Beam-separation constraints in a beam-switched radio telescope

Details Beam-separation constraints in a beam-switched radio telescope Beam-separation constraints in a beam-switched radio telescope

Jul 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974pirea..35..199f&link_type=abstract

Proc. Inst. Radio Electron. Wng. Australia, Vol. 35, p. 199 - 201 = Div. Radiophys. C.S.I.R.O., Sydney, Radiophys. Publ. RPP 175

Astronomy and Astrophysics

Astronomy

Antenna Feeds, Antenna Radiation Patterns, Atmospheric Effects, Beam Switching, Radio Telescopes, Point Sources, Polarization Characteristics, Radio Astronomy, Troposphere

Scientific paper

When a two-beam switching technique is used to minimise those fluctuations at the output of a radio telescope which are caused by tropospheric effects, the separation between the two beams of the radio telescope should be minimised. We examine the constraints imposed by the geometry of certain feeds, the electrical isolation between them and the distortion of the radiation patterns when such minimisation is sought.

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