The calculation of reflector antenna polarized radiation

The calculation of reflector antenna polarized radiation

A partly analytical process is described for calculating the far-zone patterns of reflector antennas which may have nonlinear polarization. Wave polarization equations are given for a focused but not necessarily symmetrical paraboloid. The process applies for any point-source feed whose radiation ch...

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Veröffentlicht in:I.R.E. transactions on antennas and propagation 1960-01, Vol.8 (1), p.43-49
1. Verfasser: Raburn, L.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Antennas and propagation
Equations
Feeds
Optical reflection
Pattern analysis
Phase measurement
Polarization
Reflector antennas
Surface waves
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Beschreibung
Zusammenfassung:A partly analytical process is described for calculating the far-zone patterns of reflector antennas which may have nonlinear polarization. Wave polarization equations are given for a focused but not necessarily symmetrical paraboloid. The process applies for any point-source feed whose radiation characteristics, including wave polarization, are known either by theory or measurements. Calculated and measured patterns are given for a fan-beam antenna whose reflector is 120 \lambda high and 30 \lambda wide. They agree well near the axis and agree qualitatively for off-axis angles of several beamwidths. The sources of errors are discussed.
ISSN:0096-1973
1558-3643
DOI:10.1109/TAP.1960.1144809