人形体幽灵及其物理和数字双胞胎的验证用于身体区域无线电通信应用
IEEE transactions on bio-medical engineering
|March 3, 2025
概括
研究人员开发了现实的人工幻影 (PAP) 和数字双胞胎模型 (DTM) 来测试身体区域通信设备. 这些模型精确地模仿人类解剖学和介电性质,确保可靠的性能和安全评估.
科学领域:
- 生物医学工程 生物医学工程
- 电磁学 电磁学 电磁学 电磁学
- 人体建模的人体建模
背景情况:
- 人工幻象对于开发和测试身体区域无线电通信设备至关重要.
- 精确模拟人体解剖学和介电性质对于现实的设备评估至关重要.
研究的目的:
- 设计,制造和验证物理人形幽灵 (PAP) 和它们的数字双胞胎模型 (DTM).
- 创建代表各种身体类型 (肥胖和运动型) 的模型进行全面测试.
- 通过使用这些模型,评估植入式/体上无线电通信设备的性能和安全性.
主要方法:
- 用层次组织 (皮肤,脂肪,肌肉等) 制造异质PAP. 使用含水量低的材料.
- 为每个PAP开发互补的数字双胞胎模型 (DTM).
- 对介电特性与IFAC数据库 (0.5-10 GHz) 的验证.
- 对反射系数 (S11) 的分析和对特定吸收率 (SAR) 的模拟用于设备评估.
主要成果:
- 幻影组织的介电性质与IFAC数据库之间有很强的一致性.
- 在16个多月的时间里证明了幻影的介电,物理和机械稳定性.
- 证实了PAP的可重复使用性和可植入性,用于通信设备研究.
- 已确立的DTM可靠性,用于SAR分析的植入式和身体上的设备.
结论:
- 开发的PAP和DTM精确模拟了人类解剖学和介电性质.
- 这些模型提供了一个可靠的平台来评估身体区域通信设备的性能和安全性.
- 该研究提供了一种经过验证的方法,用于推进植入式和体内无线电通信技术的研究.
相关概念视频
Dual Nature of Electromagnetic (EM) Radiation
Electromagnetic (EM) radiation consists of electric and magnetic field components oscillating in planes perpendicular to each other and mutually perpendicular to radiation propagation through space. EM radiation can be classified as a wave, characterized by the properties of waves such as wavelength (denoted as λ) and frequency (represented by ν).
Wavelength is the distance between two consecutive peaks (the highest point) or troughs (the lowest point) in the wave. Frequency is the number of...
Wavelength is the distance between two consecutive peaks (the highest point) or troughs (the lowest point) in the wave. Frequency is the number of...
Applications of EMF Measurements
Electromotive force (EMF) measurements have a broad range of applications in various fields, including chemistry and physics. The electrochemical series, an arrangement of elements in order of their standard electrode potentials, can be determined through EMF measurements. Elements with lower standard potentials can reduce ions of elements with higher standard potentials.The standard cell potential, E°, allows for the calculation of the standard reaction Gibbs energy, ΔG°, and the equilibrium...
Electronic Distance Measuring Instruments
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...


