High-frequency electromagnetic field coupling to long terminated lines

We present a theory for the EMC problem of electromagnetic field coupling to a long line with arbitrary terminations. The theory is applicable for the high-frequency plane wave electromagnetic field excitations, when the transmission line approximation is no longer valid. Analytical expressions are derived for the induced current along the line, and at the two-line terminals. The coefficients of these expressions are determined using a procedure based on the exact solutions of the integral equation for two similar line configurations, but having a significantly shorter length. The method is, therefore, particularly efficient when considering the electromagnetic field coupling to very long lines. The advantage of the proposed approach is that, in contrast with transmission line approximation, it takes into account high-frequency radiation effects. Furthermore, it allows a considerable reduction in computation time and storage requirements with respect to conventional numerical solutions based on the thin-wire approximation


Published in:
IEEE Transactions on Electromagnetic Compatibility, 43, 2, 117 - 29
Year:
2001
ISSN:
0018-9375
Keywords:
Note:
HF EM field coupling;high-frequency electromagnetic field coupling;long terminated lines;terminations;plane wave electromagnetic field excitations;transmission line approximation;induced current;two-line terminals;exact solutions;integral equation;high-frequency radiation effects;computation time reduction;storage requirements reduction;numerical solutions;thin-wire approximation;EMC;
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 Record created 2007-04-04, last modified 2018-03-18


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