On accuracy of simple FDTD models for the simulation of human body path loss

S. Makarov, U. Khan, Md. Monirul Islam, R. Ludwig, K. Pahlavan
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引用次数: 11

Abstract

This paper compares a basic, MATLAB coded, time-domain FDTD formulation for the path loss around the human body with accurate FEM modeling in Ansoft HFSS (ANSYS). We show that the time domain FDTD analysis yields comparable results even though it uses a homogeneous body model and simple boundary conditions. Reasons for this important observation are investigated. The present study only considers the exterior TX and RX antennas, which are located close to the body. A more detailed FDTD simulation of on-body antennas [1] is currently underway.
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简单时域有限差分模型模拟人体路径损耗的精度研究
本文将基于MATLAB编码的基本时域时域有限差分(FDTD)人体周围路径损耗计算公式与Ansoft HFSS (ANSYS)中精确的有限元建模方法进行了比较。我们表明,时域时域有限差分分析即使使用均匀的体模型和简单的边界条件也能产生可比的结果。对这一重要观察的原因进行了调查。本研究仅考虑靠近机身的外部TX和RX天线。目前正在对体上天线进行更详细的时域有限差分仿真[1]。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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