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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    41,871 to 41,880 of 41,975 Results
    Ultra-High Spectral Resolution Observations of Fragmentation in Dark Cloud Cores
    Jan 1, 1993
    Velusamy, T.; Langer, W.; Kuiper, T; Levin, S.; Olsen, E., 1993, "Ultra-High Spectral Resolution Observations of Fragmentation in Dark Cloud Cores", https://hdl.handle.net/2014/35820, JPL Open Repository
    This paper presents new evidence of the fragmentary structure of dense cores in dark clouds using the high resolution spectra of the carbon chain molecule CCS transition (J subscript N = 2 subscript 1 - 1 subscript o) at 22.344033 GHz with 0.008 km s superscript -1 resolution.
    Nondestructive Characterization of Composite Materials
    Jan 1, 1993
    Bar-Cohen, Y., 1993, "Nondestructive Characterization of Composite Materials", https://hdl.handle.net/2014/35899, UNKNOWN, JPL Open Repository
    Increasingly, composite materials are applied to fracture-critical structures of aircraft and spacecraft...Ultrasonics offer the most capable inspection technology and recently developed techniques appear to improve this technology significantly... Recent progress in ultrasonic N...
    Development of the Secon Generation Wide Field and Planetary Camera for Hubble Space Telescope
    Jan 1, 1993
    Vaughan, A.; Rodgers, D., 1993, "Development of the Secon Generation Wide Field and Planetary Camera for Hubble Space Telescope", https://hdl.handle.net/2014/35897, JPL Open Repository
    This paper describes the history of the development of the optical system for WFPC-2.
    Magnetic Field Structure in Monoceros R2
    Jan 1, 1993
    Jarrett, T.H.; Novak, G.; Xie, T.; Goldsmith, P.F., 1993, "Magnetic Field Structure in Monoceros R2", https://hdl.handle.net/2014/36041, Astrophysical Journal, JPL Open Repository
    For some time now it has been suspected that magnetic fields play a major role in determining the mass spectrum of stars formed in molecular clouds. Theoretical models of protostellar evolution in a quiescent environment invoke magnetic fields as one form of cloud support and one...
    High-Order Multivariable Transfer Function Curve Fitting: Algorithms, Space Matrix Methods and Experimental Results
    Jan 1, 1993
    Bayard, D., 1993, "High-Order Multivariable Transfer Function Curve Fitting: Algorithms, Space Matrix Methods and Experimental Results", https://hdl.handle.net/2014/36268, Pergamon Press Ltd, Automatica, JPL Open Repository
    This paper develops a computational approach to multivariable frequency domain curve fitting, based on 2-norm minimization.
    Balloon Profiles of Stratospheric NO<sub>2</sub> and HNO<sub>3</sub> for Testing the Heterogeneous Hydrolysis of N<sub>2</sub>O<sub>5</sub> on Sulfate Aerosols
    Jan 1, 1993
    Webster, C.R.; May, R.D.; Allen, M.; Jaegle, L.; McCormick, M.P., 1993, "Balloon Profiles of Stratospheric NO2 and HNO3 for Testing the Heterogeneous Hydrolysis of N2O5 on Sulfate Aerosols", https://hdl.handle.net/2014/36558, UNKNOWN, JPL Open Repository
    Simultaneous in situ measurements of stratospheric NO2, HNO3, HCI, and CH4 from 34 to 24 km were made in August 1992 from Palestine, Texas, using the Balloon-borne Laser In-Situ Sensor (BLISS)tunable diode laser spectrometer.
    The Application of Massively Parallel Computation to Integral Equation Models of Electromagnetic Scattering
    Jan 1, 1993
    Cwik, T.; Geijn, R. van de; Patterson, J., 1993, "The Application of Massively Parallel Computation to Integral Equation Models of Electromagnetic Scattering", https://hdl.handle.net/2014/36559, Journal Optical Society A, JPL Open Repository
    Integral equation methods are widely used in the analysis and design of electromagnetic systems.
    Frequency Swept Diode-pumped Single Frequency TM,Ho:YLiF Laser for spaceborne Doppler Lidar
    Jan 1, 1993
    McGuckin, B.T.; Menzies, R.T.; C.Esproles, 1993, "Frequency Swept Diode-pumped Single Frequency TM,Ho:YLiF Laser for spaceborne Doppler Lidar", https://hdl.handle.net/2014/36562, Anaheim, California, USA, JPL Open Repository
    Optical heterodyne experiments involving the photomixing of two single frequency, deode-pumped thulium holmium yttrium lithium flouride lasers are described. Operated in external frquency stabilization loops, the lasers exhibit 1MHz short term stability, and are photomixed and of...
    Possible Near-IR Channels for Remote Sensing Precipitalble Water Vapor from Geostationary Satellite Platforms
    Jan 1, 1993
    Gao, B. C.; Goetz, A. F. H.; Westwater, E. R.; Conel, J.E.; Green, R. O., 1993, "Possible Near-IR Channels for Remote Sensing Precipitalble Water Vapor from Geostationary Satellite Platforms", https://hdl.handle.net/2014/36563, UNKNOWN, JPL Open Repository
    No abstract provided
    Tidal Disruption and the Appearance of Periodic Comet Shoemaker-Levy 9
    Jan 1, 1993
    Sekanina, Zdenek; Chodas, Paul W.; Yeomans, Donald K., 1993, "Tidal Disruption and the Appearance of Periodic Comet Shoemaker-Levy 9", https://hdl.handle.net/2014/36567, UNKNOWN, JPL Open Repository
    A unified model is presented that quantitatively interprets the observed characteristics of the nuclear train, the two dust trails, and the tail region of P/Shoemaker-Levy 9 in terms of a collisionally modified rotation velocity distribution of the comet's debris.
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