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In contrast to half-wave dipoles, Bilog antennas are more popular among test engineers due to their broadband properties - it is not necessary to change them during the measurement. On the other hand they bring additional errors into measurement, so there are more uncertainty sources and the entire uncertainty is larger. The effect of ground plane on Bilog antenna directivity pattern and consequently...
EMC test houses are obliged to derive the uncertainty budget of their measurements. One of these measurements is radiated EMI measurement. Selection of the receive antenna is an important uncertainty source in such a measurement. Choice of Bilog antenna instead of half-wave dipole is convenient due to its broadband properties, but it can influence the total uncertainty of the measurement. Bilog antenna...
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