Ray Tracing for Simulation of Millimeter-Wave Whole Body Imaging Systems

被引：8
|
作者：
Williams, Kathryn [1 ]
Tirado, Luis [1 ]
Chen, Zhongliang [2 ]
Gonzalez-Valdes, Borja [1 ]
Martinez, Jose Angel [1 ]
Rappaport, Carey M. [1 ]
机构：
[1] Northeastern Univ, ALERT CenSSIS Ctr, Boston, MA 02115 USA
[2] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 12期
关键词：
Human body imaging; millimeter wave; NVIDIA OptiX Engine; ray tracing;
D O I：
10.1109/TAP.2015.2486801
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 ray tracing algorithm for modeling millimeter waves in a whole body imaging system is presented. Ray tracing is a well-known method for approximating high-frequency wave behavior and is well suited for implementation on graphics processing units (GPUs), presenting computational speed advantages over conventional full-wave modeling techniques. This method leverages the NVIDIA OptiX engine to ensure computational efficiency. Numerical results in this work are compared with conventional two-dimensional method of moments solutions to assess accuracy and computational times are compared with a three-dimensional GPU implementation of the modified equivalent current approximation.
引用
收藏
页码：5913 / 5918
页数：7
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