在10GHz以上的频率下,对安装在机身上的设备吸收功率密度的可追溯评估
Ninad Chitnis1, Fariba Karimi1,2, Sven Kühn1
1Foundation for Research on Information Technologies in Society (IT'IS), Zurich, Switzerland.
Bioelectromagnetics
|August 14, 2025
概括
一种新方法使用专门的探针和幻影精确地测量了人体组织中吸收功率密度 (APD). 这一进步对于移动设备安全测试至关重要,并确保可靠的电磁场暴露评估.
科学领域:
- 电磁学和剂量测量 电磁学和剂量测量
- 生物医学工程 生物医学工程
- 移动设备技术 移动设备技术
背景情况:
- 准确的吸收功率密度 (APD) 评估对于移动设备安全至关重要.
- 现有的方法在模拟人类组织特性和测量范围方面存在局限性.
- 为了符合监管要求,需要标准化和可靠的实验验证.
研究的目的:
- 开发一种全面的实验方法来评估吸收功率密度 (APD).
- 引入新型组件,包括专用探头,复合幻影和校准技术.
- 为了验证系统的移动设备类型批准在广泛的频率范围.
主要方法:
- 开发一个专门的微型剂量测量宽带探针.
- 创造了一种新的复合幻影,模仿皮肤的电磁特性和透深度.
- 使用参考天线实施重建技术,校准方法和验证过程.
- 系统设计为24~30 GHz,可扩展到10~45 GHz.
主要成果:
- 开发的系统实现了广泛的动态范围和足够的空间分辨率,用于类型批准.
- 这款新型复合幻影有效地模拟了人类皮肤的反射和传递系数.
- 验证表明偏差很小,在峰值APD (pAPD) 时为1.6dB,空间峰值平均APD (psAPD) 时为1.5dB.
结论:
- 综合方法为实验APD评估提供了可靠和准确的方法.
- 该系统适用于移动设备的类型批准,确保符合安全标准.
- 该方法在电磁场暴露研究中具有更广泛的应用潜力.
关键词:
5G NR FR2 FR2 的使用情况.在APD的评估系统中,APD的评估系统.吸收功率密度 (APD) 是指吸收的功率密度.剂量测量探头的探头剂量测量方法 剂量测量方法现场重建重建的重建.在毫米波波中.幻影是一个幻影.更多相关视频
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