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41 to 50 of 333 Results
A class of GaN-based, radiation-hardened power electronics for Jovian environments
Sep 30, 2019
Barchowsky, Ansel; Amirahmadi, Ahmadreza; Stell, Chris; Merida, Elvis; Bolotin, Gary; Ulloa-Severino, Antonio; Carr, Greg, 2019, "A class of GaN-based, radiation-hardened power electronics for Jovian environments", https://hdl.handle.net/2014/51877, European Space Power Conference ESPC 2019, Juan Les Pins, France, September 30 - October 4, 2019, JPL Open Repository
No abstract provided
Challenges and innovations in the guidance, navigation, and control system for entry, descent and landing of NASA's Mars 2020 mission
Sep 30, 2019
Brugarolas, Pau B., 2019, "Challenges and innovations in the guidance, navigation, and control system for entry, descent and landing of NASA's Mars 2020 mission", https://hdl.handle.net/2014/51697, International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering, Monopoli, Italy, September 30 - October 3, 2019, JPL Open Repository
This paper will focus on the GNC changes implemented to mitigate these challenges and to provide the desired innovations.
Design and optimization of radiation-hardened isolated converters for Jovian environments
Sep 30, 2019
Amirahmadi, Ahmadreza; Barchowsky, Ansel; Stell, Christopher; Merida, Elvis; Ulloa-Severino, Antonio; Carr, Gregory, 2019, "Design and optimization of radiation-hardened isolated converters for Jovian environments", https://hdl.handle.net/2014/51748, European Space Power Conference ESPC 2019, Juan Les Pins, France, September 30 - October 4, 2019, JPL Open Repository
This paper presents the design and optimization of a class of flexible, high efficiency, multiple output capable, radiation-hardened isolated DC/DC converters for Jovian environments. The proposed converters achieve lower electromagnetic emission, better thermal management and hi...
NASA's Deep Space Optical Communications - an update
Sep 29, 2019
Biswas, Abhijit, 2019, "NASA's Deep Space Optical Communications - an update", https://hdl.handle.net/2014/51462, OSA Laser Congress, Vienna, Austria, September 29 - October 3, 2019, JPL Open Repository
NASA is developing a new space and ground technologies to demonstrate deep space optical communications in the 2022-2024 time frame. This paper provides an update on the status of this development.
The evolution of the Jet Propulsion Laboratory/NASA Iris Deep-Space Transponder
Sep 24, 2019
Shihabi, Mazen M.; Duncan, Courtney; Kobayshi, M. Michael; Holmes, Sarah, 2019, "The evolution of the Jet Propulsion Laboratory/NASA Iris Deep-Space Transponder", https://hdl.handle.net/2014/51468, 8th ESA Workshop on Tracking, Telemetry, and Command Systems for Space, Darmstadt, Germany, September 24-27, 2019, JPL Open Repository
No abstract provided
Using low-cost portable commercial SDR in mission ground system testing and operations
Sep 24, 2019
Pham, Timothy, 2019, "Using low-cost portable commercial SDR in mission ground system testing and operations", https://hdl.handle.net/2014/51656, 8th ESA Workshop on Tracking, Telemetry, and Command Systems for Space, Darmstadt, Germany, September 24-27, 2019, JPL Open Repository
No abstract provided
Inter-comparison of ionizing doses from space shielding analyses using MCNP, Geant4, FASTRAD, and NOVICE
Sep 16, 2019
Jun, Bongim; Zhu, Brian Xiaoyu; Martinez-Sierra, Luz Maria; Jun, Insoo, 2019, "Inter-comparison of ionizing doses from space shielding analyses using MCNP, Geant4, FASTRAD, and NOVICE", https://hdl.handle.net/2014/51724, Radiation and its Effects on Components and Systems (RADECS), Montpellier, France, September 16-20, 2019, JPL Open Repository
No abstract provided
Radiation specification and testing of heterogenous microprocessor SOCs
Sep 16, 2019
Guertin, Steven M.; Some, Raphael; Nsengiyumva, Patrick; Cannon, Ethan H.; Cabanas-Holmen, Manuel; Ballast, Jon, 2019, "Radiation specification and testing of heterogenous microprocessor SOCs", https://hdl.handle.net/2014/51874, Radiation and its Effects on Components and Systems (RADECS), Montpellier, France, September 16-20, 2019, JPL Open Repository
Modern commercial microprocessor devices include multiple processor architectures, buses, basic peripherals, and application hardware such as Graphics Processing Units (GPUs) and Digital Signal Processors (DSPs) in one device. Developing RHBD versions of similar devices risks sac...
An Integrated Data Analytics Platform
Sep 16, 2019
Armstrong, Edward M.; Bourassa, Mark A.; Cram, Tom; Elya, Jocelyn; Greguska III, Frank R.; Huang, Thomas; Jacob, Joseph C.; Ji, Zaihua; Jiang, Yongyao; Li, Yun; Quach, Nga; McGibbney, Lewis; Smith, Shawn; Tsontos, Vardis; Wilson, Brian; Worley, Steve J.; Yang, Chaowei, 2019, "An Integrated Data Analytics Platform", https://hdl.handle.net/2014/48983, OceanObs'19, Honolulu, Hawaii, September 16 - 20, 2019, JPL Open Repository
An Integrated Science Data Analytics Platform is an environment that enables the confluence of resources for scientific investigation. It harmonizes data, tools and computational resources which subsequently enable the research community to focus on the investigation rather than...
SRAM-based FPGA: high dose test methods using evaluation boards
Sep 16, 2019
Vartanian, Sergeh; Allen, Gregory R.; Thorbourn, Dennis, 2019, "SRAM-based FPGA: high dose test methods using evaluation boards", https://hdl.handle.net/2014/51720, Radiation and its Effects on Components and Systems (RADECS), Montpellier, France, September 16-20, 2019, JPL Open Repository
We present low-cost and effective methods and results for high levels of Total Ionizing Dose testing performed on the Xilinx Kintex UltraScale (20nm) Field-Programmable Gate Array evaluation board using 60Co and 2 MeV electron sources.
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