Feeding structure contribution to radiation by patch antennas with rectangular boundaries

A combination of piecewise sinusoidal-pulse functions and semi-infinite microstrip current expansion functions is used in the full-wave spectral-domain method to analyze microstrip antennas with arbitrary rectangular boundaries. Radiation properties are formulated in the spectral domain to achieve h...

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Published in:IEEE transactions on antennas and propagation 1992-10, Vol.40 (10), p.1245-1249
Main Authors: Wu, S.-C., Alexopoulos, N.G., Fordham, O.
Format: Article
Language:English
Subjects:
Antenna feeds
Antenna measurements
Antenna radiation patterns
Current distribution
Dielectric substrates
Impedance measurement
Integral equations
Microstrip antennas
Patch antennas
Transmission line measurements
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cited_by cdi_FETCH-LOGICAL-c306t-6898eda77b5be01f1c4b487edaffd97d7b8fcc30d975a429aef3c47475d1f2b73
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description A combination of piecewise sinusoidal-pulse functions and semi-infinite microstrip current expansion functions is used in the full-wave spectral-domain method to analyze microstrip antennas with arbitrary rectangular boundaries. Radiation properties are formulated in the spectral domain to achieve high numerical efficiency. Two types of microstrip antennas, edge-fed rectangular and inset fed patches, have been analyzed and measured. A line-reflect-line de-embedding algorithm has been implemented to measure the input impedance of both antennas. The results show good agreement between measurement and calculated data. The radiation patterns from the edge-fed rectangular patch are measured and are compared with the theoretical data. Results show that the current on the feed line can disturb the antenna radiation pattern.< >
doi_str_mv 10.1109/8.182458
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source IEEE Xplore (Online service)
subjects Antenna feeds
Antenna measurements
Antenna radiation patterns
Current distribution
Dielectric substrates
Impedance measurement
Integral equations
Microstrip antennas
Patch antennas
Transmission line measurements
title Feeding structure contribution to radiation by patch antennas with rectangular boundaries
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