41,791 to 41,800 of 42,221 Results
Feb 22, 1993
Nandi, S.; Border, J.; Folkner, W., 1993, "Demonstration of Use of a Real Time Tone Tracker to Obtain Same Beam Interferometry Data", https://hdl.handle.net/2014/34930, ['1993 AAS/AIAA Spaceflight Mechanics Meeting', 'Pasadena, California, USA'], JPL Open Repository
The radio metric tracking technique known as Same-Beam Interferometry has been shown to improve orbit determination accuracy for the Magellan and Pioneer 12 Orbiter. |
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 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 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
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 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... |
Feb 19, 1993
Lieske, J. H., 1993, "On the Conversion of Orbital Elements from 1950.0 to J2000", https://hdl.handle.net/2014/34956, Astronomy and Astrophysics, JPL Open Repository
Formulas are developed for the transformation of ecliptical orbital elements from |
Feb 17, 1993
Enright, Paul J., 1993, "Thrust Vector Control Algorithm Design for the Cassini Spacecraft", https://hdl.handle.net/2014/34920, Irvine, California, USA, JPL Open Repository
A preliminary design of the Cassini Thrust Vector Control algorithm which controls the spacecraft attitude during main engine burns is described. The discussion includes software architecture, sensor/actuator characteristics, and vehicle dynamics, as well as controller design and... |
Feb 16, 1993
Bamford, B.; Moore, D.; Mon, G.; Wada, B., 1993, "Experiences in the Development of the Mighty Worm", https://hdl.handle.net/2014/35406, Irvine, CA, JPL Open Repository
The field of adaptive structures has expanded dramatically during the past few years. Inch worm actuators are commercially available, but do not meet all the desired static and dynamic features in one actuator. The objective of the development of the Mighty Worm was to develop su... |
Feb 16, 1993
Salvo, Christopher G., 1993, "Small Spacecraft Conceptual Design For a Fast Pluto Flyby Mission", https://hdl.handle.net/2014/34894, Irvine, California, USA, JPL Open Repository
The Pluto Fas Flyby mission is a pre-Phase A mission development activity being pursued at the Jet Propulsion Laboratory and funded by NASA's Code SL. Its objective is to conduct first reconnaissace level science at Pluto before its atmospheric collapse in the next two to three d... |