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

页码：5913 / 5918

页数：7

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