具有逆磁电效应的机械散热器的分析方法

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2021-12-01 DOI:10.1109/isape54070.2021.9753169

Wei Shi, Qiang Zhou, Shuangrui Yu, Bin Liu

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引用次数: 0

摘要

给出了层合复合材料作为VLF辐射体的理论分析方法。建立了材料内部的声波与材料外部的电磁波之间的关系。在其他文献给出典型材料参数的情况下，用该方法计算的等效磁偶极矩与前人的实验结果基本一致。给出了自由空间和半空间条件下小于100 m范围内的近场计算结果。磁场强度随r3衰减，在100 m处均可获得大于10 fT的磁通强度。该机械辐射器在甚低频及以上波段的近场通信中具有潜在的应用前景。

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The Analysis Method for the Mechanical Radiator with Converse Magneto-electric Effect

The theoretical analysis method for the laminated composites as a VLF radiator is given. The relation between the acoustic wave inside the material and EM wave outside is established. In condition of the typical material parameters given in other published work, the computed equivalent magnetic dipole moment with the method is in substantial agreement with the result from the experiment in preceding work. The calculated near field in the range less than 100 m is given for free space and half space condition. The field intensity decays with r3, and the magnetic flux intensity of more than 10 fT at 100 m can be obtained for both situations. This mechanical radiator has potential applications in near field communications at VLF band or above.

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2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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