and to present future international plans. This symposium is the third in a series of "Spaceborne Imaging Radar" symposia held at JPL. The first symposium was held in January 1983 and the second in 1986. ,ow 111 CONTENTS INTRODUCTION .............................................................................................................................. RECENT AND ONGOING FLIGHT MISSIONS ......................................................................... Magellan: Principal Venus Science Findinga ..................................................................... 5/ R. S. Stephen Saunders, Jet Propulsion Laboratory, Pasadena, California, USA ERS-I: 18 Months in Orbit .................................................................................................. 9-2.- J. Louet, European Space Agency, The Netherlands JERS-1 (Not submitted in time for publication) Y. Kasai 53 -3 _MAZ° ........ ooo .......... • ........ °°, ........ o,,oo,, .......... • ............. • ........................................ °° ............... V. Viter, NPO Machinostroyenia, Moscow, Russia APPROVED FLIGHT MISSIONS ................................................................................................. 59 L2_t/T-- Spaceborne Imaging Radar-C Instrument ............................................................................ 61 -y B. L. Huneycutt, Jet Propulsion Laboratory, Pasadena, California, USA X-SAR: The X-Band Synthetic Aperture Radar On Board the Space Shuttle ................... 67 _" M. U. Werner, DLR German Aerospace Research Establishment, Oberpfaffenhofen, Germany ENVISAT ASAR .................................................................................................................... 75 J. Louet, European Space Agency, The Netherlands RADARSAT Program ............................................................................................................ 99 - Z J. McNaUy and S. Parashar, Canadian Space Agency, Ottawa, Ontario, Canada TRMM Radar .......................................................................................................................... 119 _z K. Okamoto, Communications Research Laboratory, Tokyo, Japan RECENT SCIENTIFIC ADVANCES ............................................................................................ 127 _"_J_ _/ / Recent Scientific Advances in the Use of Radar in Scientific Hydrology ............................ 129- _'_ E. T. Engman, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA Driving Terrestrial Ecosystem Models From Space ............................................................ R. H. Waring, Oregon State University, Corvallis, Oregon, USA 143 _]/ Recent Advances in Radar Remote Sensing of Forest ......................................................... T. Le Toan, Centre d'Etude Spatiale des Rayonnements, CNRS / Universitd Paul Sabatier, Toulouse, France Radar Response of Vegetation: An Overview ...................................................................... 151 ', F. T. Ulaby and M. C. Dobson, The University of Michigan, Ann Arbor, Michigan, USA PRE_D_v_ p_P._ _t al_vK N_T _t_ tl_'D V CONTENTS (continued) Oceanography (Not submitted in time for publication) W. Alpers, Institut fur Meereskunde, Universitat Hamburg, Hamburg, Germany Imaging Radar Studies of Polar Ice ...................................................................................... ls5 F. Carsey, Jet Propulsion Laboratory, Pasadena, California, USA Geologic Remote Sensing with Radar ................................................................................... 195 -}_,, - T. G. Farr, Jet Propulsion Laboratory, Pasadena, California, USA RECENT TECHNIQUES ADVANCES .........................................................................................205 -oraL( Application of Cloude's Target Decomposition Theorem f to Polarimetric Imaging Radar Data .................................................................................... 207 -]_ J. J. van Zyl, Jet Propulsion Laboratory, Pasadena, California, USA Multifrequency Observations ............................................................................................... 217-I6 R. Glitz, F. Heel, H. Kietzmann, H. Ottl, and C. Schmullius, DLR (German Space Agency), Oberpfaffenhofen, Germany # The Need for Radar Signature Measurements ..................................................................... A. J. Sieber and C. Lavalle, Institute for Remote Sensing Applications, Ispra, Italy FU2W3REPROGRAMS ..................................................................................................................... 231 _t SIR-C/X-SAR Free Flyer Concept .......................................................................................... 233-/7 R. Monson, National Aeronautics and Space Administration, Washington, DC, USA EOS SAR: A New Approach .................................................................................................9.51-J J. Way, Jet Propulsion Laboratory, Pasadena, California, USA TOPSAT: GlobalSpace TopographicMission.....................................................................2o3- S. Vetrella, University of Naples, Naples, Italy Some Thoughts on Future Rain Mapping Missions (TRMM Follow-On) ........................... 291 _ _ J. S. Theon, National Aeronautics and Space Administration, Washington, DC, USA TECHNOLOGICAL ADVANCES ................................................................................................... Calibration: Practical Experience with ERS-1 ................................................................... 299_2_ ! J. Louet, European Space Agency, The Netherlands Synthetic Aperture Radar Signal Processing: Trends and Technologies ........................... 337 "_fi- J. C. Curlander, Vexcel Corporation, Boulder, Colorado, USA L 'Recent Advances and Plans in Processing and Geocoding of SAR Data at the DFD ........................................................................................................ : W. Noack, DLR German Aerospace Research Establishment, Oberpfaffenhofen, Germany Data Distribution ................................................................................................................... J. E. HiUand, Jet Propulsion Laboratory, Pasadena, California USA vi CONTENTS (continued) 3sl- 5"- SAR Sensor Electronics: T/R Modules ........... :............ --......... ::.:..:..: ...... _'_...... _".......... _'_'_'" M. A. Hasan and A. E. Preyss, General Electric Astro _pace _wzsmn, mew jersey, u_ 403-.= _ (_ Advanced Antennas for SAR Spacecraft ............................................................................... W. B. Gail, Ball Communication Systems Division, Broomfield, Colorado, USA 409" -_ "7 High Resolution SAR Applications and Instrument Design ............................................... C. Dionisio and A_ Torre , Alenia Spazio, Rome, Italy 413 "_ _ / 7"- ADDITIONAL PAPERS .................................................................................................................. A Summary of Microwave Remote Sensing Investigations 415 "o_ Planned for BOREAS ............................................................................................................ K. C. McDonald, Jet Propulsion Laboratory, Pasadena, California, USA 417 _ Spaceborne
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