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Filtering by: Subject Electric waves Remove constraint Subject: Electric waves Degree Level Doctoral Remove constraint Degree Level: Doctoral Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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  • The diffraction of cylindrical waves by two parallel half planes

    Creator:
    Soni, Raj Pal
    Abstract:
    The electromagnetic field produced by a line current oriented parallel to the edges of two perfectly conducting parallel half planes is considered. Maxwell's equations reduce to a single wave equation involving only one component of the electric field. Moreover the value of the field is zero on the two half...
    Resource Type:
    Dissertation

  • Tone burst deconvolution

    Creator:
    Rathja, Roy C.
    Abstract:
    The suitability of discrete least-squares optimal (Wiener) filters for deconvolution of tone-burst waveforms is studied. It is shown that: (1) such waveforms are not well suited to these filters without preprocessing, (2) the use of exponential weighting results in a significant improvement in filter performance and (3) that "phase-unwrapping" in...
    Resource Type:
    Dissertation
    Full Text:
    the leading edge (epoch detection) and the amplitude of the various fundamental wave- forms. The

  • Analysis and modeling of electrically long MESFETS and coupled schottky lines

    Creator:
    Mohammed, Ahmed Sarhan
    Abstract:
    The properties of linear active coupled lines consisting of electrically long GaAs MESFET structures are investigated for possible applications as traveling-wave broad-band amplifiers. In addition, the nonlinear coupled Schottky lines are studied for applications as voltage tunable circuit elements. The analysis of the general active asymmetric coupled transmission lines in...
    Resource Type:
    Dissertation
    Full Text:
    GaAs MESFET structures are investigated for possible applications as traveling-wave broad-band