Auflistung nach Schlagwort "Parameter estimation"

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  • A Bayesian estimation method for variational phase-field fracture problems 
    Khodadadian, Amirreza; Noii, Nima; Parvizi, Maryam; Abbaszadeh, Mostafa; Wick, Thomas; Heitzinger, Clemens (Berlin : Springer, 2020)
    In this work, we propose a parameter estimation framework for fracture propagation problems. The fracture problem is described by a phase-field method. Parameter estimation is realized with a Bayesian approach. Here, the ...
  • Backdoors for linear temporal logic 
    Meier, Arne; Ordyniak, Sebastian; Sridharan, Ramanujan; Schindler, Irena (Wadern : Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH, 2017)
    In the present paper, we introduce the backdoor set approach into the field of temporal logic for the global fragment of linear temporal logic. We study the parameterized complexity of the satisfiability problem parameterized ...
  • Berechnung der seitlichen Ankopplung eines Rechteckhohlleiters an einen Rundhohlleiter 
    Marquard, Jürgen; Wendel, Ralf; Grimm, Mathias (Berlin : De Gruyter, 1994)
    Es wird ein Berechnungsverfahren zur Bestimmung der Streuparameter der seitlichen Ankopplung eines Rechteckhohlleiters an einen Rundhohlleiter vorgestellt. Die Anordnung wird in einen Resonator- und drei Hohlleiterbereiche ...
  • Comparison of target-and mutual informaton based calibration of terrestrial laser scanner and digital camera for deformation monitoring 
    Omidalizarandi, Mohammad; Neumann, Ingo (Göttingen : Copernicus GmbH, 2015)
    In the current state-of-the-art, geodetic deformation analysis of natural and artificial objects (e.g. dams, bridges,.) is an ongoing research in both static and kinematic mode and has received considerable interest by ...
  • Evaluation and optimization of parameters in the measurement for airborne scanner using response surface method 
    Zhang, Ding-bang; Zhang, Yi; Shen, Zheng; Cheng, Tao; Bai, Yongtao (London : SAGE Publications Ltd., 2019)
    This paper aims to evaluate the working parameters and try to make an optimized use of the parameters which affect the measurement accuracy of airborne scanner. First, based on response surface method, three levels of ...
  • Finite element analysis based on a parametric model by approximating point clouds 
    Xu, Wei; Neumann, Ingo (Basel : MDPI AG, 2020)
    Simplified models are widely applied in finite element computations regarding mechanical and structural problems. However, the simplified model sometimes causes many deviations in the finite element analysis (FEA) of ...
  • A global approach for image orientation using Lie algebraic rotation averaging and convex L∞ minimisation 
    Reich, Martin; Heipke, Christian (Göttingen : Copernicus GmbH, 2014)
    In this paper we present a new global image orientation approach for a set of multiple overlapping images with given homologous point tuples which is based on a two-step procedure. The approach is independent on initial ...
  • Gravitational waves: search results, data analysis and parameter estimation 
    Astone, Pia; Weinstein, Alan; Agathos, Michalis; Bejger, Michal; Christensen, Nelson; Dent, Thomas; Graff, Philip; Klimenko, Sergey; Mazzolo, Giulio; Nishizawa, Atsushi; Robinet, Florent; Schmidt, Patricia; Smith, Rory; Veitch, John; Wade, Madeline; Aoudia, Sofiane; Bose, Sukanta; Bustillo, Juan Calderon; Canizares, Priscilla; Capano, Colin; Clark, James; Colla, Alberto; Cuoco, Elena; Costa, Carlos Da Silva; Dal Canton, Tito; Evangelista, Edgar; Goetz, Evan; Gupta, Anuradha; Hannam, Mark; Keitel, David; Lackey, Benjamin; Logue, Joshua; Mohapatra, Satyanarayan; Piergiovanni, Francesco; Privitera, Stephen; Prix, Reinhard; Purrer, Michael; Re, Virginia; Serafinelli, Roberto; Wade, Leslie; Wen, Linqing; Wette, Karl; Whelan, John; Palomba, C.; Prodi, G. (Luxemburg : Springer Science+Business Media B.V., 2015)
    The Amaldi 10 Parallel Session C2 on gravitational wave (GW) search results, data analysis and parameter estimation included three lively sessions of lectures by 13 presenters, and 34 posters. The talks and posters covered ...
  • Impact of parameter updates on soil moisture assimilation in a 3D heterogeneous hillslope model 
    Brandhorst, Natascha; Neuweiler, Insa (Munich : EGU, 2023)
    Variably saturated subsurface flow models require knowledge of the soil hydraulic parameters. However, the determination of these parameters in heterogeneous soils is not easily feasible and subject to large uncertainties. ...
  • Implementation and Testing of a Genetic Algorithm for a Self-learning and Automated Parameterisation of an Aerodynamic Feeding System 
    Busch, Jan; Blankemeyer, Sebastian; Raatz, Annika; Nyhuis, Peter (Amsterdam : Elsevier B.V., 2016)
    An active aerodynamic feeding system developed at the IFA offers a large potential regarding output rate, reliability and neutrality towards part geometries. In this paper, the procedure of a genetic algorithm's into the ...
  • Obstacle-based self-calibration techniques for the determination of the permittivity of liquids 
    Rolfes, I. (Göttingen : Copernicus GmbH, 2007)
    In this contribution, different obstacle-based self-calibration techniques for the measurement of the dielectric properties of liquids are investigated at microwave frequencies. The liquid under test is contained inside a ...
  • On-line estimation of local oscillator noise and optimisation of servo parameters in atomic clocks 
    Leroux, Ian D.; Scharnhorst, Nils; Hannig, Stephan; Kramer, Johannes; Pelzer, Lennart; Stepanova, Mariia; Schmidt, Piet O. (Bristol : Institute of Physics Publishing, 2017)
    For atomic frequency standards in which fluctuations of the local oscillator (LO) frequency are the dominant noise source, we examine the role of the the servo algorithm that predicts and corrects these frequency fluctuations. ...
  • Relative camera pose estimation method using optimization on the manifold 
    Cheng, Chuanqi; Hao, Xiangyang; Li, Jiansheng (Göttingen : Copernicus GmbH, 2017)
    To solve the problem of relative camera pose estimation, a method using optimization with respect to the manifold is proposed. Firstly from maximum-a-posteriori (MAP) model to nonlinear least squares (NLS) model, the general ...