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Formulas for the Computation of the Far-field Radiation Patterns of Rectangular Microstrip Antenna Elements with Thick Substrates by Mehmet Kara is a Engineering article available to read on EtoBox.

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Formulas based on the two-slot, the ca ̈ity, and the surface current models to compute the far-field radiation patterns in both the E and H planes for rectangular microstrip antenna elements are studied and their ̈alidity assessed. Three closed-form formulas are presented for the calculation of the radiation patterns in the E plane for antenna elements with substrates thicker than those reported elsewhere. These are deri ̈ed by modifying the two-slot model by the use of empirically deri ̈ed correction factors, taking into account the power radiated in space and surface wa ̈es, the surface-wa ̈e model coefficients, and the line extension. The capability of the de ̈eloped formulas is illustrated by comparison between the computed results and experimental measurements. The computed results are in good agreement with measurements. The H-plane patterns are computed from the two-slot model andror the ca ̈ity models. The half-power beamwidth in the E and H planes ha ̈e also been determined for each of the antenna elements in ̈estigated in this work.

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Author

Mehmet Kara

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0895-2477)

Published

1997

Language

EN

Field

Engineering (Physical Sciences)