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Assessing the impact of real-time communication services on the space network ground segment
Published 2017“…To that end, we start by analyzing operational schedules for NASAs Space Network (SN) in order to characterize the utilization of the overall network in terms of total data volume and contact time, as well as identify current mission drivers. …”
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Architecting space communication networks under mission demand uncertainty
Published 2017“…NASAs Space Network has been a successful program that has provided reliable communication and navigation services for three decades. …”
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Architecting the ground segment of an optical space communication network
Published 2016“….: missions DESDyNI (now cancelled) and NISAR had together a requirement of 60 Tb/day, whereas the data-volume transmitted daily by the Space Network nowadays is roughly 40 Tb) and by the spectrum encroachment in current RF bands. …”
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Evaluation of health effects of air pollution in the Chestnut Ridge area : preliminary analysis
Published 2006“…Because the air quality monitoring network involves no expense to this contract this project affords a very cost-effective 6pportunity-for state-of-the-art techniques to be used in both costly areas of air pollution and health -effects data col1 ection. . The closely spaced network of monitors, plus the dispersion modeling capabilities,.allow for the investigation- of health impacts of. various pollutant gradients in neighboring geographic areas, thus minimizing -the confounding effects of social, ethnic, and economic factors. …”
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Technical Report