236 research outputs found

    The analysis of medium-sized arrays of complex elements using a combination of FDTD and reaction matching

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    Configurable microwave structures for software defined (and cognitive) radio front ends

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    An adaptive microstrip patch antenna for use in portable transceivers

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    This paper describes an adaptive frequency tunable microstrip patch antenna. The introduction of an adaptive feedback loop enables the patch antenna to optimise the antenna-feed impedance match. As a result, the performance of the antenna is less affected by external disturbances such as coupling to nearby objects. Measurements evaluating the performance of the proposed antenna, in terms of transmitted power and bit error rate, are presente

    Optimising radio coverage for wireless media servers

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    Conformability of a textile antenna for reception of digital television

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    Comparison of an electrically-small planar antenna array with a conventional monopole array

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    The treatment of geometrically small structures in FDTD by the modification of assigned material parameters

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