By the same authors

An investigation into the errors in the CISPR 12 full vehicle radiated emissions measurements due to vehicle directivity

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Publication details

Title of host publicationElectromagnetic Compatibility (EMC EUROPE), 2013 International Symposium on
DatePublished - 2013
Pages310-315
Number of pages6
Original languageEnglish

Abstract

This paper investigates the errors in the current CISPR 12 full vehicle radiated emissions tests due to the vehicle directivity. CISPR 12 measurements are performed using a fixed geometrical configuration, this method is different to many other radiated emissions standards where receive antenna height scan and device under test azimuth rotation through 360 degrees is employed in an attempt to maximise the emissions recorded. Numerical results of a simplified vehicle body shell are discussed. Data recorded between 100 MHz and 500 MHz shows that the current CISPR 12 test method potentially under-estimates the emissions levels by up to 17dB for a representative body-shell model, suggesting that the existing version of CISPR 12 may require further development in order to more closely determine the maximum amplitude of the emissions signature of the vehicle, within the measurement environment being utilised.

    Research areas

  • mobile antennas, receiving antennas, CISPR 12 full vehicle radiated emissions measurements, CISPR 12 test method, azimuth rotation, device under test, emissions levels, emissions signature, fixed geometrical configuration, frequency 100 MHz to 500 MHz, measurement environment, receive antenna height scan, representative body-shell model, vehicle body shell, vehicle directivity, Antenna measurements, Azimuth, Current measurement, Electromagnetic compatibility, Receiving antennas, Standards, Vehicles

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