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The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Abstract: The Murchison Widefield Array (MWA) is one of three Square Kilometre Array Precursor telescopes and is located at the Murchison Radio-astronomy Observatory in the Murchison Shire of the mid-west of Western Australia, a location… (More)
The radiation fields, both near and far fields, from a PCB enclosed in a rectangular metallic box with an aperture are predicted using method of moments. Validation measurements were conducted. Good agreement is achieved in both cases. The results indicate that MoM shows promise for predicting the EMC behaviour of such a PCB enclosed by a shielding box with… (More)
This paper outlines the challenge of practical EMC measurements on a large electronic system destined for a radio astronomy observatory. The digital receiver package of the Murchison Widefield Array (MWA) is used as a case study and progress towards meeting what is probably one of the world's most stringent EMC requirement is described.