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首页> 外文期刊>電子情報通信学会技術研究報告. 無線電力伝送 >Capsule Antenna Design Based on Transmission Factor in Wireless Power Transfer Applications
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Capsule Antenna Design Based on Transmission Factor in Wireless Power Transfer Applications

机译：基于传输因子在无线电力传输应用中的胶囊天线设计

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摘要

To design antennas for ingestible wireless capsule endoscope systems, the transmission factors of dipole and loop antennas placed in the torso-shaped phantom filled with human body equivalent liquid (HBEL) are investigated by numerical and experimental study. The S-parameter method is used to evaluate transmission characteristics through a torso-shaped phantom in a broadband frequency range. Good agreement of S-parameters between measured results and numerical analysis is observed and the transmission factors for both cases are obtained. Two types of antennas, dipole antenna and loop antenna are compared. In the case of dipole antenna placed in HBEL, there is a local maximum in the transmission factor at 675 MHz. This phenomenon has not been observed in the case of loop antenna. The transmission factors of capsule dipole antenna and capsule loop antenna are compared and the guideline in designing capsule antennas in wireless power transfer applications is also proposed.
机译：为了设计用于可摄取的无线胶囊内窥镜系统的天线，通过数值和实验研究研究了放置在填充有人体等同液体（HBEL）的躯干形模镜中的偶极子和环天线的透射因子。 S参数方法用于评估宽带频率范围内的躯干幻像的传输特性。 观察到测量结果与数值分析之间的S参数吻合良好，并获得两种情况的透射因子。 比较两种类型的天线，偶极天线和环形天线。 在放置在HBEL中的偶极天线的情况下，在675MHz的传输因子中存在局部最大值。 在环形天线的情况下，尚未观察到这种现象。 还提出了比较胶囊偶极天线和胶囊环天线和胶囊环形天线的传输因子，并且还提出了在无线动力传递应用中设计胶囊天线的指导。

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