1 to 4 of 4 Results
Jul 25, 2016
Ashley C Karp; Barry Nakazono; Joel Benito; Robert Shotwell; David Vaughan; George Story, 2016, "A Hybrid Mars Ascent Vehicle Concept for Low Temperature Storage and Operation", https://hdl.handle.net/2014/46000, Proceedings of 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, July 25-27, 2016, 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, July 25-27, 2016, JPL Open Repository
A hybrid propulsion system presents many advantages for a potential Mars Ascent Vehicle including high specific impulse, restartability and predicted excellent low temperature survivability. This additional benefit of low temperature storage and operation could substantially redu... |
Jul 25, 2016
Karp, Ashley; Nakazono, Barry; Benito, Joel; Shotwell, Robert; Vaughan, David; Story, George, 2016, "A hybrid Mars Ascent Vehicle concept for low temperature storage and operation", https://hdl.handle.net/2014/46918, Proceedings of 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, July 25-27, 2016, 52nd AIAA Joint Propulsion Conference, Salt Lake City, Utah, July 25-27, 2016, JPL Open Repository
No abstract provided |
Feb 28, 2006
Njoku, Eni G.; Chan, S. K.; Armstrong, R. L.; Brodzik, M. J.; Savoie, M. H.; Knowles, K., 2006, "Stable targets for spaceborne microwave radiometer calibration", https://hdl.handle.net/2014/40182, 2006 IEEE MicroRad Proceedings, 9th Specialist Meeting on Microwave Radiometry and Remote Sensing Applications, San Juan, Puerto Rico, February 28 - March 3, 2006., JPL Open Repository
Beginning in the 1970s, continuous observations of the Earth have been made by spaceborne microwave radiometers. Since these instruments have different observational characteristics, care must be taken in combining their data to form consistent long term records of brightness tem... |
Oct 1, 2005
Leger, Chris; Deen, Robert G.; Bonitz, Robert G., 2005, "Remote image analysis for Mars Exploration Rover mobility and manipulation operations", https://hdl.handle.net/2014/37435, Proceedings of 2005 IEEE International Conference on Systems, Man and Cybernetics, Waikoloa, HI, USA, 2005, Vol. 1., IEEE International Conference on Systems, Man & Cybernetics, Waikoloa, Hawaii, October 2005, JPL Open Repository
NASA's Mars Exploration Rovers are two sixwheeled, 175-kg robotic vehicles which have operated on Mars for over a year as of March 2005. The rovers are controlled by teams who must understand the rover's surroundings and develop command sequences on a daily basis. The tight tacti... |