A Novel Marching-on-in-Degree Solver of Time Domain Parabolic Equation for Transient EM Scattering Analysis

被引：7

作者：

He, Zi ^{[1
]}

Chen, Ru Shan ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Dept Commun Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2016年 / 64卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Alternating direction implicit (ADI); CrankNicolson (CN); marching-on-in-degree (MOD) method; time domain parabolic equation (TDPE); ELECTRICALLY LARGE TARGETS; TEMPORAL BASIS FUNCTIONS; FIELD INTEGRAL-EQUATION; RADIO TRANSMISSION LOSS; ADI-PE METHOD; LAGUERRE-POLYNOMIALS; ELECTROMAGNETIC SCATTERING; DEGREE MOD; PROPAGATION; TUNNELS;

D O I：

10.1109/TAP.2016.2598157

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel marching-on-in-degree (MOD) solver of 3-D time domain parabolic equation is proposed to solve the transient electromagnetic scattering from electrically large perfect electric conductor (PEC) targets. The finite difference (FD) scheme is applied to the spatial discretization, while the weighted Laguerre polynomials are used as the temporal basis functions. In this way, a large number of computational resources can be saved by using the FD scheme along the paraxial direction and the late-time stability can be guaranteed by the MOD method. Both the FD schemes of Crank-Nicolson and the alternating direction implicit types are discussed in this communication. Numerical results are given to demonstrate the accuracy and efficiency of the proposed method.

引用

页码：4905 / 4910

页数：6

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