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Tytuł pozycji:

Source Reconstruction in Near-Field Scanning Using Inverse MoM for RFI Application.

Tytuł :
Source Reconstruction in Near-Field Scanning Using Inverse MoM for RFI Application.
Autorzy :
Rezaei, Hossein
Meiguni, Javad Soleiman
Sorensen, Morten
Jobava, Roman G.
Khilkevich, Victor
Fan, Jun
Beetner, Daryl G.
Pommerenke, David
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Temat :
ELECTRIC field integral equations
LINE drivers (Integrated circuits)
ERROR analysis in mathematics
NEAR-fields
MOMENTS method (Statistics)
MAGNETIC fields
Źródło :
IEEE Transactions on Electromagnetic Compatibility; Aug2020, Vol. 62 Issue 4, p1628-1636, 9p
Czasopismo naukowe
The ability to predict the electric and magnetic fields generated by a component can solve many in-system interference problems before they occur. In this article, methods are presented to predict the high-frequency near electric and magnetic fields from a component using a method of moment approach. The current representation is estimated from a near electric-field scan by solving the electric field integral equation. The reconstruction method was validated with measurements of a test board containing a buffer integrated circuit. The current representation was shown to accurately predict fields at locations both above and to the side of the buffer with less than a 3.5-dB average error. Here, a near-field scan was only performed on a flat plane above the emitter and was used to predict sources to the side of the emitter. To accurately predict fields to the side of the emitter, the current representation must be defined on a surface between the emitter and the prediction location. An error analysis was performed to understand the impact of scan plane parameters, such as the size of the scan plane, the size of the current representation, and the relative distance between the current representation and the estimated fields on prediction accuracy. [ABSTRACT FROM AUTHOR]
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