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Quality control of CarboEurope flux data - Part I: Footprint analyses to evaluate sites in forest ecosystems
(2007)Biogeosciences DiscussionsWe applied a site evaluation approach combining Lagrangian Stochastic footprint modelling with a quality assessment approach for eddy-covariance data to 25 forested sites of the CarboEurope-IP network. The analysis addresses the spatial representativeness of the flux measurements, instrumental effects on data quality, spatial patterns in the data quality, and the performance of the coordinate rotation method. Our findings demonstrate that ...Working Paper -
Model predictive control of uncertain constrained linear systems; LMI-based methods
(2006)University of Cambridge, Department of Engineering Technical ReportThe time-varying state-feedback control of a constrained linear state-space system is addressed via Linear Matrix Inequality (LMI) based optimization methods. The constraints are specified as ellipsoidal or hyperplane constraints on the inputs and states, and the approach presented allows these to be specified without any conservativeness. The control action is specified in terms of both feedback and feedforward components. Uncertainty ...Report -
Design and Test Beam Performance of Substructures of the CMS Tracker End Caps
(2005)CMS NoteWith its total active silicon area of about 200 squaremetres and more than 15000 silicon modules the silicon strip tracker of the CMS experiment at the LHC will be the largest silicon strip detector ever built. While the performance of single silicon modules has already been tested extensively in various test beam experiments, the performance of larger integrated substructures also had to be studied with a particle beam before launching ...Working Paper