阵列传感器中元件方向图补偿的实验研究

2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446) Pub Date : 2003-10-14 DOI:10.1109/ISEMC.2003.1236621

K. Awai, D. Aizawa, K. Taira, K. Sawaya

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引用次数: 0

摘要

提出了一种利用等间距偶极子传感器测量电子设备短时间内发射的非期望电磁源位置的方法。提出了一种阵元方向图的补偿方法。在阵列传感器阵列间距为0.5波长和1波长的3元和5元阵列传感器情况下，得到了阵列传感器各阵列元件接收电压与放置在阵列传感器各阵列元件相同位置的单个传感器接收电压的幅值和相位之差的实验值。实验数据补偿后的接收电压与扫描单个传感器的接收电压在0.4 dB的幅值和2.4度的相位范围内一致。

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Experimental study on compensation of element pattern in array sensor

A measurement technique by using equally spaced dipole sensors is presented to estimate undesired electromagnetic source location emitted from electronic equipment in a short time. A compensation method for array element pattern is also proposed. Experimental values of the difference of the amplitude and phase between the received voltage of each array element and that of a single sensor placed at the same position of each array element of array sensor are obtained for the cases of 3-element and 5-element array sensors with the array spacing of 0.5 wavelength and 1 wavelength. It is also shown that the received voltage after compensation using experimental data agrees with the received voltage by scanning a single sensor within 0.4 dB in amplitude and 2.4 degrees in phase.

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2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446)

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