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Analysis of Omni-directivity Error of Electromagnetic Field Probe using Isotropic Antenna

   | 13 déc. 2016
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This manuscript analyzes the omni-directivity error of an electromagnetic field (EM) probe and its dependence on frequency. The global directional characteristic of a whole EM probe consists of three independent directional characteristics of EM sensors - one for each coordinate. The shape of particular directional characteristics is frequency dependent and so is the shape of the whole EM probe’s global directional characteristic. This results in systematic error induced in the measurement of EM fields. This manuscript also contains quantitative formulation of such errors caused by the shape change of directional characteristics for different types of sensors depending on frequency and their mutual arrangement.

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Sujets de la revue:
Engineering, Electrical Engineering, Control Engineering, Metrology and Testing