Zhurnal Radioelektroniki - Journal of Radio Electronics. ISSN 1684-1719. 2020. No. 4
ContentsFull text in Russian (pdf)
DOI https://doi.org/10.30898/1684-1719.2020.4.2
UDC 621.396.67
OVER-RANGE CYLINDRICAL ANTENNA ARRAY OF TEM HORNS
V. A. Kaloshin 1 N. T. Le 2, E. V. Frolova 1
1 Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, Mokhovaya 11-7, Moscow 125009, Russia
2 Moscow Institute of Physics and Technology (National Research University), 9 Institutskiy per., Dolgoprudny, Moscow Region, 141701, Russia
The paper is received on March 23, 2020
Abstract. Using electrodynamic modeling on the basis of finite element methods, an over-range cylindrical antenna array of TEM horns with metallization of the inter-horn space and a screen is studied. The antenna array consists of 40 linear arrays arranged in a circle. The pattern of the linear array and reflection coefficients in the composition of the cylindrical one were found. Using the corresponding frequency characteristics and direct numerical procedure the dependence of the matching characteristics and the radiation of the cylindrical array on the number of excited linear arrays and the number of TEM horns in the linear array were studied. The results obtained using two modeling methods are close to each other. It is shown that a cylindrical array with 19 excited lines of 16 TEM horns is matched in a frequency band of more than 40:1.
Key words: cylindrical antenna array, ultra wide band antenna, over wave range antenna.
References
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For citation:
Kaloshin V.A., Le N.T., Frolova E.V. Over-range cylindrical antenna array of TEM horns. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No. 4. Available at http://jre.cplire.ru/jre/apr20/2/text.pdf. DOI https://doi.org/10.30898/1684-1719.2020.4.2