1–20 von 31 Ergebnissen
|

    IAMAS: a century of international cooperation in atmospheric sciences

    Freier Zugriff
    MacCracken, Michael C. / Volkert, Hans | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2019
    expansion of global trade, better public warnings of extreme weather, and safer and more effective military operations. Since its foundation, in ...
    Schlagwörter: atmospheric research

    In Situ Resource Utilization: Excavation to Support Other Operations

    Boles, Walter / Kirby, Kam / Baird, Scott | ASCE | 2002
    operations Potential problems associated with intentional contact are discussed in this paper along with recommended areas for further research. The ...

    Recent Progress in Thermally Induced Vibrations Research

    Johnston, John D. / Foster, Richard S. / Eby, David L. et al. | ASCE | 1996
    of a spacecraft and in extreme cases may affect the stability of the entire vehicle. Examples of recent spacecraft whose performance has been ...
    Schlagwörter: Research

    Experimental and theoretical research of electron motion in MPFS

    Bulgakov, A.A. / Jezmer, A.N. / Yefimov, B.P. | IEEE | 2002
    Forming conditions of electron flow motion in flowing space of magnet periodical focusing system (MPFS) have been theoretically and ...

    A Preliminary Research on Space Situational Awareness Based on Event Cameras

    Xiao, Kun / Li, Pengju / Wang, Guohui et al. | IEEE | 2022
    , low bandwidth and low power consumption. We carried out a series of observation experiments in a simulated space lighting environment. The ...

    Aerodynamic actuation characteristic research of array plasma synthetic jet actuator

    Li, Zheng / Shi, Zhiwei / Du, Hai et al. | IEEE | 2017
    An array PSJA is tested in this paper by using high-speed phase-lock schlieren system. The characteristic of the transient flow field is ...

    Research on general unified normalization computing for the gravitational potential tensor of arbitrary orders

    Dong, Changhong / Wang, Yu / Gao, Xiaoqing et al. | IEEE | 2017
    harmonic series in a rectangular structure of all orders are constructed herein for the evaluation of arbitrary order derivatives, whose ...

    A data base for Arabic handwritten text recognition research

    Al-Ma'adeed, S. / Elliman, D. / Higgins, C.A. | IEEE | 2002
    contains some useful preprocessing operations. In this paper the most popular words in Arabic writing were identified for the first time, using an ...

    High-altitude atmospheric measurements at 92/183 GHz onboard the ER-2 research aircraft

    Gagliano, J. A. / Gregorwich, W. | IEEE | 1983
    at 92/183 GHz was used in a series of flights over ocean, land, and along the Northern California coastline. Results from selected data ...

    Combustion Processes and Applications in Reduced Gravity

    Ross, Howard D. | ASCE | 1996
    research, practices and policies as they relate to NASA's crew-inhabited spacecraft, and (3) spinoff technologies principally in miniaturized and ...

    Traffic Flow Theories

    Springer Verlag | 2002
    Schlagwörter: Operations Research/Decision Theory

    Numerical Investigation of Thermo-Mechanical Behaviour of an Aluminum-Silicon Alloy Piston in an IC Engine

    Khan, Shah Nawaz / Usman, Ali / Mourad, Abdel-Hamid Ismail et al. | IEEE | 2022
    Increasing the power to volume density of an engine has been a significant research concern. A turbocharger is usually utilized to boost ...

    Broadcast ephemeris SISRE assessment and systematic error characteristic analysis for BDS and GPS satellite systems

    Jiang, Nana / Cao, Yueling / Xia, Fengyu et al. | Elsevier | 2024
    Abstract This study comprehensively evaluated the signal-in-space range ...

    Self-Powered Dust Mitigation on the Moon

    Choi, Sang H. / Moses, Robert W. | ASCE | 2021
    at NASA Langley Research Center to demonstrate feasibility of a prototype in a simulated lunar environment. Further work is intended to ...

    Granular Morphology and Mineralogical Composition for Modeling Lunar Dust Behavior

    Deitrick, S. R. / Bullard, J. / Shumaker, N. et al. | ASCE | 2021
    the Moon, but also in situ resource utilization (ISRU) efforts such as resource processing, resource excavation, and in situ construction ...

    The Impact of Incidental Contact with Regolith in Martian and Lunar Environments

    Kirby, Kam / Boles, Walter / Baird, Scott | ASCE | 2002

    Future missions to Mars and the lunar surface will require innovative thinking in order to combat the harsh conditions found in these

     ...

    LunarSat, the European Lunar Microorbiter Mission: A Project Status Report

    Eckart, Peter | ASCE | 2000

    LunarSat, the Lunar Academic and Research Satellite, is a micro-spacecraft that will be sent into an orbit around the Moon to perform

     ...
    Schlagwörter: Research

    New Model and Analytical Review of Approaches to Buckling Problem Investigation of Structurally Anisotropic Aircraft Panels Made from Composite Materials

    Gavva, L. M. | Springer Verlag | 2020
    composite structure design in the field of production technology is the outlook research trend. New mathematical model relations for the buckling ...

    Spacecraft Anomaly Detection via Transformer Reconstruction Error

    Meng, Hengyu / Zhang, Yuxuan / Li, Yuanxiang et al. | Springer Verlag | 2020
    models, due to its ignoring distance. In this paper, we continue the research on transformer and propose a transformer-based architecture, masked ...

    Quality Assessment of 3D Printed Products

    Soliman, Essam / Alzahrani, Bander | IEEE | 2021
    The present research considered the effects of different 3D printing parameters on the quality of 3D printed products. The parameters ...