1 to 10 of 937 Results
Oct 3, 2022
Sheldon, Douglas; Daniel, Andrew; Vartanian, Sergeh; Riley, Robert; Allen, Greg, 2022, "Radiation Effects Characterization and System Architecture Options for the 7nm Snapdragon SA8155P Automotive Grade System on Chip (SoC)", https://hdl.handle.net/2014/56137, RADECS 2022, Venice, Italy, October 3-7, 2022, JPL Open Repository
The SA8155P SoC is a complex heterogeneous computational platform with CPUs, GPU, DSPs and NPU. The SA8155P is a 7 TOPS/7 Watts capable AI/ML platform and as such represents a game changing breakthrough in terms computational power for space applications. We characterize the TID... |
Sep 12, 2022
Ting, David Z.; Keo, Sam A.; Khoshakhlagh, Arezou; Soibel, Alexander; Pepper, Brian J; Hill, Cory J.; Fisher, Anita M.; Rafol, Sir B.; Maruyama, Yuki; Gunapala, Sarath D.; Pagano, Thomas S., 2022, "InAs/InAsSb Type-II Stained Layer Superlattice Infrared Detectors and Focal Plane Arrays", https://hdl.handle.net/2014/56138, IEEE Research and Applications of Photonics in Defense (RAPID 2022) Conference, Miramar Beach, Florida, September 12-14, 2022, JPL Open Repository
We explore long wavelength InAs/InAsSb superlattice complementary barrier infrared detectors that contain p-type absorber layers for quantum efficiency enhancement. We also discuss type-II superlattice infrared detector technology for NASA Earth Science applications, including LW... |
Aug 7, 2022
Blanchard, Jared T.; Lo, Martin W.; Close, Sigrid; Anderson, Brian D.; Close, Sigrid, 2022, "Model Predictive Control in the Three-body Problem Using Invariant Funnels As Terminal Sets", https://hdl.handle.net/2014/56152, 2022 AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-10, 2022, JPL Open Repository
This paper describes a method for augmenting Model Predictive Control techniques using invariant funnels computed in the Circular Restricted Three-Body Problem. We use ellipsoids that roughly approximate the boundary of the invariant funnel as convex terminal sets for a short loo... |
Jul 17, 2022
Chaubell, J.; Yueh, S.; Entekhabi, D.; Dunbar, S.; Colliander, A.; Xu, X.; Mousavi, M., 2022, "Analysis of the Smap Roughness Parameter and the Smap Vegetation Optical Depth", https://hdl.handle.net/2014/56145, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
The SMAP product provides the soil moisture (SM) computed using three different retrieval algorithms: the single channel H and V algorithms (SCA-H and SCA-V), and the dual-channel algorithm (DCA) which in addition provides the vegetation optical depth (VOD). The roughness model a... |
Jul 17, 2022
Colliander, Andreas; Cosh, Michael H.; Berg, Aaron; Misra, Sidharth; Thomas, Jaison; Bourgeau-Chavez, Laura; Kelly, Vicky; Kraatz, Simon; Siqueira, Paul; Roy, Alexandre; Helgason, Warren; Magagi, Ramata; Lakhankar, Tarendra; Ogut, Mehmet; Chaubell, Julian; Dunbar, Scott; Famiglietti, Jay; Konings, Alexandra; Kurum, Mehmet; Entekhabi, Dara; Yueh, Simon H., 2022, "Development of SMAP Retrievals for Forested Regions: SMAPVEX19-22 and SMAPVEX22-Boreal", https://hdl.handle.net/2014/56127, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
The retrieval of soil moisture (SM) under forest canopy has long been an important goal for low frequency remote sensing. The NASA Soil Moisture Active Passive (SMAP) mission is engaged at three separate experiment sites to improve its SM retrieval algorithm in forested areas. Tw... |
Jul 17, 2022
Colliander, Andreas; Mousavi, Mohammad; Misra, Sid; Brown, Shannon; Kimball, John S.; Miller, Julie; Johnson, Joel; Burgin, Mariko, 2022, "Ice Sheet Melt Water Profile Mapping Using Multi-frequency Microwave Radiometry", https://hdl.handle.net/2014/56128, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
For understanding englacial hydrology and its impact on ice sheet mass balance, observations of the liquid water content (LWC) within the ice sheets are needed. Earlier studies have shown the complementary nature of multi-frequency microwave radiometer measurements to detect subs... |
Jul 17, 2022
Huang, Thomas; David, Cedric; Oadia, Catalina; Roberts, Joe T.; Kumar, Sujay V.; Stackhouse, Paul; Borges, David; Baillarin, Simon; Blanchet, Gwendoline; Kettig, Peter, 2022, "An Earth System Digital Twin for Flood Prediction and Analysis", https://hdl.handle.net/2014/56167, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
An Earth System Digital Twin (ESDT) is a dynamic, interactive, digital replica of the state and temporal evolution of Earth systems. It integrates multiple models along with observation data, and connecting them with analysis, AI, and visualization tools. Together, these enable u... |
Jul 17, 2022
Huang, Thomas; Chung, Nga; Dunn, Alex; Hovland, Erik; Kang, Jason; Loubrieu, Thomas; Neu, Jessica; Roberts, Joe; Hasheminassab, Sina; Marlis, Kevin; Bindle, Liam; Estrada, Lucas; Jacob, Daniel; Martin, Randall; Holm, Jeanne; Pouhomayoun, Mohammad; Henze, Daven; Nawaz, Muhammad Omar; Yang, Chaowei; Liu, Qian, 2022, "An Advanced Open-Source Platform for Air Quality Analysis, Visualization, and Prediction", https://hdl.handle.net/2014/56168, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
Ambient air pollution is the largest environmental health risk factor, leading to several million premature deaths globally per year. The challenge of combating poor air quality is exacerbated by growing urban populations, changing emissions, and a warming climate. While there ha... |
Jul 17, 2022
Chien, Steve; Parjan, Shreya; Harrod, Ryan, 2022, "Distributed Observation Allocation for a Large-Scale Constellation", https://hdl.handle.net/2014/56125, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
Increased space and ground sensing is enabling dramatic new measurements of a wide range of Earth Science and Applied Earth Science phenomena, including: volcanism, flooding, wildfires, and weather. Large scale observations constellations of hundreds of assets already exist (e.g.... |
Jul 17, 2022
Smith, Ben; Kumar, Sujay; Nguyen, Louis; Chee, Thad; Mason, James; Chien, Steve; Frost, Chad; Akbar, Ruzbeh; Moghaddam, Mahta; Getirana, Augusto; Grogan, Paul; Capra, Leigha, 2022, "Demonstrating a New Flood Observing Strategy on the Nos Testbed", https://hdl.handle.net/2014/56124, IEEE IGARSS 2022, Kuala Lumpur, Malaysia, July 17-22, 2022, JPL Open Repository
A new observing strategy for floods was demonstrated and evaluated in a testbed environment. The strategy coordinates several observing platforms, including in situ and space based, to observe a flood from multiple vantage points and to dynamically target predicted flood events w... |
