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R. Goeke - IEEE Xplore Author Profile

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There is often a dielectric separation barrier between vacuum and water-containing (or oil-containing) sections in pulsed power systems. This barrier must successfully hold off electrical breakdown as the applied electrical pulse is rising and delivering electrical energy to the downstream load. While breakdowns during the falling end of the pulse are somewhat understood to be electron cascade and...Show More
The Sun has remained a difficult source to image for radio telescopes, especially at the low radio frequencies. Its morphologically complex emission features span a large range of angular scales and the emission mechanisms involved, span a wide range in brightness temperatures. In addition, time and frequency synthesis, the key tool used by most radio interferometers to build up information about ...Show More
The Murchison Widefield Array (MWA) is a new low frequency interferometric radio telescope, operating in the remote Murchison Radio Observatory in Western Australia. In this paper we present the first MWA observations of the well known radio relics in Abell 3667 (A3667) between 120 and 226 MHz. We clearly detect the radio relics in A3667 and present flux estimates and spectral indices for these fe...Show More