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Accurate and low-cost localisation is an essential requirement in many sensor and ad hoc network applications. This paper presents a platform, both hardware and software, that has been developed as a flexible tool for research in ubiquitous localisation in applications such as emergency services. The system has also been designed to be small and with sufficiently long battery life to be suitable for...
At CSIRO we are engaged in developing enabling technologies for future wireless data communication networks. We have developed a real-time signal processing hardware demonstrator which is suitable for flexible prototyping of new wireless signalling proposals using multiple transmitters and multiple receivers at each end of a communication link, known as multiple-input multiple-output (MIMO). Significant...
This paper describes the development of a connected-array approach to wideband focal-plane arrays for use in radioastronomy. Aspects of the analysis and design as well as the manufacture and testing of prototype linear and checkerboard connected arrays are presented.
Complex equipment for crystal growth in the dynamic regime was used to measure simultaneously the growth kinetics of three large KDP crystals at around 55°C, in ∼ 9 of solution at pH = 4.7. The same pattern of evolution was recorded for the prismatic faces of all crystals. The (heterogenous) nucleation mechanism of growth changed to a dislocntion mechanism at σ 7% and a @'dead@' growth zone...
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