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Compensation of element pattern in 3-element array sensor for estimation of electromagnetic source location

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5 Author(s)
Awai, K. ; Sendai EMC Res. Center, Japan ; Aizawa, D. ; Taira, K. ; Sawaya, K.
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We present a measurement technique using equally spaced dipole sensors to estimate undesired electromagnetic source location emitted from electronic equipment in a short time. A compensation method for an array element pattern is also proposed. This 3-element array sensor yields experimental values of amplitude and phase differences between the received voltage of each array element and those of a single sensor placed at the same position of each array element of array sensor for cases with array spacing of 0.5 and 1 wavelengths. In addition, the received voltage after compensation using experimental data agrees with the received voltage by scanning a single sensor within 0.2dB in amplitude and 1.6° in phase.

Published in:

Electromagnetic Compatibility, 2003. EMC '03. 2003 IEEE International Symposium on  (Volume:1 )

Date of Conference:

11-16 May 2003