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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    41,971 to 41,980 of 42,318 Results
    A Hybrid Symmetric FEM/MOM Formulation Applied to Scattering by Inhomogeneous Bodies of Revolution
    Jan 1, 1993
    Hoppe, D. J.; Epp, L. W.; Lee, J-F., 1993, "A Hybrid Symmetric FEM/MOM Formulation Applied to Scattering by Inhomogeneous Bodies of Revolution", https://hdl.handle.net/2014/35479, IEEE Transactions on Antennas and Propagation, JPL Open Repository
    A new symmetric formulation of the Hybrid Finite Element Method (HFEM) is described which combines elements of the Electric Field Integral Equation (EFIE) and the Magnetic Field Integral Equation (MFIE) for the exterior region along with the finite element solution for the interi...
    Extinction of the Dinosuars: Scientific Theory
    Jan 1, 1993
    Moreno, M. A., 1993, "Extinction of the Dinosuars: Scientific Theory", https://hdl.handle.net/2014/35558, UNKNOWN, JPL Open Repository
    Professor Luis Alvarez, a doctor in physics, of the University of California, Berkeley, proposed in 1980 the theory that an asteroid of 10 kilometers in diameter traveling at more than 100,000 kilometers per hour collided with the earth 65 million years ago causing the extenction...
    Instrument Pointing Tracking and Vibration Suppression Using Zero Annihilation Periodic Control
    Jan 1, 1993
    Bayard, D.; Boussalis, D., 1993, "Instrument Pointing Tracking and Vibration Suppression Using Zero Annihilation Periodic Control", https://hdl.handle.net/2014/35809, Optical Engineering, JPL Open Repository
    In Zero Annihilation Periodic control, the control gains vary periodically in time, in sharp contrast to conventional controllers whose control gains are fixed in time.
    Giotto Ion Mass Spectrometer Measurements at Comet P/Grigg-Skjellerup
    Jan 1, 1993
    Goldstein, R.; Goldstein, B. E.; Fuselier, S.; Altwegg, K.; Coates, A.; Neubauer, F. M.; Rosenbauer, H., 1993, "Giotto Ion Mass Spectrometer Measurements at Comet P/Grigg-Skjellerup", https://hdl.handle.net/2014/35863, Journal of Geophysical Research, JPL Open Repository
    The Giotto Ion Mass Spectrometer High Intensity Spectrometer (IMS-HIS) measured fluxes of ions from about 260,000 km before (10:08:37 UT spacecraft time) to about 86,000 km after (17:01:33 UT spacecraft time) closest approach to comet P/Grigg- Skjellerup during the encounter on J...
    ECMWF and SSMI Global Surface Wind Speeds
    Jan 1, 1993
    David Halpern; Anthony Hollingsworth; Frank Wentz, 1993, "ECMWF and SSMI Global Surface Wind Speeds", https://hdl.handle.net/2014/35865, Journal of Atmospheric and Oceanic Technology, JPL Open Repository
    Monthly mean, 2.5 deg - x 2.5 deg-resolution, 10-m height wind speeds from the Special Sensor Microwave Imager (SSMI) instrument and the European Center for Medium-Range Weather Forecasts (ECMWF) forecast-analysis system are compared between 60 deg S and 60 deg N during 1988-1991...
    Analysis and Evaluation of the NASA/JPL TOPSAR Across-Track Interferometric SAR System
    Jan 1, 1993
    Madsen, S.; Martin, J.; Zebker, H., 1993, "Analysis and Evaluation of the NASA/JPL TOPSAR Across-Track Interferometric SAR System", https://hdl.handle.net/2014/36466, JPL Open Repository
    This paper presents a detailed description of horizontal and vertical errors and their characteristics. Also discussed are key factors that presently limit the system performance.
    Consitiutive Equations of Solid Propellants with Volume Dilatation Under Multiaxial Loadings - Part 2. Determination of the Shear Part of the Potential Function in Terms of Volume-Preserved Principal Stretch Ratios
    Jan 1, 1993
    Peng, S. T. J., 1993, "Consitiutive Equations of Solid Propellants with Volume Dilatation Under Multiaxial Loadings - Part 2. Determination of the Shear Part of the Potential Function in Terms of Volume-Preserved Principal Stretch Ratios", https://hdl.handle.net/2014/36451, Huntsville, Alabama, USA, JPL Open Repository
    Solid propellants under tension loading dilate significantly, Therefore, they may be aptly called dilatable materials.
    Increase in Atmospheric Column of CHCIF<sub>2</sub> (HCFC-22) over Southern California from 1985-1990
    Jan 1, 1993
    Irion, F. W.; Brown, M.; Toon, G. C.; Gunson, M. R., 1993, "Increase in Atmospheric Column of CHCIF2 (HCFC-22) over Southern California from 1985-1990", https://hdl.handle.net/2014/36596, UNKNOWN, JPL Open Repository
    Column densities of CHCIF2(HCFC-22) have been measured over Table Mountain Observatory, Wrightwood, CA (34.4N) using the Atmospheric Trace Molecule Spectroscopy(ATMOS)Fourier-transform infrared (FTIR) spectrometer.
    Ground Antennas in NASA's Deep Space Telecommunications
    Jan 1, 1993
    Rafferty, W.; Slobin, S.D.; Stelzried, C.T.; Sue, M.K., 1993, "Ground Antennas in NASA's Deep Space Telecommunications", https://hdl.handle.net/2014/36583, UNKNOWN, JPL Open Repository
    Ground antennas are the major visible components of NASA's Deep Space Network (DSN). The role, key characteristics, and performance of these antennas in deep space telecommunications are described.
    Supervised Autonomy for Space Telerobotics
    Jan 1, 1993
    Backes, P., 1993, "Supervised Autonomy for Space Telerobotics", https://hdl.handle.net/2014/36631, UNKNOWN, JPL Open Repository
    Telerobotics continues to provide a means for extending human presence in space as an integral part of the control architecture of unmanned spacecraft. Supervised autonomy for control of space manipulators provides a safe and effective means for time delayed remote control of unm...
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