Developments in 4D-Var and Kalman Filtering - European Centre

filter4dUse ’s filters to change the colors, saturation, contrast, or lhting on an image, PNG, JPG, GIF, or video file. Filter an image and make adjustments from any computer, tablet orTechnical 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 rank