EM Scattering From a Target Above a 1-D Randomly Rough Sea Surface Using GPU-Based Parallel FDTD

被引：25

作者：

Jia, Chungang ^{[1
]}

Guo, Lixin ^{[1
]}

Yang, Pengju ^{[1
]}

机构：

[1] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷

基金：

美国国家科学基金会;

关键词：

Composite scattering; finite-difference time domain (FDTD); graphics processing unit (GPU); sea surface; CUDA IMPLEMENTATION; BISTATIC SCATTERING; SIMULATION; MEDIA;

D O I：

10.1109/LAWP.2014.2360415

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：

This letter presents the graphics processing unit (GPU)-based finite-difference time-domain (FDTD) algorithm to investigate the electromagnetic (EM) scattering from a target above a rough sea surface. The proposed method is validated by comparing the numerical results to those obtained through sequential FDTD execution on a central processing unit (CPU), as well as through method of moments (MOM). The comparison results show a significant improvement in computation efficiency for GPU-based FDTD versus the message passing interface (MPI)-based FDTD. Furthermore, our parallel implementation is employed to study the influences of wind speed and the tilt angle of the target on composite scattering from the target above a sea surface.

引用

页码：217 / 220

页数：4

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