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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    41,891 to 41,900 of 42,180 Results
    Improved Planar Spiral Transformer Theory Applied to a Miniature Lumped Element Quadrature Hybrid
    Jan 1, 1993
    Hogerheiden, J.; Ciminera, M.; Jue, G., 1993, "Improved Planar Spiral Transformer Theory Applied to a Miniature Lumped Element Quadrature Hybrid", https://hdl.handle.net/2014/36670, IEEE Microwave Theory and Techniques, JPL Open Repository
    A MMIC compatible lumped element model is derived for symmetric width, uniformly coupled transmission lines.
    The Causes of Geomagnetic Storms
    Jan 1, 1993
    Tsurutani, B.; Gonzalez, W., 1993, "The Causes of Geomagnetic Storms", https://hdl.handle.net/2014/35152, JPL Open Repository
    This paper reviews the correlation between solar flares and geomagnetic storms ??e plasma link between the Sun and the Earth.
    Numerical Solution of Wave Equations for the Stability of Inner Cometo-Sheath
    Jan 1, 1993
    Srivastava, K.; Tsurutani, B.; Goldstein, B., 1993, "Numerical Solution of Wave Equations for the Stability of Inner Cometo-Sheath", https://hdl.handle.net/2014/34851, UNKNOWN, JPL Open Repository
    Numerical solution of the MHD wave equations for stability of the cometary sheath determined by the balance between the inward Lorentz body force and the outward ion-neutral drag force is obtained by using a two-point boundary value method.
    Fring Visibility and Phase Measurements
    Jan 1, 1993
    Shao, M., 1993, "Fring Visibility and Phase Measurements", https://hdl.handle.net/2014/35205, n/a, JPL Open Repository
    At optical wavelengths there are a wide variety of techniques to detect interference fringes
    Alkaline Earth Core Level Photoemission Spectroscopy of High-Temperature Superconductors
    Jan 1, 1993
    Vasquez, R., 1993, "Alkaline Earth Core Level Photoemission Spectroscopy of High-Temperature Superconductors", https://hdl.handle.net/2014/35250, JPL Open Repository
    This paper examines photoemission measurements of the alkaline Earth core levels of high-temperature superconductors and related materials, models that seek to explain the large negative shifts observed relative to the corresponding alkaline Earth metals, and the effect of lattic...
    An Approach for Averaging Surface Temperature and Surface Fluxes Over Heterogeneous Terrain
    Jan 1, 1993
    Chehbouni, A.; Njoku, E. G.; Lhomme, J. P.; Kerr, Y. H., 1993, "An Approach for Averaging Surface Temperature and Surface Fluxes Over Heterogeneous Terrain", https://hdl.handle.net/2014/35653, n/a, JPL Open Repository
    Successful prediction of possible climate change depends on realistic parameterizations of land-surface processes in climate models.
    The Galileo Encounter with Venus
    Jan 1, 1993
    Carlson, R. W.; Taylor, F. W., 1993, "The Galileo Encounter with Venus", https://hdl.handle.net/2014/35738, n/a, JPL Open Repository
    No abstract provided
    Beam-Waveguide Antenna Servo Design Issues for Tracking Low-Earth-Orbiting Satellites
    Jan 1, 1993
    Gawronski, W.; Mellstrom, J. A., 1993, "Beam-Waveguide Antenna Servo Design Issues for Tracking Low-Earth-Orbiting Satellites", https://hdl.handle.net/2014/35768, Journal of Guidance, Control and Dynamics, JPL Open Repository
    The upcoming NASA missions will require tracking of low-orbit satellites. As a consequence, NASA antennas will be required to track satellites at higher rates than for the current deep space missions. This paper investigates servo design issues for the 34-m beam-waveguide (BWG) a...
    Adaptive Space Structures
    Jan 1, 1993
    Wada, B., 1993, "Adaptive Space Structures", https://hdl.handle.net/2014/35806, McGraw-Hill Yearbook of Science and Technology, JPL Open Repository
    The term adaptive structures refers to a structural control approach in which sensors, actuators, electronics, materials, structures, structural concepts, and system-performance-validation strategies are integrated to achieve specific objectives.
    Thermal Imbalance Force Modeling for GPS Satellites Using the Finite Element Method
    Jan 1, 1993
    Vigue, Y.; Schutz, B.; Abusali, P., 1993, "Thermal Imbalance Force Modeling for GPS Satellites Using the Finite Element Method", https://hdl.handle.net/2014/35893, JPL Open Repository
    This paper presents methods of analyzing the perturbation due to thermal radiation and determining its effects on the long term orbital behavior of GPS satellites.
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