Eur. Phys. J. AP
Volume 14, Number 3, June 2001
|Page(s)||193 - 197|
|Section||Instrumentation and Metrology|
|Published online||15 June 2001|
Numerical calculation of non-TEM-wave field patterns in Crawford-cells*
Brandenburg Technical University, Postfach 101344, 03013 Cottbus, Germany
Corresponding author: email@example.com
Revised: 18 December 2000
Accepted: 18 December 2000
Published online: 15 June 2001
Crawford-cells are widespread for carrying out EMC-susceptibility tests. Electric devices are brought inside the test-volume to be illuminated by a TEM-wave in order to find out whether the equipment under test is working properly even under strong environmental conditions. As the Crawford-cell is a resonant cavity, particular consideration on excitation of undesired non-TEM-waves needs to be taken in order to get reasonable test results. In this paper typical magnetic and electric field patterns are calculated and outlined for unwanted waves.
PACS: 41.20.Jb – Electromagnetic wave propagation; radiowave propagation / 81.05.-t – Specific materials; fabrication, treatment, testing and analysis
© EDP Sciences, 2001
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