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- Graauw, A.F.F. de (author) report 1980
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Hauer, M. (author), Van der Meulen, T. (author)Aan het begin van deze studie bestond onduidelijkheid over de vraag in hoeverre het eventueel falen van een geometrisch open filterconstructie in een open waterloop nu het gevolg zou zijn van onzekerheden met betrekking tot het bij het ontwerp gehanteerde rekenmodel, of juist van onzekerheden met betrekking t o t onnauwkeurigheden bij de bouw...report 1997
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Blom, H.A.P. (author)The problem considered is filtering for Gaussian observations of linear differential systems that are driven by both Wiener processes and marked Poisson point processes. Well-known representations of the MMSE-filter for such a Markov jump-diffusion are a differential for the evolution of its conditional density or differentials for all its...report 1982
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- Klein Breteler, M. (author), Adel, H. den (author), Koenders, M.A. (author) report 1992
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Vrijling, J.K. (author), Hauer, M. (author), Van der Meulen, T. (author)Dit rapport betreft het verslag van een studie naar de variatie in kwaliteit van granulaire materialen bij toepassingen in filterconstructies. De onderzochte kwaliteit betrof daarbij zowel de homogeniteit van het materiaal als de bij de uitvoering van lagen gerealiseerde laagdiktes. Als gevolg van ontmenging kan het materiaal in een constructie...report 1999
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- Verheij, H.J. (author) report 1999
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- Meulen, T. van der (author), Smith, G.M. (author) report 1995
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Ten Brummelhuis, P.G.J. (author), De Jong, B. (author), Heemink, A.W. (author)This report gives an exposition of the applications Kalman filters and the related nonlinear filters offer when used in models describing tidal motion in seas and estuaries. In addition to methods that are generally used in this field, for example deterministic and black-box models, Kalman filters can provide significant contributions in...report 1985
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Den Adel, H. (author)Er is uitgezocht, aan welke eisen de onderlaag van een steenzetting moet voldoen. Hierbij is vastgesteld dat voor stabiel materiaal, dat wil zeggen materiaal dat niet verweert, breekt of verkit, een band kan worden aangegeven, waarbinnen de cumulatieve korrelverdeling van de onderlaag moet liggen. Als slechts èèn materiaal als filter gebruikt...report 1985
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Gerritsen, F.A. (author)This report describes the design and implementation of the Delft Image Processor DIP-1. In this pipelined image-processing computer, a number of storage and processing modules which operate concurrently and synchronously (hardware floating-point ALUs and multiplier, conversion table and cellularlogic table) may be interconnected in a...report 1982
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van Woerkom, P.T.L.M. (author), Traas, C.R. (author)The ESA starmapper is an optical-electronic instrument with an array of photo-sensitive slits, to "be strapped down to spinning spacecraft. Recorded times of passage of known stars over these slits, together with mathematical models for spacecraft dynamics and starmapper instrument, provide the basis for recursive estimation of the spacecraft...report 1978
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- Moll, J.R. (author) report 1991
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- Meulen, T. van der (author) report 1984
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Hofland, B. (author)The second chapter describes the general methodology of the research. It presents the key questions about the entrainment of stones from granular filters that are as yet unanswered. It also describes the aspects that are being regarded in the analysis in this report. In chapter 3 the measuring set-up is described. The following two chapters...report 2001
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Prins, J.J.M. (author)Torque and force irregularities of running reaction wheels were studied. In this first part of the study report results from noise measurements at constant wheel speeds on various types of current technology European reaction wheels, both with ball- and magnet bearings and with DC or AC drive motor, are presented. The measured noise in radial...report 1982
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Hoffmans, G.J.C.M. (author), Den Adel, H. (author), Verheij, H.J. (author)Scour is a natural phenomenon caused by the flow of water in rivers and streams and occurs as a part of the morphological changes caused by rivers or as a result of man-made structures. For the Dutch Delta Works hydraulic structures were often constructed on fines with loose packing. To guarantee the geotechnical stability of these structures...report 2000
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Breeman, J.H. (author), Simons, J.L. (author)A very accurate measurement system and a data reduction method have been developed to extract performance data from a single dynamic maneuver, in order to reduce the large amoimt of flight hours required for the determination of these data by means of measurements in steady flight. In order to evaluate the applicability of this method to a modem...report 1978
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Zwartbol, T. (author), Terpstra, A.P. (author), van Woerkom, P.T.L.M. (author), van den Dam, R.F. (author)This document presents an approach to sampled data, on-board estimation and control of the attitude motion of manoeuvring spacecraft. Algorithms which are developed include: a - model following control of attitude manoeuvres b - estimation of spacecraft state (attitude, angular velocity, disturbance torque) c - optical-inertial attitude...report 1982
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Traas, C.R. (author)The report reviews a number of digital filtering methods and gives examples of their application. The methods include batch processing methods and rec\irsive methods, not only in the classical formulations but also in square-root formulations. The latter formulations have the purpose to prevent certain numerical inconveniences. Much attention is...report 1976
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- Boogaard, H.F.P. van den (author) report 1996