1–20 von 68 Ergebnissen
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    Agile Satellite Planning for Multi-Payload Observations in Earth Science Models

    Rich Levinson / Sreeja Nag / Vinay Ravindra | NTRS
    We present the planner methods and preliminary results for a new paradigm of earth observing systems based on coordinating science ...
    Schlagwörter: Soil Moisture Model

    Exploring and Sampling on Mars with NASA's 2012 Curiosity Rover

    Vasavada, A. R. / Anderson, R. C. / MSL Science Team | ASCE | 2012

    The Mars Science Laboratory mission delivers the Curiosity rover to the surface of Mars in August 2012 to assess whether its Gale Crater

     ...
    Schlagwörter: Soil structures

    Updating Lunar Subsurface Geotechnical Properties Based Upon Nonlinear Winkler Modeling of Apollo and Lunokhod Measurements

    J.F. Connolly / W.D. Carrier | NTRS
    Schlagwörter: Nonlinear soil behavior , Lunar soil shear strength

    Scanning L-Band Active Passive (SLAP) - Recent Results from an Airborne Simulator for SMAP

    Kim, Edward | NTRS | 2015
    Active Passive (SMAP) satellite instrument suite. SLAP conducted its first test flights in December, 2013 and participated in its first science ...
    Schlagwörter: soil moisture

    UAVSAR Program: Initial Results from New Instrument Capabilities

    Lou, Yunling / Hensley, Scott / Moghaddam, Mahta et al. | NTRS | 2013
    Investigators as well as a radar test-bed for new radar observation techniques and radar technology demonstration. Since commencing operational science ...
    Schlagwörter: soil moisture

    The HYDROS mission: requirements and baseline system design

    Njoku, Eni / Spencer, Michael / McDonald, Kyle et al. | NTRS | 2004
    The HYDROS mission is under development by NASA as part of its Earth System Science Pathfinder program. HYDROS is designed to provide ...
    Schlagwörter: soil moisture

    An Engineering Guide to Lunar Geotechnical Properties

    John Connolly / W David Carrier | NTRS | 2023
    Schlagwörter: Lunar Soil , Lunar And Planetary Science And Exploration

    AquiferEx Optical and Radar Campaign - Objectives and First Results

    Freier Zugriff
    Scheiber, Rolf / Oppelt, Natascha / Horn, Ralf et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2006
    radar data in support of science product development with respect to water management applications in semi-arid areas. Both the optical sensor ...
    Schlagwörter: soil moisture

    Soil Test Apparatus for Lunar Surfaces

    Rahmatian, Laila A. / Metzger, Philip T. | ASCE | 2010
    Schlagwörter: Soil tests

    Scaling of Erosion Rate in Subsonic Jet Experiments and Apollo Lunar Module Landings

    Metzger, P. T. / Lane, John E. / Immer, C. D. et al. | ASCE | 2010
    Schlagwörter: Soil erosion

    Utilization of Ancillary Data Sets for Conceptual SMAP Mission Algorithm Development and Product Generation

    O'Neill, P. / Podest, E. | NTRS | 2011
    response to the National Research Council's Decadal Survey, Earth Science and Applications from Space: National Imperatives for the Next Decade and ...
    Schlagwörter: Soil Moisture Active Passive (SMAP) , soil moisture

    AquiferEx: Results of the Optical and Radar Airborne Campaign in Tunisia

    Freier Zugriff
    Scheiber, Rolf / Hajnsek, Irena / Horn, Ralf et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2007
    radar data in support of science product development with respect to water management applications in semi-arid areas. Both the optical (AVIS ...
    Schlagwörter: soil moisture

    Granular Flow and Dynamics of Lunar Simulants in Excavating Implements

    Agui, Juan H. / Wilkinson, R. Allen | ASCE | 2010
    Schlagwörter: Soil mechanics

    Latest advances in the Microwave Observatory of Subcanopy and Subsurface (MOSS) project

    Moghaddam, M. / Rahmat-Samii, Y. / Cable, V. et al. | NTRS | 2003
    Schlagwörter: deep soil moisture low frequency radar IIP subsurface sensing

    Compact, lightweight dual-frequency microstrip antenna feed for future soil moisture and sea surface salinity missions

    Yueh, Simon H. / Wilson, William J. / Njoku, Eni et al. | NTRS | 2003
    Schlagwörter: soil moisture

    Important Considerations for Lunar Soil Simulants

    Taylor, Lawrence A. / Liu, Yang | ASCE | 2010
    Schlagwörter: Soil mechanics

    Power Measurements to Excavate Lunar Soil Simulant GRC-3B Using Arc Backhoe Trajectories

    Margaret P Proctor / Fransua Thomas | NTRS
    Schlagwörter: Lunar And Planetary Science And Exploration , soil

    A New Lunar Soil Simulant in China

    Jiang, Mingjing / Li, Liqing / Wang, Chuang et al. | ASCE | 2010
    Schlagwörter: Soil properties

    Cost-Effective Telemetry and Command Ground Systems Automation Strategy for the Soil Moisture Active Passive (SMAP) Mission

    Choi, Joshua S. / Sanders, Antonio L. | NTRS | 2012
    sequencing to those used for real-time operations, and even further to those that enable science data exchange. A full end-to-end automation of the ...
    Schlagwörter: Soil Moisture Active Passive (SMAP)

    Contour Crafting Simulation Plan for Lunar Settlement Infrastructure Buildup

    Khoshnevis, B. / Carlson, A. / Leach, N. et al. | ASCE | 2012
    Schlagwörter: Soil structures