31 to 40 of 815 Results
Apr 3, 2022
Cooper, Ken B., 2022, "Modeling Broadband Phase Noise from Extended Targets in a 170 GHz Cloud-Imaging Radar", https://hdl.handle.net/2014/56147, SPIE Defense + Commercial Sensing 2022, Orlando, Florida, April 3-7, 2022, JPL Open Repository
VIPR (Vapor Inside-cloud Profiling Radar) is a differential absorption radar operating over 155-175 GHz, covering a portion of the lower frequency flank of the 183 GHz water vapor absorption resonance. Transmitting at a ~1.9 mm wavelength, VIPR is highly sensitive to scattering f... |
Mar 27, 2022
Focardi, Paolo; Vacchione, Joseph D., 2022, "Evolution of the NISAR Feed Antenna Design due to Environmental Requirements", https://hdl.handle.net/2014/55956, EuCAP, Madrid, Spain, March 27 - April 1, 2022, JPL Open Repository
NISAR (NASA ISRO SAR, National Aeronautics and Space Administration, Indian Space Research Organization, Synthetic Aperture Radar) is an Earth science project currently in its final development phases at NASA Jet Propulsion Laboratory (JPL) and at ISRO. Due for launch in 2023 it... |
Mar 27, 2022
Focardi, Paolo; Harrell, Jefferson A., 2022, "NISAR Flight Feed Passive Antenna Measurements", https://hdl.handle.net/2014/55053, EuCAP 2022, Madrid, Spain, March 27 - April 1, 2022, JPL Open Repository
NISAR (NASA ISRO SAR, National Aeronautics and Space Administration, Indian Space Research Organization, Synthetic Aperture Radar) is an Earth science project currently in its final development phase at NASA Jet Propulsion Laboratory (JPL) and at ISRO. Due for launch in 2022 it w... |
Mar 22, 2022
Feather, Martin, 2022, "Hallmarks of an Autonomous Space System’s Development and V&V", https://hdl.handle.net/2014/55075, 2022 IEEE International COnference on Assured Autonomy (ICAA), Fajardo, Puerto Rico, March 22-24, 2022, JPL Open Repository
NASA’s deep space missions are dependent on autonomy when conditions require a faster response than can be directed by communication to and from Earth. Verification and Validation (V&V) of the autonomy is an essential step for missions to be confident in its use. This paper provi... |
Mar 21, 2022
Selva, Daniel; Allen, George; Gao, Huilin; Gorr, Ben; Jaramillo, Alan Aguilar; Viros Martin, Antoni; Sun, Yizhou; Mehta, Ankur; Nag, Sreeja; Ravindra, Vinay; David, Cedric H., 2022, "3D-CHESS: Decentralized, Distributed, Dynamic, and Context-aware Heterogeneous Sensor Systems", https://hdl.handle.net/2014/56120, International Symposium on Stabilization, Safety, and Security of Distributed Systems., Stanford, California, March 21, 2022 - December 23, 2021, JPL Open Repository
This paper describes the objectives and current status of the 3D-CHESS project which aims to demonstrate a new Earth observing strategy based on a context-aware Earth observing sensor web. This sensor web consists of a set of nodes with a knowledge base, heterogeneous sensors, ed... |
Mar 5, 2022
Ware, John; Davarian, Faramaz, 2022, "Lunar Communications Services with Emphasis on Commercialization", https://hdl.handle.net/2014/55987, 2022 IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2022, JPL Open Repository
In mid-2020 Lockheed Marin Space (LM) and NASA’s Jet Propulsion Laboratory (JPL) formed a working group to study and address the need for a lunar communications network to service a growing lunar economy, beginning with the initial crewed and robotic mission needs in 2024. Multip... |
Mar 5, 2022
Gladden, Roy; Anabtawi, Aseel; Buccino, Dustin; Call, Jared; Chamberlain, Neil; Elliott, Harvey; Fieseler, Paul; Fujii, Ken; Oudhriri, Kamal; Pereira, Eve; Sackier, Chloe; Young, Emma; Haggard, Micheal; Srnka, Evan, 2022, "Preparing the Mars Relay Network for the Arrival of the Perseverance Rover at Mars", https://hdl.handle.net/2014/55960, 2022 IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2022, JPL Open Repository
The Perseverance rover represents NASA’s latest achievement in Mars exploration. Landing successfully on 18 Feb 2021, the rover’s transmitted data during its entry, descent, and landing (EDL) were captured by the Mars Reconnaissance Orbiter (MRO) and the Mars Atmosphere and Volat... |
Mar 5, 2022
O'Farrell, Clara; Clark, Ian G.; Karlgaard, Chris, 2022, "Reconstructed Performance of the Mars InSight Lander’s Supersonic Parachute & Comparison with the Phoenix Lander", https://hdl.handle.net/2014/56155, 2022 IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2022, JPL Open Repository
On November 26th, 2018 the Mars InSight landersuccessfully touched down at Elysium Planitia. InSight’s Entry,Descent, and Landing sequence included an 11.8-m supersonicallydeployed Disk-Gap-Band parachute that was a largelybuild-to-print version of the parachute used to successfu... |
Mar 5, 2022
Escobar, Uriel S.; Velazco, Jose E.; Cornish, Sean E.; Klaib, Andy R.; Arnold, Julia M.; Yi, Lin, 2022, "Development of a Deployable Opitcal Aperature", https://hdl.handle.net/2014/56169, 2022 IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2022, JPL Open Repository
The Deployable Optical Receive Aperture (DORA),a new technology being developed jointly between JetPropulsion Laboratory (JPL) and Arizona State University(ASU), is based on deploying arrays of fast optical detectors tocreate large receive apertures and seeks to achieve gigabitco... |
Mar 5, 2022
Verma, Vandi; Carsten, Joseph; Ravine, Mike; Kennedy-Wu, Megan; Edgett, Ken; Culver, Amy; Ruoff, Nicholdas; Williams, Nathan; Beegle, Luther, 2022, "How do we get robots to take self-portraits on Mars? – Perseverance-Ingenuity and Curiosity selfies", https://hdl.handle.net/2014/55999, 2022 IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2022, JPL Open Repository
The Perseverance rover landed in Jezero crater,Mars, on 18 February 2021. It carried with it a technologydemonstration, the Ingenuity helicopter, which hasdemonstrated the first controlled, powered flight on anotherplanet. This paper describes how an iconic, April 2021 imageof th... |
