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A Novel PO Solver for Uncertainty EM Computation of Electrically Large Targets

机译:一种用于不确定度EM计算电力目标的新型PO解决者

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摘要

A novel PO method is proposed to analyze the uncertain scattering problems. The algorithm starts with modeling the target with a variable shape by using the non-uniform rational B-spline (NURBS) scheme. Then the scattering far-field is expressed in terms of the variable parameters in NURBS. It should be noted that the perturbation approach is applied to describe the uncertainty of the varying shapes. Compared with the traditional Monte Carlo (MC) method, only a few matrix equations are needed to be solved, so the efficiency will increase greatly. At last, several numerical examples are given to validate the accuracy and efficiency of the proposed method.
机译:提出了一种新的PO方法来分析不确定的散射问题。该算法通过使用不均匀的Rational B样条(NURBS)方案,以使用变量形状建模目标。然后,散射远场在NURBS中的可变参数方面表达。应注意,扰动方法被应用于描述不同形状的不确定性。与传统的蒙特卡罗(MC)方法相比,只需要若干矩阵方程来解决,因此效率将大大增加。最后,给出了若干数值示例来验证所提出的方法的准确性和效率。

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