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Near-field validation of calculable dipole antennas in a fully anechoic room from 20 MHz to 1000 MHz: with applications to validation of EMC test sites and calibration of EMC antennas.

Alexander, M J; Salter, M; Cheadle, D (2013) Near-field validation of calculable dipole antennas in a fully anechoic room from 20 MHz to 1000 MHz: with applications to validation of EMC test sites and calibration of EMC antennas. In: Proceedings of the 2013 International Symposium on Electromagnetic Compatibility (EMC Europe 2013), 2-6 September 2013, Brugge, Belgium.

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Abstract

The calculable dipole antenna gives traceability of E-field strength via antenna factor, and enables validation of EMC test sites, both to uncertainties of less than 0.5 dB over the frequency range 20 MHz to 1000 MHz. A broadband calculable antenna is described for which the site insertion loss between a pair of dipoles agrees with prediction to better than 0.4 dB. Predicted performance is traditionally confirmed by measurements in the far-field, but it is shown that validation in the near-field has lower uncertainties and can be economically more attractive. The final technical draft of CISPR 16-1-5 describes the principles of operation and mathematical modelling of the antenna.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Electromagnetics
Electromagnetics > RF and Microwave
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/6011

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