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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    83,921 to 83,930 of 84,745 Results
    On Evaluating The Accuracy of SAR Sea-Ice Classification Using Multifrequency Polarimetric Airsar Data
    Jul 12, 1993
    Drinkwater, Mark R.; Rignot, Eric, 1993, "On Evaluating The Accuracy of SAR Sea-Ice Classification Using Multifrequency Polarimetric Airsar Data", https://hdl.handle.net/2014/35365, Pasadena, California, USA, JPL Open Repository
    No abstract provided
    Probe Compensation in Cylindrical Near-Field Scanning: A Novel Simulation Methodology
    Jul 12, 1993
    Hussein, Z. A.; Rahmat-Samii, Y, 1993, "Probe Compensation in Cylindrical Near-Field Scanning: A Novel Simulation Methodology", https://hdl.handle.net/2014/34850, ['Progress in Electromagnetic Research Symposium: Progress in Electromagnetic Research', 'Pasadena, CA'], JPL Open Repository
    Probe pattern compensation is essential in near-field scanning geometry, where there is a greatneed to accurately know far-field pattern at wide angular range. This paper focuses on a novelformulation and computer simulation to determine the precise need for and effect of probeco...
    Modifications to the Three-Component Classification Algorithm for SAR Data
    Jul 12, 1993
    Moghaddam, M.; Freeman, A., 1993, "Modifications to the Three-Component Classification Algorithm for SAR Data", https://hdl.handle.net/2014/35386, Pasaenda, California, USA, JPL Open Repository
    No abstract provided
    (abstract) Development of Sorbent Bed Assembly for a Periodic 10K Solid Hydrogen Cryocooler
    Jul 12, 1993
    Wade, L.A.; Bowman, R. C. Jr.; Gilkinson, D.R.; Sywulka, P.H., 1993, "(abstract) Development of Sorbent Bed Assembly for a Periodic 10K Solid Hydrogen Cryocooler", https://hdl.handle.net/2014/35397, Albuquerque, NM, JPL Open Repository
    A closed-cycle 10K sorption cryocooler is being fabricated for microgravity testing during a future space shuttle mission. A critical component of this cryogenic refrigerator is the metal hydride sorbent bed assembly (SBA). The SBA uses hydrides which absorb hydrogen gas at low p...
    A General Rogh-Surface Inversion Algorithm: Theory and Application to SAR Data
    Jul 12, 1993
    Moghaddam, M., 1993, "A General Rogh-Surface Inversion Algorithm: Theory and Application to SAR Data", https://hdl.handle.net/2014/35385, JPL/Caltech, Pasadena, California, USA, JPL Open Repository
    This paper discusses the small perturbation model (SPM) used to express backscattering coefficients of the rough surface.
    GEWEX Modeling Program
    Jul 11, 1993
    Chahine, Moustafa T., 1993, "GEWEX Modeling Program", https://hdl.handle.net/2014/34795, Yokohama, Japan, JPL Open Repository
    No abstract provided
    Image Database Exploration: Progress and Challenges
    Jul 11, 1993
    Fayyad, U.; Smyth, P., 1993, "Image Database Exploration: Progress and Challenges", https://hdl.handle.net/2014/35058, Washington, D.C., USA, JPL Open Repository
    In this paper we discuss the general problem of automated image database exploration, the particular aspects of image databases which distinguish them from other databases, and how this impacts the application of off-the-shelf learning algorithms to problems of this nature. Curre...
    Automated Analysis of a Large-Scale Sky Survey: The SKICAT System
    Jul 11, 1993
    Fayyad, U.; Weir, N.; Djorgovski, S., 1993, "Automated Analysis of a Large-Scale Sky Survey: The SKICAT System", https://hdl.handle.net/2014/35059, Washington, D.C., USA, JPL Open Repository
    We describe the application of decision tree based classification techniques to the development of an automated tool for the reduction of a large scientific data set. The primary benefits of the SKICAT approach are increased data reduction throughput, repeatability, and consisten...
    The Wide-Field Infrared Explorer
    Jul 11, 1993
    Schember, Helene; Hacking, Perry, 1993, "The Wide-Field Infrared Explorer", https://hdl.handle.net/2014/35427, San Diego, California, USA, JPL Open Repository
    More than 30% of current star formation is taking place ingalaxies known as starburst galaxies. Do starburst galaxies play a central role in the evolution of all galaxies, and can they lead us to the birth of galaxies and the source of quasars? We have proposed to build the Wide...
    Photorefractive Semiconductors and Applications
    Jul 11, 1993
    Chen, Li-Jen; Luke, Keung L., 1993, "Photorefractive Semiconductors and Applications", https://hdl.handle.net/2014/35716, San Diego, California, USA, JPL Open Repository
    Photorefractive semiconductors are attractive for information processing, becuase of fast material response, compatibility with semiconductor lasers, and availability of cross polarization diffraction for enhancing signal-to-noise ration. This paper presents recent experimental r...
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