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- W956194979 abstract "This thesis presents contributions to radio astronomy in theareas of instrumentation, pulsar astronomy and low frequency radioastronomy made over a twenty year period. The contributions ininstrumentation include the development of broad-band array telescopesfor use at low frequencies, a new control system for the Parkestelescope and a wide-band spectrograph and polarimeter using surfaceacoustic wave devices. In pulsar astronomy significant contributionsinclude extensive studies of pulsar polarization, detailedobservations of the recovery from period discontinuities and thediscovery of the first radio pulsar in another galaxy. The papers inlow frequency radio astronomy give the first high-resolution whole skysurveys at frequencies below 20 MHz, and an analysis which revealedthe free electron distribution in the galactic plane subsequentlyconfirmed by other measurements such as the dispersion of pulsarsignals.The great majority of the work reported here has been carried outusing national or shared facilities - for example the AustralianNational Radio Astronomy Observatory at Parkes, New South Wales, andfacilities of the Deep Space Communications Network operated for NASA.Many of the equipment configurations were 'unusual' in the sense ofbeing non-standard at the observatories. It is neither feasible norsensible to operate someone else's telescope in such a manner on yourown, and I have had very profitable collaboration not only withcolleagues and students at the University of Tasmania but also withmembers of the CSIRO Division of Radiophysics (which Division operatesthe Parkes Observatory). Such collaboration has been a vital factor ingetting the science done but it has led to joint authorship of many ofthe papers in this collection, and at times the ordering of authors ona paper has been influenced by more than scientific factors (includinga scientific journal's house style).I have therefore prefaced the thesis with a short review,concentrating on my contributions to the material presented. Not allthe publications which are submitted are covered by the review, butrather the key papers and topics. The review is followed by a fulllist of the papers submitted, together with further comments on mycontributions to papers with several authors. The thesis concludeswith the submitted papers grouped according to topic rather than inchronological order.All of the material presented here is original; I have submittednone of it for the Degree of Doctor of Science." @default.
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- W956194979 date "1984-01-01" @default.
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- W956194979 title "Contributions to radio astronomy" @default.
- W956194979 hasPublicationYear "1984" @default.
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