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Based on one dimensional first-order basis function, the construction process of the second and third-order scalar hierarchical basis functions in two dimensional case is given. The second and the third-order basis functions are applied to discontinuous Galerkin time domain (DGTD) algorithm. The influence of order of the basis function in accuracy of DGTD is analyzed.
A 2-D discontinuous Galerkin time-domain (DGTD) scheme based on high-order hierarchical basis function is presented in this paper. Combined with the shift operator method solving the electromagnetic problem of dispersive media in finite-difference time domain, the iterative formula of DGTD method in dealing with plasma media is given. On this basis, taking the example of line element radiation, the...
The precessional phenomenon and the dynamical model of hemispherical resonator gyro are investigated in this paper. And experiments are performed on a specimen gyro (HRG-14) to measure its zero drift and scale factor. A new analysis of precession in the view of particle force is proposed. Thin shell theory and virtual displacement principle are employed to derive the dynamical model of the hemispherical...
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