1 to 10 of 815 Results
Nov 1, 2003
Luyendyk, Bruce P., 2003, "GPS evidence for a coherent Antarctic plate and for postglacial rebound in Marie Byrd Land", https://hdl.handle.net/2014/38250, Global and Planetary Change, JPL Open Repository
GPS measurements collected between 1999 and 2002 in Marie Byrd Land, West Antarctica indicate no significant present motion between East and West Antarctica greater than 1-2 nm/yr. |
Apr 12, 2004
Hanan, Jay C.; Chao, Tien-Hsin; Reyes, George F., 2004, "Performance of multi level error correction in binary holographic memory", https://hdl.handle.net/2014/38379, SPIE Defense and Security Symposium, Optical Pattern Recognition XV, April 12-16, 2004, Orlando, FL., JPL Open Repository
At the Optical Computing Lab in the Jet Propulsion Laboratory (JPL) a binary holographic data storage system was designed and tested with methods of recording and retrieving the binary information. Levels of error correction were introduced to the system including pixel averaging... |
Jun 15, 2004
Man, Kin F.; Farguson, Christine T.; Hoffman, Alan R, 2004, "Mars Exploration Rover (MER) project environmental assurance program", https://hdl.handle.net/2014/39028, 5th International Conference on Environmental Testing for Space Programmes, Noordwijk, The Netherlands, June 15-17, 2004., JPL Open Repository
This paper presents a comprehensive summary of the environmental assurance program for the MER project. A series of test and analysis metrics are generated. Selections of the numerous lessons that have been learned from implementation of the MER environmental assurance program ar... |
Jul 19, 2004
Leon, R; Nadeau, J.; Evans, K.; Paskova, T.; Monemar, B., 2004, "Electron irradiation effects on nanocrystal quantum dots used in bio-sensing applications", https://hdl.handle.net/2014/41767, IEEE Transactions on Nuclear Science, Atlanta, Georgia, July 19, 2004., JPL Open Repository
No abstract provided |
May 24, 2006
Lester, Dan; Benford, Dominic; Yorke, Harold W.; Bradford, Charles. M.; Parrish, Keith.; Stahl, H., 2006, "Science promise and conceptual mission design for SAFIR – the Single Aperture Far Infrared Observatory", https://hdl.handle.net/2014/40714, Astronomical Telescopes and Instrumentation, Orlando, Florida, May 24-30, 2006., JPL Open Repository
We report on completion of the SAFIR Vision Mission study, as organized by the NASA Science Mission Directorate. This study resulted in a focused baseline design for this large aperture space observatory that capitalizes on architectures being actively developed for JWST and othe... |
May 12, 2008
Deutsch, Leslie J.; Stocklin, Frank J.; Rush, John J., 2008, "Modulation and coding for NASA’s New Space Communications Architecture", https://hdl.handle.net/2014/45351, SpaceOps 2008, Heidelberg, Germany, May 12-16, 2008, JPL Open Repository
With the release in 2006 of NASA’s Space Communications and Navigation Architecture, the agency defined its vision for the future in these areas. The results reported in this paper help define the myriad communications links included in this architecture through the year 2030. Wh... |
May 12, 2008
Johnston, Mark D., 2008, "Deep Space Network scheduling using multi-objective optimization with uncertainty", https://hdl.handle.net/2014/45355, SpaceOps 2008, Heidelberg, Germany, May 12-16, 2008, JPL Open Repository
We have developed a novel technique to incorporate uncertainty modeling within an evolutionary algorithm approach to multi-objective scheduling, with the goal of identifying a Pareto frontier (tradeoff curve) that recognizes the likelihood of events that can impact the schedule o... |
May 12, 2008
Holmes, Dwight P.; Thompson., Tommy; Simpson, Richard; Tyler, G. Leonard; Dehant, Veronique; Rosenblatt, Pascal; Häusler, Bernd; Pätzold, Martin; Goltz, Gene; Kahan, Daniel; Valencia, Jose, 2008, "The challenges and opportunities for international cooperative radio science; experience with Mars Express and Venus Express missions", https://hdl.handle.net/2014/45375, SpaceOps 2008, Heidelberg, Germany, May 12-16, 2008, JPL Open Repository
Radio Science is an opportunistic discipline in the sense that the communication link between a spacecraft and its supporting ground station can be used to probe the intervening media remotely. Radio science has recently expanded to greater, cooperative use of international asset... |
May 12, 2008
Antreasian, P.G.; Ardalan, S.M.; Beswick, R.M.; Criddle, K.E.; Ionasescu, R.; Jacobson, R.A.; Jones, J.B.; MacKenzie, R.A.; Parcher, D.W.; Pelletier, F.J.; Roth, D.C.; Thompson, P.F.; Vaughan, A.T., 2008, "Orbit determination processes for the navigation of the Cassini-Huygens mission", https://hdl.handle.net/2014/45393, SpaceOps 2008, Heidelberg, Germany, May 12-16, 2008, JPL Open Repository
Deep space navigation, particularly the Orbit Determination (OD) operations of Cassini at Saturn, cannot easily be automated due to the complex dynamical environment in which the spacecraft flies; however several sub-processes are automated. The Cassini OD operations are often fa... |
May 12, 2008
Grasso, Christopher A.; Lock, Patricia D., 2008, "VML sequencing: growing capabilities over multiple missions", https://hdl.handle.net/2014/45392, SpaceOps 2008, Heidelberg, Germany, May 12-16, 2008, JPL Open Repository
Virtual Machine Language (VML) is an award-winning advanced procedural sequencing language in use on NASA deep-space missions since 1997. Missions featuring VML include Spitzer Space Telescope, Mars Odyssey, Stardust, Genesis, Mars Reconnaissance Orbiter, Phoenix, Dawn and Juno.... |
