2016
DOI: 10.1002/mop.30133
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Cylindrical near‐field antenna measurement using a polarization reconfiurable probe

Abstract: A cylindrical near‐field antenna measurement using a probe with switchable polarization is described. The probe is a dual‐feed crossed‐dipole antenna with wideband operation, and its polarization can be switched between dual orthogonal linear polarizations by selecting one feed as the signal input port. The system layout for the proposed near‐field antenna measurement is shown. Two S‐band antennas, including a standard gain horn and a 1 × 8 planar array, are respectively selected as the antenna under test, and… Show more

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Cited by 3 publications
(2 citation statements)
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“…The three resonant modes can be simultaneously excited with the balun consisting of semirigid cables and shorting posts. The main structure of the balun used here is the same as that of the tradition one except for the characteristic impedance of the two coaxial cables is 75 Ω rather than 50 Ω. The use of the 75 Ω cable allows the coaxial balun to be with two different operation modes.…”
Section: Antenna Structure and Analysesmentioning
confidence: 99%
“…The three resonant modes can be simultaneously excited with the balun consisting of semirigid cables and shorting posts. The main structure of the balun used here is the same as that of the tradition one except for the characteristic impedance of the two coaxial cables is 75 Ω rather than 50 Ω. The use of the 75 Ω cable allows the coaxial balun to be with two different operation modes.…”
Section: Antenna Structure and Analysesmentioning
confidence: 99%
“…For each bowtie dipole, its total length is L and the width of the outer edge is W . A thin slit having the dimensions of l × w is embedded into each triangular patch, and it is helpful to obtain 50‐Ω input impedance at the feed points (port 1 and port 2) of the dipole antenna excited with coaxial baluns . To reduce the cross‐polarization, the length, h , of the balun is set to be about one‐quarter of the free‐space wavelength corresponding to f H .…”
Section: Antenna Structurementioning
confidence: 99%