IEC/IEEE 62704的这一部分确立了概念、技术、验证程序，时域有限差分法（FDTD）用于测定标准人体解剖模型中暴露于车载天线在30 MHz至1 GHz频率范围内发射的电磁场中的峰值空间平均和全身平均比吸收率（SAR）时的不确定性和局限性，涵盖典型的大功率移动无线电产品和应用。本文件规定并提供了试验车辆、人体模型以及这些车辆的一般基准数据 模型。它定义了天线位置、操作配置、暴露条件，以及暴露在车载天线产生的电场中的人员的典型位置。 本文件的未来版本将考虑将频率范围扩展至6 GHz。本文件不推荐特定的峰值空间平均和全身平均SAR限值，因为这些限值可在其他文件中找到，例如IEEE C95。1-2005年，ICNIRP（1998年）。交叉引用:IEC/IEEE 62704-1:2017IEC 60050（所有部分）IEEE标准291-1991EEE标准1309-2005IEEE标准C95。3-2002购买本文件时可获得的所有现行修订均包含在购买本文件中。

This part of IEC/IEEE 62704 establishes the concepts, techniques, validation procedures, uncertainties and limitations of the finite difference time domain technique (FDTD) when used for determining the peak spatial-average and whole-body average specific absorption rate (SAR) in a standardized human anatomical model exposed to the electromagnetic field emitted by vehicle mounted antennas in the frequency range from 30 MHz to 1 GHz, which covers typical high power mobile radio products and applications. This document specifies and provides the test vehicle, human body models and the general benchmark data for those models. It defines antenna locations, operating configurations, exposure conditions, and positions that are typical of persons exposed to the fields generated by vehicle mounted antennas. The extended frequency range up to 6 GHz will be considered in future revisions of this document. This document does not recommend specific peak spatial-average and whole-body average SAR limits since these are found in other documents, e.g. IEEE C95.1-2005, ICNIRP (1998).Cross References:IEC/IEEE 62704-1:2017IEC 60050 (all parts)IEEE Std. 291-1991IEEE Std. 1309-2005IEEE Std. C95.3-2002All current amendments available at time of purchase are included with the purchase of this document.