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IEEE Antennas and Propagation Magazine

Issue 1 • Date Feb. 1994

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Displaying Results 1 - 4 of 4
  • Antenna R&D at France Telecom: the CNET Laboratory in La Turbie

    Publication Year: 1994, Page(s):7 - 15
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (950 KB)

    The article gives an overview of the research and development activities of the CNET Antenna Laboratory, in La Turbie, France. After a brief introduction to CNET, it describes three main families of software, developed for axisymmetrical antennas and feeds, center- or offset-fed multiple reflector antennas, and arbitrarily shaped radiating structures. A planar-microstrip array, developed in cooper... View full abstract»

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  • High-efficiency FET/microstrip-patch oscillators

    Publication Year: 1994, Page(s):16 - 19
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (350 KB)

    The author discusses class-C FET/patch oscillators; in these, the microstrip-patch antenna serves multiple purposes: the patch radiates energy, acts as a resonant load, and as a feedback network. These integrated antenna/oscillators are capable of efficiencies which approach conventional non-radiating oscillator designs.<> View full abstract»

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  • Baseband-pulse-antenna techniques

    Publication Year: 1994, Page(s):20 - 30
    Cited by:  Papers (146)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (980 KB)

    Frequency-domain concepts and terminology are commonly used to describe antennas. These are very satisfactory for a CW or narrowband application. However, their validity is questionable for an instantaneous wideband excitation. Time-domain and/or wideband analyses can provide more insight and more effective terminology. Two approaches for this time-domain analysis have been described. The more com... View full abstract»

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  • Future trends in antennas and propagation for the US Space Program

    Publication Year: 1994, Page(s):31 - 35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (559 KB)

    The future trends for antennas and propagation in space programs play a prominent role in three areas: information transfer, energy transfer, and remote-vision sensing. Associated with these applications of electromagnetic waves are propagation, scattering, and visualization and simulation. The author shows several unique characteristics, of planetary-surface and interplanetary regions, which have... View full abstract»

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