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ISSN 1028-821X (Print)

ELECTRICALLY LARGE LOOP ANTENNA FOR RECEIVING UWB PULSED FIELDS

heading: 
RADIOWAVE PROPAGATION, RADIOLOCATION AND REMOTE SENSING
Kholod, PV, Varyanitsa-Roshchupkina, LA, Ogurtsova, ТN
Organization: 

O. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine
12, Proskura st., Kharkov, 61085, Ukraine

E-mail: PavloKh@ukr.net
https://doi.org/10.15407/rej2017.02.050
Language: Russian
Abstract: 

The causes of afterpulse current oscillations in electrically large loop antennas have been found basing on the analysis of results of simulation of the space-time current distribution induced by electric and magnetic field components in the circular and rectangular loops. It has been determined that the pulse shape distortion is due to the current induced by the electric component of the incident field. For undistorted reception, it is necessary to isolate only the current induced by the magnetic component from the total current. To do this, it is sufficient to sum the currents induced in diametrically opposite sections of the circular loop. It has been found experimentally that undistorted reception can be ensured by summing the signals recorded in diametrically opposite sections of the circular loop.
Keywords: EMF, loop antenna, space-time currents distributions, UWB antennas

Manuscript submitted 24.04.2017
PACS 41.20.-q
Radiofiz. elektron. 2017, 22(2): 50-57
Full text (PDF)

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