41,891 to 41,900 of 42,325 Results
Feb 22, 1993
Ohsaka, K.; Trinh, E., 1993, "Development of a Versatile Electromagnetic Levitator", https://hdl.handle.net/2014/34978, ['Symposium Proceeding - Containerless Processing', 'Denver, Colorado, USA'], JPL Open Repository
A versatile electromagnetic levitator for ground-based experiments is under development at the Jet Propulsion Laboratory. |
Feb 22, 1993
Christensen, E. J.; Williams, B. G.; Yuan, D. N.; McColl, K. C., 1993, "Modeling Non-Gravitational Forces Acting on Topex/Poseidon: The Early Days", https://hdl.handle.net/2014/34948, Pasadena, California, USA, JPL Open Repository
Topex/Poseidon is a satellite mission that will use altimetry to make precise measurements of sea-level with unprecedented acuracy such that small-amplitude, basin wide sea-level with unprecedented accuracy such that small-amplitude, basin wide sea-level changes caused by large-s... |
Feb 22, 1993
Kroger, P.; Folkner, W.; Lijima, B.; Hildebrand, C., 1993, "Very-Long-Baseline-Interferometry Measurements of Planetary Orbiters at Mars and Venus", https://hdl.handle.net/2014/34928, ['AIAA, Spacefligth Mechanics', 'Pasadena, California, USA'], JPL Open Repository
Very-long-baseline interferometric measurements of the positions of planetary orbiters/landers relative to nearby extra galactic radio sources provide information on the positions of the planets in the inertial reference frame described by the measured positions of the radio sour... |
Feb 22, 1993
Thurman, S.; Estefan, J., 1993, "Radio Doppler Navigation of Interplanetary Spacecraft Using Different Data Processing Modes", https://hdl.handle.net/2014/36690, Pasadena, California, USA, JPL Open Repository
Doppler shift measurements derived from closed-loop radio tracking of distant spacecraft by ground stations of the Deep Space Network (DSN) are one of the principal means used for interplanetary navigation. |
Feb 22, 1993
Pernicka, Henry J.; Sweetser, Theodore H.; Roncoli, Ralph B., 1993, "A strategy to Rotate The Mars Observer Orbit Node Line to Advance the Mapping Schedule", https://hdl.handle.net/2014/34941, Pasadena, California, USA, JPL Open Repository
The Mars Observer (MO) spacecraft was successfully launched on September 25, 1992 and will arrive at Mars on August 24, 1993. At Mars, the spacecraft will study the planet's surface, atmosphere, and gravitational and magnetic fields. |
Feb 22, 1993
Muellerschoen, Ronald J.; Bertiger, Willy I.; Wu, Sien C., 1993, "Gravity Recovery Analysis Using GPS for STEP and a Low-Low Satellite Mission", https://hdl.handle.net/2014/34945, Pasadena, California, USA, JPL Open Repository
The precise GPS data can additionally be used to refine the Earth's gravity field. STEP is a proposed European Space Agency mission that may also carry a flight GPS receiver. |
Feb 21, 1993
Dewitte, B.; Perigaud, C.; Chao, Y., 1993, "Nino-Nina Simulations and Predictions Over 1983-1993 from Cane and Zebiak's Model and Satellite Observation", https://hdl.handle.net/2014/36560, San Diego, California, USA, JPL Open Repository
No abstract provided |
Feb 21, 1993
Perigaud, C.; Delecluse, P.; Rogel, P., 1993, "Importance of the Barotropic Signal Evidenced by TOPEX/Poseidon and Ocean General Circulation Model in the Indian Ocean", https://hdl.handle.net/2014/36561, San Diego, California, USA, JPL Open Repository
No abstract provided |
Feb 21, 1993
Spjut, Won-Kyu, 1993, "A High Temperature Electrostatic Levitator for 1-g", https://hdl.handle.net/2014/35070, Denver, Colorado, USA, JPL Open Repository
No abstract provided |
Feb 20, 1993
Wilson, K. E.; Lesh, J. R.; Yan, T-Y., 1993, "GOPEX: A Laser Uplink to the Galileo Spacecraft on its Way to Jupiter", https://hdl.handle.net/2014/34844, Los Angeles, CA, JPL Open Repository
In the Galileo Optical Experiment (GOPEX), optical transmissions were beamed to the Galilieo spacecraft by Earth-based transmitters at Table Mountain Observatory (TMO), California, and Starfire Optical Range (SOR), New Mexico. The demonstration took place over an eight-day period... |