41,951 to 41,960 of 42,442 Results
Apr 1, 1993
Schumaker, B.; Agronin, M.; Chen, G.-S.; Ledeboer, W.; Melody, J.; Noon, D.; Ulvestad, J., 1993, "Spacecraft and Mission Design for the Precision Optical INTerferometer in Space (POINTS)", https://hdl.handle.net/2014/35566, Orlando, Florida, USA, JPL Open Repository
This paper describes key features of the instrument, spacecraft, and mission design for the Precision Optical INTerferometer in Space (POINTS), which have evolved through studies at the Jet Propulsion Laboratory during the last few years. This paper complements others in theis vo... |
Apr 1, 1993
Fossum, Eric R.; Bartman, Randall K.; Eisenman, Allan R., 1993, "Application of the Active Pixel Sensor Concept to Guidance and Navigation", https://hdl.handle.net/2014/35310, ['SPIE: Guidance and Navigation', 'Orlando, FL'], JPL Open Repository
Charge-coupled devices (CCDs) have been used extensively in the past in star trackers and fine guidance systems. A new technology, the active pixel sensor, is a possible successor to CCDs. This technology potentially features the same sensitivity and performance of the CCD with a... |
Mar 30, 1993
Cheung, K.; Tong, K., 1993, "Proposed Data Compression Schemes for the Galileo S-Band Contingency Mission", https://hdl.handle.net/2014/36702, Snowbird, Utah, USA, JPL Open Repository
The Galileo spacecraft is currently on its way to Jupiter and its moons. Various options for improving Galileo's telemetry downlink performance are being evaluated. Communicaitons during the Jupiter encounters will be via one of two low gain antennas on an S-band carrier. |
Mar 30, 1993
Tong, Kar-Ming Cheung Kevin, 1993, "Proposed Data Compression Schemes for the Galileo S-Band Contigency Mission", https://hdl.handle.net/2014/34846, Snowbird, Utah, USA, JPL Open Repository
The Galileo spacecraft is currently on its way to Jupiter and its moons. In April 1991, the high gain antenna (HGA) failed to deploy as commanded. |
Mar 30, 1993
McGrath, W.; Febvre, P.; Javadi, H.; Salez, M.; Batelaan, P.; Frerking, M., 1993, "A Submillimeter Wave SIS Receiver for 547 GHz", https://hdl.handle.net/2014/34857, Los Angeles, California, USA, JPL Open Repository
The most sensitive heterodyne receivers used for millimeter wave and submillimeter wave radioastronomy employ superconductor-insulator-superconductor tunnel junctions as the nonlinear mixing element. |
Mar 30, 1993
Martin, D.; Choudhury, R. P.; Smith, A. V.; Ralsanen, M. A.; Frerking, S., 1993, "A Back-to-Back Barrier-N-N+(bbBNN) Diode Tripler at 200 GHz", https://hdl.handle.net/2014/34815, Los Angeles, California, USA, JPL Open Repository
No abstract provided |
Mar 29, 1993
Wasler, David, 1993, "(abstract) Electronic Packaging for Microspacecraft Applications", https://hdl.handle.net/2014/35536, Pasadena, CA, JPL Open Repository
The intent of this presentation is to give a brief look into the future of electronic packaging for microspacecraft applications. Advancements in electronic packaging technology areas have developed to the point where a system engineer's visions, concepts, and requirements for a... |
Mar 29, 1993
Halpern, D., 1993, "SSMI Wind Speed Measurements Over the Southern Hemisphere Oceans", https://hdl.handle.net/2014/36701, Hobart, Australia, JPL Open Repository
The January 1988 to December 1991 mean and monthly variations of surface wind speed over the Southern Hemisphere are described from SSMI measurements. |
Mar 29, 1993
Horner-Miller, Barbara, 1993, "User Support for an MPP, JPL Begins the Process", https://hdl.handle.net/2014/34968, Montreux, Switzerland, JPL Open Repository
At Supercomputing 92, it was announced that JPL/Caltech had entered into a collaborative agreement with Cray Research to become one of a few |
Mar 29, 1993
Zimmerman, G. A.; Olsen, E. T.; Levin, S. M.; Backus, C. R.; Grimm, M. J.; Gulkis, S.; Klein, M. J., 1993, "Signal Processing and Interference Mitigation Strategies in NASA's High Resolution Microwave Survey Project Sky Survey", https://hdl.handle.net/2014/35037, Boston, Massachuset, USA, JPL Open Repository
No abstract provided |