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 includes 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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    41,951 to 41,960 of 42,449 Results
    Trajectory Learning Using Hierarchy of Oscillatory Modules
    Apr 1, 1993
    Toomarian, N. B.; Baldi, P., 1993, "Trajectory Learning Using Hierarchy of Oscillatory Modules", https://hdl.handle.net/2014/35415, Brussels, Belgium, JPL Open Repository
    To this date, the most successful approaches to learning have been either the back-propagation or gradient descent method.
    GPS Strain Measurement Spectrum and Potential Benefit of Collocation with Modern Broadband Seismographic Network
    Apr 1, 1993
    Tralli, D. M., 1993, "GPS Strain Measurement Spectrum and Potential Benefit of Collocation with Modern Broadband Seismographic Network", https://hdl.handle.net/2014/35408, Ixtapa, Mexico, JPL Open Repository
    No abstract provided
    Application of High Precision Two-Way S-band Ranging to the Navigation of the Galileo Earth Encounters
    Apr 1, 1993
    Pollmeier, V. M; Kallemeyn, P. H.; Thurman, S. W., 1993, "Application of High Precision Two-Way S-band Ranging to the Navigation of the Galileo Earth Encounters", https://hdl.handle.net/2014/35133, Greenbelt, Maryland, USA, JPL Open Repository
    The application of high-accuracy S/S-band (2.1 GHz uplink/2.3 GHz dowlink) ranging to orbit determination with relatively short data arcs is investigated for the approach phase of each of the Galileo spacecraft's two Earth encounters (8 December 1990 and 8 December 1992).
    Terminal Repeller Unconstrained Subenergy Tunneling (TRUST) for Fast Global Optimization
    Apr 1, 1993
    Cetin, B.; Barhen, J.; Burdick, J., 1993, "Terminal Repeller Unconstrained Subenergy Tunneling (TRUST) for Fast Global Optimization", https://hdl.handle.net/2014/35544, Journal of Optimization Theory and Applications, JPL Open Repository
    A new method for unconstrained global function optimization, acronymed TRUST, is introduced.
    Mercury Polar Flyby Mission Design
    Apr 1, 1993
    Yen, Chen-Wan L.; Candice J. Hansen, 1993, "Mercury Polar Flyby Mission Design", https://hdl.handle.net/2014/36023, Laurel, Maryland, JPL Open Repository
    No abstract provided
    A Mission Data Base for Low Cost Missions to Small Bodies in the Solar System
    Apr 1, 1993
    Penzo, P. A., 1993, "A Mission Data Base for Low Cost Missions to Small Bodies in the Solar System", https://hdl.handle.net/2014/36033, Laurel, Maryland, USA, JPL Open Repository
    No abstract provided
    Search for Near-Earth Object with Ground-Based Electro-Optical Deep Space Surveillance (GEODSS) Assets
    Apr 1, 1993
    Helin, Eleanor F., 1993, "Search for Near-Earth Object with Ground-Based Electro-Optical Deep Space Surveillance (GEODSS) Assets", https://hdl.handle.net/2014/35120, ['SDIO-Intrl. Seminar on Planetary Emergencies: Collision of an Asteroid or Comet with Earth', 'Erice, Sicily'], JPL Open Repository
    This is a brief review of recent plans and current status of the adaptation of an Air Force wide field GEODSS telescope for the discovery and follow-up of Near-Earth Objects (NEOs). The proposed search program will focus on the discovery of natural objects and will proceed on a n...
    Spacecraft and Mission Design for the Precision Optical INTerferometer in Space (POINTS)
    Apr 1, 1993
    Schumaker, B.; Agronin, M.; Chen, G.-S.; Ledeboer, W.; Melody, J.; Noon, D.; Ulvestad, J., 1993, "Spacecraft and Mission Design for the Precision Optical INTerferometer in Space (POINTS)", https://hdl.handle.net/2014/35566, Orlando, Florida, USA, JPL Open Repository
    This paper describes key features of the instrument, spacecraft, and mission design for the Precision Optical INTerferometer in Space (POINTS), which have evolved through studies at the Jet Propulsion Laboratory during the last few years. This paper complements others in theis vo...
    Application of the Active Pixel Sensor Concept to Guidance and Navigation
    Apr 1, 1993
    Fossum, Eric R.; Bartman, Randall K.; Eisenman, Allan R., 1993, "Application of the Active Pixel Sensor Concept to Guidance and Navigation", https://hdl.handle.net/2014/35310, ['SPIE: Guidance and Navigation', 'Orlando, FL'], JPL Open Repository
    Charge-coupled devices (CCDs) have been used extensively in the past in star trackers and fine guidance systems. A new technology, the active pixel sensor, is a possible successor to CCDs. This technology potentially features the same sensitivity and performance of the CCD with a...
    Proposed Data Compression Schemes for the Galileo S-Band Contingency Mission
    Mar 30, 1993
    Cheung, K.; Tong, K., 1993, "Proposed Data Compression Schemes for the Galileo S-Band Contingency Mission", https://hdl.handle.net/2014/36702, Snowbird, Utah, USA, JPL Open Repository
    The Galileo spacecraft is currently on its way to Jupiter and its moons. Various options for improving Galileo's telemetry downlink performance are being evaluated. Communicaitons during the Jupiter encounters will be via one of two low gain antennas on an S-band carrier.
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