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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/113609

    Title: The Effect of Dielectric Overlay on Microstrip Antenna Embedded in Composite Laminated Substrates
    Authors: Yang, S. M.;Hung, C.-C.
    Keywords: microstrip antenna;composite laminated substrate;dielectric overlay
    Date: 2015-03
    Issue Date: 2018-06-05 12:10:13 (UTC+8)
    Abstract: Composite structures with desire mechanical properties can be tailored to embed microstrip antenna for reducing
    aerodynamic disturbance in aerospace systems. This work aims at developing a spectral domain model to analyze
    the effect of dielectric overlay on the performance of microstrip antenna embedded in composite laminated
    substrates. Analysis shows that antenna performance depends not only on the dielectric overlay but also on the
    laminate layer’s electromagnetic property, fiber direction, and stacking sequence. The common belief that the
    antenna size will be reduced because of the increase of equivalent permittivity by the dielectric overlay is no longer
    valid in composite laminated substrates. Of the eight substrates studied, overlay can, in general, reduce antenna
    radiation efficiency; however, it is found to have favorable effect in substrates with some selected electromagnetic
    properties and stacking sequence. For example, removing the antenna overlay in [45/-45/-45/45/45/-45]
    substrate can be counterproductive.
    Relation: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 28(2), p.155-163
    DOI: 10.1002/jnm.1993
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Journal Article

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