The JPL Open Repository (JOR) replaced the JPL Technical Report Server (TRS) in 2023. It is a repository for digital copies of technical publications authored by JPL employees. It includes journal articles (the Final Accepted Version), meeting papers, presentations, and other publications cleared for external distribution from 1992 to the present. It also include research datasets from 2022 on.

Years covered: 1992 to the present.
  • 1992-2021 records were originally on the JPL Technical Report Server (TRS) on Dspace system; those records were migrated to Dataverse in 2022.
  • Records with publication date 2022 or later are native to the Dataverse.
  • Data sets: 2022 to present
  • There are a few pre-1992 records. Those were added to the system on a case-by-case request basis.

  • Persistent IDs (PIDs):
  • 1992-2021 records have Handles
  • 2022 and later records have Digital Object Identifiers (DOIs).
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    83,791 to 83,800 of 84,430 Results
    Hop Timing Estimation for Noncoherent Frequency-Hopped
    May 10, 1993
    Simon, Marvin K.; Cheng, Unjeng; Levitt, Barry K., 1993, "Hop Timing Estimation for Noncoherent Frequency-Hopped", https://hdl.handle.net/2014/35372, USA, JPL Open Repository
    The optimum hop timing estimator (based on likelihood-ratio (LR)) theory is derived for noncoherent slow and fast frequency-hopped M-FSK intercept receivers.
    Thin Film GaAs For Space--Moving Out of the Laboratory
    May 10, 1993
    Stella, Paul M.; Kurland, Richard M.; Mesch, Hans G., 1993, "Thin Film GaAs For Space--Moving Out of the Laboratory", https://hdl.handle.net/2014/35315, Louisville, KY, USA, JPL Open Repository
    In 1991, NASA-JPL completed the APSA (Advanced Photovoltaic Solar Array) program, demonstrating a lightweight deployable flexible array wing capable of 130 W/kg specific performance, a substantial improvement over convetional flight hardware. The design was based on the use of th...
    A Parallel Toolset for Intervisibility Analysis
    May 10, 1993
    Kreitzberg, T., 1993, "A Parallel Toolset for Intervisibility Analysis", https://hdl.handle.net/2014/34824, ['North American Transputer Users Group', 'Vancouver, British Columbia, Canada'], JPL Open Repository
    The ability to determine line-of-sight over a digital elevation model is usefull in a variety of fields.
    Nonlinear Barotropic Instability in the Stratosphere
    May 10, 1993
    Manney, G., 1993, "Nonlinear Barotropic Instability in the Stratosphere", https://hdl.handle.net/2014/34926, ['American Meteorological Society', 'San Antonio, Texas, USA'], JPL Open Repository
    A number of linear studies suggest that some planetary scale waves in the stratosphere may arise from barotropic instability; the behavior of these barotropic modes at finite amplitudes has not previously been explored.
    Dimensional Stability of Metallized and Nonmetallized Polymeric Composites
    May 10, 1993
    O'Donnell, T.; Lewis, D.; Clark, M.; Dolgin, B.; Sokolowski, W., 1993, "Dimensional Stability of Metallized and Nonmetallized Polymeric Composites", https://hdl.handle.net/2014/35251, ['Society for the Advancement of Material and Process Engineering', 'Anaheim, California, USA'], JPL Open Repository
    The effects of various time, temperature, vacuum, and moisture environments on four types of metallized and bare graphite/epoxy, bare graphite/peek samples, and a coated graphite/cyanate ester sample were evaluated.
    A Survey and Experimental Evaluation of Proximity Sensors for Space Robotics
    May 8, 1993
    Volpe, Richard, 1993, "A Survey and Experimental Evaluation of Proximity Sensors for Space Robotics", https://hdl.handle.net/2014/36350, San Diego, California, USA, JPL Open Repository
    This paper provides an overview of our selction process for proximity sensors for manipulator collison avoidance. Five categories of sensors have been considered for this use in space operations: Intensity of reflection, triangulation, time of flight, capacitive, and iductive.
    Sub-Daily Northern Hemisphere Ionospheric Maps Using the IGS GPS Network
    May 4, 1993
    Wilson, Brian D.; Mannucci, Anthony J.; Edwards, Charles D., 1993, "Sub-Daily Northern Hemisphere Ionospheric Maps Using the IGS GPS Network", https://hdl.handle.net/2014/35118, Alexandria, VA, JPL Open Repository
    Ionospheric total electron content (TEC) data derived from dual-frequency GPS signals from 30 globally distributed IGS network sites are fit to a simple ionospheric shell model, yielding, simultaneously, values for the satellite and receiver biases, and a map of the ionosphere in...
    Solar Pioneer Mission Options
    May 3, 1993
    Kerridge, S. R.; Evans, M.; Tsurutani, B., 1993, "Solar Pioneer Mission Options", https://hdl.handle.net/2014/35383, Wiesbaden, Germany, JPL Open Repository
    No abstract provided
    GPS Instrument Development at JPL; Current and Future Receiver Concepts for High Accurasy Measurements
    May 3, 1993
    Mehan, T.K., 1993, "GPS Instrument Development at JPL; Current and Future Receiver Concepts for High Accurasy Measurements", https://hdl.handle.net/2014/35087, Weisbaden, Germany, JPL Open Repository
    No abstract provided
    (abstract) Geology of the Venera and Vega Landing Sites
    May 3, 1993
    Weitz, C.M.; Basilevsky, A.T., 1993, "(abstract) Geology of the Venera and Vega Landing Sites", https://hdl.handle.net/2014/35160, Wiesbaden, Germany, JPL Open Repository
    Geologic mapping of the seven Venera/Vega landing sites (radius of error = 150 km) using Magellan data has shown that the dominant type of terrain at these sites is plains. At the Venera 8 and 13 sites, where a nontholeiitic composition was measured for the surface material, the...
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