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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    84,331 to 84,340 of 84,745 Results
    Galileo: Challenges Enroute to Jupiter
    Feb 1, 1993
    O'Neil, W., 1993, "Galileo: Challenges Enroute to Jupiter", https://hdl.handle.net/2014/34825, ['American Astronautical Society - Guidance and Control', 'Keystone, Colorado, USA'], JPL Open Repository
    The Galileo spacecraft is now on its three-year direct Earth-to-Jupiter transfer trajectory.
    Design of a Low-Light-Level Image Sensor with On-Chip Sigma-Delta Analog-to- Digital Conversion
    Feb 1, 1993
    Mendis, Sunetra K.; Pain, Bedabrata; Nixon, Robert H.; Fossum, Eric R., 1993, "Design of a Low-Light-Level Image Sensor with On-Chip Sigma-Delta Analog-to- Digital Conversion", https://hdl.handle.net/2014/34949, ['SPIE/IS&T: Electronic Imaging', 'San Jose, CA'], JPL Open Repository
    The design and projected performance of a low-light-level active-pixel-sensor (APS) chip with semi-parallel analog-to-digital (A/D) conversion is presented. The individual elements have been fabricated and tested using MOSIS* 2 micrometer CMOS technology, although the integrated...
    Scientific Research on Space Station Freedom
    Feb 1, 1993
    Phillips, R., 1993, "Scientific Research on Space Station Freedom", https://hdl.handle.net/2014/35103, Boston, Massachusetts, USA, JPL Open Repository
    No abstract provided
    Structural Considerations for the Wide Field/Planetary Camera-II Articulating Fold Mirror
    Feb 1, 1993
    MacNeal, P., 1993, "Structural Considerations for the Wide Field/Planetary Camera-II Articulating Fold Mirror", https://hdl.handle.net/2014/36689, ['SPIE, Adaptive Optics', 'Albuquerque, New Mexico, USA'], JPL Open Repository
    The hubble space telescope was unable to meet its intended optical performance due to a spherical aberration on the primary mirror.
    Low Wind Speed Radar Backscatter Measurements at C- and Ku-Band Obtained
    Feb 1, 1993
    Carson, S. C.; Carswell, J. C.; McIntosh, R. E.; Li, Fuk K.; Nghiem, S. V.; Lou, S. H.; Neuman, G.; McLaughlin, David J., 1993, "Low Wind Speed Radar Backscatter Measurements at C- and Ku-Band Obtained", https://hdl.handle.net/2014/34912, Journal of Geophysical Research, JPL Open Repository
    Radar backscatter measurements collected at both C- and Ku-Band during the recent
    Learning to Classify Map Data with Cascaded VLSI Neural Network Building Block Chips
    Feb 1, 1993
    Brown, T. X.; Duong, T.; Eberhardt, S. P.; Tran, M. D.; Daud, T.; Thakoor, A. P., 1993, "Learning to Classify Map Data with Cascaded VLSI Neural Network Building Block Chips", https://hdl.handle.net/2014/34856, USA, JPL Open Repository
    Paper maps are an important but unwieldy data format. To increase its utility, copious amounts of map data have been scanned into a digital map knowledge base. The next task in this knowledge base is to reduce this data to its underlying feature form suitable for analysis.
    Containerless Processing of Molten Tin Samples in a Controlled Oxygen Environment
    Feb 1, 1993
    Sharma, P. K.; Trinh, E. H.; Man, K. F., 1993, "Containerless Processing of Molten Tin Samples in a Controlled Oxygen Environment", https://hdl.handle.net/2014/34899, Denver, Colorado, USA, JPL Open Repository
    Contamination due to oxygen or oxide layer formation is a major concern in containerless processing of metallic melts.
    Using Anomalous Along-Track Forces for Topex/Poseidon Ground Track Control
    Feb 1, 1993
    Shapiro, B.; Bhat, R.; Frauenholz, R., 1993, "Using Anomalous Along-Track Forces for Topex/Poseidon Ground Track Control", https://hdl.handle.net/2014/36056, Cocoa Beach, Florida, USA, JPL Open Repository
    The TOPES/POSEIDON satellite is maintained in a nearly circular, frozen orbit at an altitude of =1336 km. and an inclination of i = 66.4, which provides an exact repeat ground track every 127 revolutions and overflies two altimetry verifications sites.
    Generation of 369.4 nm Radiation by Efficient Doubling of a Diode Laser
    Feb 1, 1993
    Williams, A.; Seidel, D.J.; Maleki, L., 1993, "Generation of 369.4 nm Radiation by Efficient Doubling of a Diode Laser", https://hdl.handle.net/2014/34801, New Orleans, LA, JPL Open Repository
    The trapped ytterbium ion frequency standard under development at JPL is designed to supply ultra-stable reference signals to be used in spacecraft tests of general relativity and other science experiments. Only diode lasers meet the requirements of low power comsumption and smal...
    Active Pixel Sensors: Are CCD's Dinosaurs?
    Feb 1, 1993
    Fossum, Eric R., 1993, "Active Pixel Sensors: Are CCD's Dinosaurs?", https://hdl.handle.net/2014/34869, ['SPIE: Electronic Imaging', 'San Jose, CA'], JPL Open Repository
    Charge-coupled devices (CCD's) are presently the technology of choice for most imaging applications. In the 23 years since their invention in 1970, they have evolved to a sophisticated level of performance. However, as with all technologies, we can be certain that they will be su...
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