نتایج جستجو برای: geometrical modeling

تعداد نتایج: 416179  

2005
Alexander Cong Yi Liu

Localization and quantification of the light sources generated by the expression of bioluminescent reporter genes is an important task in bioluminescent imaging of small animals, especially the generically engineered mice. To employ the Monte Carlo method for the light-source identification, the surfaces that define the anatomic structures of the small experimental animal is required; to perfor...

2017
Gaël Ecorchard Reimund Neugebauer Patrick Maurine

Redundantly actuated Parallel Kinematic Machines (PKMs) offer a number of advantages compared to classical non-redundant PKMs. Particularly, they show a better stiffness thanks to singularity avoidance and they have an improved repeatability due to a better behavior against backlashes. The main problem with the calibration of these machines is that the redundancy leads to some mechanical strain...

Journal: :Journal of Optics 2021

Abstract As an approximate theory that is highly regarded for its computational efficiency, geometrical optics (GO) widely used modeling waves in various areas of physics. However, GO fails at caustics, which significantly limits applicability. A new framework, called metaplectic (MGO), has recently been developed allows caustics certain types to be modeled accurately within the framework. Here...

2008
Piotr BORKOWSKI Tomasz SOWIŃSKI Krzysztof KWIATKOWSKI Konstanty SKALSKI Magdalena ŻABICKA Mark POLCZYŃSKI

Piotr BORKOWSKI, Warsaw University of Technology, Institute of Mechanics and Design, Warsaw, Tomasz SOWIŃSKI, Military Institute of the Health Services, Department of Orthopaedics, Warsaw, Krzysztof KWIATKOWSKI, Military Inst. of the Health Services, Depart. of Orthopaedics, Warsaw, Konstanty SKALSKI, Warsaw University of Technology, Institute of Mechanics and Design,Warsaw, Magdalena ŻABICKA, ...

2005
Paul T. Calamia Peter Svensson Thomas A. Funkhouser

In time-domain simulations of sound propagation and/or scattering, it is possible to model the geometricalacoustics (GA) components and the edge-diffraction components separately and combine the results into a “total” impulse response. However, such separate calculations can limit the efficiency and accuracy of the simulations because the two components are not independent. This paper presents ...

Journal: :CoRR 2014
Evgeny Nikulchev

This monograph presents a geometric modeling method nonlinear dynamical systems from experimental data . basis method is a qualitative approach to the analysis of linear models and construction of the symmetry groups of attractors of dynamical systems with controls . A theoretical study including the central theorem manifold defining conditions of existence of the class in question models in th...

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