3,168 research outputs found

    Technology to Support Rural Health and Well-being

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    radR: an open-source platform for acquiring and analysing data on biological targets observed by surveillance radar

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    <p>Abstract</p> <p>Background</p> <p>Radar has been used for decades to study movement of insects, birds and bats. In spite of this, there are few readily available software tools for the acquisition, storage and processing of such data. Program radR was developed to solve this problem.</p> <p>Results</p> <p>Program radR is an open source software tool for the acquisition, storage and analysis of data from marine radars operating in surveillance mode. radR takes time series data with a two-dimensional spatial component as input from some source (typically a radar digitizing card) and extracts and retains information of biological relevance (i.e. moving targets). Low-level data processing is implemented in "C" code, but user-defined functions written in the "R" statistical programming language can be called at pre-defined steps in the calculations. Output data formats are designed to allow for future inclusion of additional data items without requiring change to C code. Two brands of radar digitizing card are currently supported as data sources. We also provide an overview of the basic considerations of setting up and running a biological radar study.</p> <p>Conclusions</p> <p>Program radR provides a convenient, open source platform for the acquisition and analysis of radar data of biological targets.</p

    National Investment Policy for Aquaculture Parks in Uganda

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    According to the National Development Plan (NDP), fish farming in Uganda presents immense opportunities for socio-economic development, in terms of livelihood, income, and employment. The need  for the National Investment Policy for Aquaculture Parks in Uganda arose out of public demand for guidance on the investment in commercial scale aquaculture. Stakeholders in aquaculture demanded public guidance and support for implementation of the Aquaculture Parks Concept that is prioritized in Development Strategy and Investment Plan (DSIP) within the Ministry of Agriculture, Animal Industry and  Fisheries (MAAIF)

    Financing Direct Democracy: Revisiting the Research on Campaign Spending and Citizen Initiatives

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    The conventional view in the direct democracy literature is that spending against a measure is more effective than spending in favor of a measure, but the empirical results underlying this conclusion have been questioned by recent research. We argue that the conventional finding is driven by the endogenous nature of campaign spending: initiative proponents spend more when their ballot measure is likely to fail. We address this endogeneity by using an instrumental variables approach to analyze a comprehensive dataset of ballot propositions in California from 1976 to 2004. We find that both support and opposition spending on citizen initiatives have strong, statistically significant, and countervailing effects. We confirm this finding by looking at time series data from early polling on a subset of these measures. Both analyses show that spending in favor of citizen initiatives substantially increases their chances of passage, just as opposition spending decreases this likelihood

    The performance of TripleSpec at Palomar

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    We report the performance of Triplespec from commissioning observations on the 200-inch Hale Telescope at Palomar Observatory. Triplespec is one of a set of three near-infrared, cross-dispersed spectrographs covering wavelengths from 1 - 2.4 microns simultaneously at a resolution of ~2700. At Palomar, Triplespec uses a 1×30 arcsecond slit. Triplespec will be used for a variety of scientific observations, including moderate to high redshift galaxies, star formation, and low mass stars and brown dwarfs. When used in conjunction with an externally dispersed interferometer, Triplespec will also detect and characterize extrasolar planets

    Einstein on the beach

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    Programa d'Einstein on the beach de P. Glass i R. Wilson, que es va representar al Gran Teatre del Liceu durant els mesos de setembre i octubre de 1992. La companyia estava formada per M. Beckenstein, L. Bielawa, S. Blakensop, J. Charleston, L. Childs, M. L. Dávila, M. Eaton, K. Geissinger, M. Gezairlian Grib, E. Higby, M. Ing, J. Johnson, B. Jones, J. Kaufman, J. Kensmoe, J. Koch, E. W. Lamp, C. Lipowicz, J. McGruder, J. Montemarano, G. Nimmer, K. Norderval, M. Pogliani, G. Purnhagen, G. Reigenborn, P. Stewart i S. L. Suton. També hi van participar la Lucinda Childs Dance Company i el Philip Glass Ensemble. La direcció musical va anar a càrrec de M. Riesman i la d'escena de R. WilsonThe Philip Glass Ensemble dirigit per M. Riesma
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