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Telecommunications and Radio Engineering
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ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v76.i17.10
pages 1489-1502

ELECTRICALLY LARGE LOOP ANTENNA FOR RECEIVING UWB PULSED FIELDS

P. V. Kholod
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
L. A. Varyanitsa-Roshchupkina
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura Str., Kharkiv 61085, Ukraine
T. N. Ogurtsova
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine

RÉSUMÉ

The causes of origination of the afterpulse current oscillations in electrically large loop antennas are clarified based on the analysis of the results of simulation of the space-time current distributions induced by the field electric and magnetic components in the circular and rectangular loops. It is determined that the pulse shape distortion is stipulated by availability of the current induced by the electric component of the incident field. The current induced by the magnetic component has to be separated from total current to provide for the undistorted reception. It is experimentally confirmed that the undistorted reception can be provided for by means of summation of the signals recorded in the diametrically opposite sections of the circular loop.