4D Energy-Filtered STEM: A New Approach for Mapping

filter4dTechnical Memorandum No.347 1 Developments in 4D-Var and Kalman Filtering by Mike Fisher and Erik Andersson Abstract We discuss the status and the performance of the reduced rankFiltered is a learning tech pany that helps organisations get the best return on their L&D spend. That means using data to decide on the most important skills for an organisation.