Browsing JPL TRS 1992+ by Title

Now showing items 27839-27858 of 35279

S-Band Smallsat InSAR Constellation for Surface Deformation Science

Freeman, Anthony; Chahat, Nacer (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2017, 2017-05-10)

Surface deformation studies using repeat-pass interferometric SAR have evolved into a powerful tool for geophysicists studying earthquake fault zones, volcanoes, ice sheet motion, and subterranean aquifers. Longer wavelengths ...
S-Band Smallsat InSAR constellation for surface deformation science

Freeman, Anthony; Chahat, Nacer (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2017, 2017-05-08)

This paper describes the architecture of a longer wavelength, Smallsat SAR constellation of up to 12 satellites for rapid revisit surface deformation studies. The key to making such a constellation affordable is to lower ...
S-Band Smallsat InSAR constellation for surface deformation science

Freeman, Tony; Chahat, Nacer (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2017, 2017-05-08)
The S/X-Band Microwave Feed System for NASA's First Beamwaveguide Antenna

Manshadi, F. (1995-10)

The configuration, detail design, and performance of the dual S/X-band microwave feed system for the first Deep Space Network (DSN) beamwaveguide (BWG) antenna are reported int his paper. By using existing spare components, ...
The S/X-Band Microwave Feed System for NASA's First Beamwaveguide Antenna

Manshadi, F. (1996-02)

The configuration, detail design, and performance of a dual S/X- band microwave feed system for the first Deep Space Network beamwaveguide antenna is reported. This antenna, which is primarily used for research and ...
S2 Pulsar Baseband Processing System

Wietfeldt, R.; Bartel, N.; Rizzo, D. Del; Straten, W. Van; Cannon, W.; Novikov, S.; Bailes, M.; Stinebring, D. (1997-07-14)
S2S – R&D for Western Water: Sources of Predictability Research & Experimental Prediction Product Development

Waliser, Duane (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019, 2019-11-07)
S5 Assessment Review: Recommended Changes and Dispositions

Willems, Phil (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2020, 2020-02-06)
S5 Error Budget Presentation to SIP

Lisman, Doug; Willems, Phil (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019, 2019-08-08)
Sabertooth: Integrated Avionics for Small Spacecraft Missions

Whitaker, William (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019, 2019-07-30)
Safe agents in space : preventing and responding to Anomalies in the Autonomous Sciencecraft Experiment

Tran, Daniel Q.; Chien, Steve; Rabideau, Gregg; Cichy, Benjamin (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005, 2005-07-25)

This paper describes the design of the Autonomous Sciencecraft Experiment, a software agent that has been running on-board the EO-I spacecraft since 2003. The agent recognizes science events, retargets the spacecraft to ...
Safe agents in space: lessons from the Autonomous Sciencecraft Experiment

Sherwood, Rob; Chien, Steve; Tran, Daniel; Cichy, Benjamin; Castano, Rebecca; Davies, Ashley; Rabideau, Gregg (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004., 2004-12-06)

An Autonomous Science Agent is currently flying onboard the Earth Observing One Spacecraft. This software enables the spacecraft to autonomously detect and respond to science events occurring on the Earth. The package ...
Safe and efficient one-hot state machine

Zheng, Jason; Katanyoutanant, Sunant; Le, Martin (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005., 2005-09-07)
Safe charges rates for lithium-ion cells : effects of lithium plating

Smart, M. C.; Whitcanack, L. D.; Ratnakumar, B. V. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2007., 2007-11-27)

A procedure is established to determine conditions that result in safe charging of Li-ion batteries under extreme conditions of charge rate and temperature.
Safe Landing on Uncertain Terrain - The Pillars of Europa Lander DDL

Martin, Alejandro San (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2020, 2020-09-17)
Safe laser beam propagation for interplanetary links

Wilson, Keith E. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2011, 2011)
Safe maritime autonomous path planning in a high sea state

Ono, Masahiro; Quadrelli, Marco; Huntsberger, Terrance L. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2014, 2014-06-04)

This paper presents a path planning method for sea surface vehicles that prevents capsizing and bow-diving in a high sea-state. A key idea is to use response amplitude operators (RAOs) or, in control terminology, the ...
Safe maritime navigation with COLREGS using velocity obstacles

Kuwata, Yoshiaki; Wolf, Michael; Zarzhitsky, Dimitri; Huntsberger, Terrance L. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2011., 2011-09-29)
Safe maritime navigation with COLREGs using velocity obstacles

Kuwata, Yoshiaki; Wolf, Michael T.; Zarzhitsky, Dimitri; Huntsberger, Terrance L. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2011., 2011-09-26)

This paper presents a motion planning algorithm for Unmanned Surface Vehicles (USVs) to navigate safely in dynamic, cluttered environments. The proposed algorithm not only addresses Hazard Avoidance (HA) for stationary and ...
Safe navigation on hazardous terrain

Tunstel, E.; Seraji, H.; Howard, A. (2002-02-21)

This paper presents a new strategy for autonomous navigation of field mobile robots on hazardous natural terrain using a fuzzy logic approach and a novel measure of terrain transversability.

Now showing items 27839-27858 of 35279

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