1–20 von 21 Ergebnissen
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    Numerical study of steerable automotive antennas using artificial magnetic conductors

    Sugiura, S. / Iizuka, H. | Tema Archiv | 2008
    windshield. The steerable antenna unit has the feature of radiating only outside of the vehicle and not being influenced by the vehicle body. The ...
    Verlag: IEEE Operations Center , Piscataway

    Juno Microwave Radiometer Patch Array Antennas

    Chamberlain, N. / Chen, J. / Focardi, P. et al. | NTRS | 2009
    structure of Jupiter. This paper discusses the modeling and measurement of the two patch array antennas. An overview of the antenna architecture ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Electronics And Electrical Engineering

    Multi-band phased array antennas for air-platforms

    Tahim, R.S. / Foshee, J. / Chang, K. | Tema Archiv | 2002
    antennas would need control and switching to be accomplished at a centralized location on the airplane. ...
    Verlag: IEEE Operations Center , Piscataway

    Analysis of HF antennas on a helicopter in the presence of a stratified ground

    Han, Dong-Ho / Polycarpou, A.C. / Balanis, C.A. | Tema Archiv | 1999
    ground. In this paper, HF antennas, such as a 14-ft towel-bar and a 24-ft inverted-L on the AH-64 (Apache) full-scale helicopter, are analyzed in ...
    Verlag: IEEE Operations Center , Piscataway

    Measurements of monopulse scanning beam planar array in L band

    Sanchez-Sevilleja, S. / Dominguez-GranoOro, C. / Masa-Campos, J.L. et al. | Tema Archiv | 2008
    Verlag: IEEE Operations Center , Piscataway
    Schlagwörter: ebene Antenne

    Automotive FM Diversity Systems, Part II: Analog Systems

    Marrah, Jeffrey J. / Shatara, Raed S. | SAE Technical Papers | 2007
    propagation channel modeling and multipath fading. Part II deals with analog diversity systems which have been developed to combat the effects of this ...
    Verlag: Society of Automotive Engineers , SAE International
    Schlagwörter: Simulation and modeling , Antennas

    Scalar feeds for 8 wavelength diameter homogeneous lenses

    Gray, D. / Thornton, J. / Tsuji, H. et al. | IEEE | 2009
    and the small physical size of high gain antennas. Consequently, NICT plans to conduct a demonstration of such a system in late 2009. ...
    Verlag: IEEE

    Radar reflectors for submarines

    Haupt, Randy L. / Aten, Daniel / Haupt, Sue Ellen | IEEE | 2009
    The Echomax 305 was designed to give a more azimuthally symmetric RCS. Since the submarine has a large RCS at port and starboard already, a ...
    Verlag: IEEE

    An Investigation on Atmospheric Effects in Airborne Interferometric SAR data

    Freier Zugriff
    Danklmayer, Andreas / Macedo, Karlus | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2007
    and K.A.C. de Macedo. An experiment on atmospheric effects in airborne interferometric SAR data, International Symposion on Antennas and ...
    Schlagwörter: propagation effects

    A complete electromagnetic simulation of a ground penetrating radar for mine detection: theory and experiment

    Bourgeois, J.M. / Smith, G.S. | Tema Archiv | 1997
    receiving dipole antennas housed in corner reflectors and separated by a metallic septum. The dipoles are tuned to the frequency 790 MHz. When this ...
    Verlag: Institute of Electrical and Electronics Engineers (IEEE) , New York
    Schlagwörter: bewegliche Antenne

    The authenticity of the "Newman" notebook and its reference to the "Yagi antenna"

    Usami, S. | Tema Archiv | 2001
    Newman who was stationed in Singapore in 1942. The notebook was found in Singapore and contained information on a searchlight control radar (SLC ...
    Verlag: IEEE Operations Center , Piscataway
    Schlagwörter: Yagi-Antenne

    Phased Array Transmit Antenna for a Satellite

    Huggins, R. W. / Heisen, P. T. / Miller, G. E. et al. | NTRS | 1999
    spacecraft. Benefits include the elimination of deployable structures, no moving parts, and no torque disturbances that moving antennas impart to the ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Communications And Radar

    High-order finite-difference methods in computational electromagnetics

    Zingg, D.W. | Tema Archiv | 1997
    paper presents a discussion of issues arising in the application of high-order finite-difference methods to simulations of the propagation and ...
    Verlag: Institute of Electrical and Electronics Engineers (IEEE) , New York

    An application of the "virtual spacecraft" concept in evaluation of the Mars Pathfinder Lander low gain antenna

    Pogorzelski, R.J. / Beckon, R.J. | Tema Archiv | 1997
    represent all, or a portion of, a spacecraft. This paper describes a simulation designed to evaluate a communications link between the Earth and the ...
    Verlag: Institute of Electrical and Electronics Engineers (IEEE) , New York
    Schlagwörter: Antenne mit niedrigem Gewinn

    Analysis of electric field distribution near car in radio remote control system for electric equipment installed in car

    Sato, K. / Nishikawa, K. / Kojima, Y. et al. | Tema Archiv | 1999
    of the antennas. Accordingly, we consider that it is necessary to analyze the electromagnetic field distributions near the car body and ...
    Verlag: IEEE Operations Center , Piscataway
    Schlagwörter: Antennensystem

    Calculating radiation force on carbon fiber gossamer space sailcraft

    Whites, K.W. / Knowles, T.R. | Tema Archiv | 2001
    concentrated sources such as powerful lasers. Advances in materials processing and deployment practices have led to the development of practical ...
    Verlag: IEEE Operations Center , Piscataway

    HIRF penetration into a fuselage-like body: FDTD predictions vs. measurements

    Birtcher, C. / Georgakopoulos, S. / Balanis, C.A. | Tema Archiv | 2001
    effectiveness, a measure of field penetration, of a 1:20 scaled simplified aircraft fuselage was predicted using the FDTD method and was compared with ...
    Verlag: IEEE Operations Center , Piscataway

    Ultra-wideband UHF microstrip array for GeoSAR application

    Thomas, R.E. / Huang, J. | Tema Archiv | 1998
    GeoSAR is a program sponsored by DARPA (Defense Advanced Research Projects Agency) and NASA (National Aeronautics and Space Administration ...
    Verlag: Institute of Electrical and Electronics Engineers (IEEE) , New York
    Schlagwörter: NASA (National Aeronautics and Space Administration)

    An experimental model of a acousto-electromagnetic sensor for detecting land mines

    Scott, W.R. jun. / Martin, J.S. | Tema Archiv | 1998
    A hybrid technique is presented in this paper that simultaneously uses both electromagnetic and acoustic waves in a synergistic manner to ...
    Verlag: Institute of Electrical and Electronics Engineers (IEEE) , New York

    Reconfigurable aperture decade bandwidth array

    Veihl, J.C. / Hodges, R.E. / McGrath, D. et al. | Tema Archiv | 2000
    and improve performance characteristics such as the radar cross section (RCS), it is desirable to combine multiple functions into a single ...
    Verlag: IEEE Operations Center , Piscataway