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
收藏
页码：217 / 220
页数：4
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