射频识别阅读器天线辐射磁场的平面波频谱分析

2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE) Pub Date : 2018-08-01 DOI:10.1109/EMCEUROPE.2018.8485150

K. Jomaa, F. Ndagijimana, H. Ayad, M. Fadlallah, J. Jomaah

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引用次数: 0

摘要

辐射设备的近电磁场表征需要在该设备附近的空间中进行3D场映射，特别是对于剂量学应用。在这项工作中，我们提出了平面波谱(PWS)方法从横向磁场分量中提取三维磁场分量，以及提取被测器件(DUT)上方不同平面的磁场分量。该操作在工作频率为13.56 MHz的RFID读取器天线上进行，该天线是在HFSS(高频结构模拟器)上设计和模拟的。通过比较理论、模拟和提取的不同高度的磁场量，得到了较好的一致性。

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Plane Wave Spectrum Method Applied on Radiated Magnetic Field from RFID Reader Antenna

Near electromagnetic field characterization for radiating devices requires the 3D field mapping in the space near this device, especially for dosimetric applications. In this work we present the plane wave spectrum (PWS) method to extract the 3D magnetic field components from the transverse ones, in addition to the extraction of the filed at different planes above the device under test (DUT). This operation was performed on an RFID reader antenna operating at 13.56 MHz that was designed and simulated on HFSS (high frequency structural simulator). Good agreements were found by comparing the theoretical, simulated, and extracted magnetic field quantities at different heights.

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2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE)

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