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Tony Brown (The University of Manchester)

Combs, Ears and Munks- some elements for dual-polarisation broad band array use- Tony Brown colloquium

The Australia Telescope National Facility Colloquium
15:30-16:30 Mon 06 Aug 2007

ATNF Marsfield Lecture Theatre


For successful operation over multi-octave frequency ranges places
interesting design challenges for the array element. Dependant on
whether sparse, semi-sparse or fully filled array geometries are used ,
the local environment around the element will constrain physical
dimensions differently and change the mutual coupling environment. In
this presentation performance trade-offs for various types of element
designs operating over the 300MHz to 1.2GHz range will be discussed.
This will focus on fully-filled array geometries for dual polarisation
operation but will include some comments on the consequences of using
sparse array configurations.

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Ilana Feain

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