A New Approach to Solving Integral Equation for Transient Scattering by a Lossy Dielectric Cylinder

Peng Zhongqiu

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A New Approach to Solving Integral Equation for Transient Scattering by a Lossy Dielectric Cylinder

更新时间：2025-12-08

- A New Approach to Solving Integral Equation for Transient Scattering by a Lossy Dielectric Cylinder
- Acta Electronica Sinica Issue 9, Pages: 70-76(1993)
- 作者机构：
  
  电子科技大学微波工程系,成都,610054
- 作者简介：
- 基金信息：
- DOI：
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- Published：1993
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[1]彭仲秋.有耗介质柱体瞬态散射积分方程的新解法[J].电子学报,1993(09):70-76.

Peng Zhongqiu. A New Approach to Solving Integral Equation for Transient Scattering by a Lossy Dielectric Cylinder[J]. Acta Electronica Sinica, 1993, (9): 70-76.
[1]彭仲秋.有耗介质柱体瞬态散射积分方程的新解法[J].电子学报,1993(09):70-76. DOI：

Peng Zhongqiu. A New Approach to Solving Integral Equation for Transient Scattering by a Lossy Dielectric Cylinder[J]. Acta Electronica Sinica, 1993, (9): 70-76. DOI：

摘要

本文研究二维非均匀有耗介质柱在电极化二维脉冲波激励下的瞬态散射。采用分片双线性插值的空间离散方案

经解析处理

子域上的积分能得到闭式结果。离散化方程在复频域用CG-FFT法求解

并用一种新外推法产生初值

数值结果证实了本文方法的有效性。

Abstract

The transient scattering of an electrically polarized

2-D pulsed wave by 2-D inhomoge-neous

lossy dielectric cylinder is investigated.In space discretization

a piecewise bilinear interpolation is used.THe integrals over patches are carried out analytically in closed form.The discretized equation in complex-frequency domain is sloved by using the CG-FFT method and the initial estimates are generated by using a new extrapolation scheme.Numerical results verify the efficiency of the new approach in this paper.

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WU Feng

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Related Institution

Department of computer,Harbin Institute of Technology

Institute of Computing Technology

Department of computerHarbin Institute of TechnologyHarbin 150001China

Institute of Computing TechnologyBeijing 100080China

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