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A generalized high order finite-difference time domain (FDTD) method has been proposed to analyze the scattering problems. In this method, the discrete singular convolution (DSC) is used to deal with the spatial difference. At the same time, the symplectic integration propagator is used for time difference. A non-uniform gridding method is utilized to generate a more flexible computational domain...
A generalized higher-order finite-difference method (in which the time difference utilizes the symplectic integrator propagator and the spatial difference utilizes the discrete singular convolution) is proposed to analyze electromagnetic scattering from multiple targets. Numerical test results have demonstrated the higher stability and enhanced effectiveness of the proposed method when compared with...
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