"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 1, 2018

contents of issue       DOI  10.30898/1684-1719-2018-1-6      full text in Russian (pdf)   

Shielding Cover with Radar Absorbing Metamaterial Inside


V. N. Semenenko1, K. M. Baskov1, A. A. Politiko1, D. I. Akimov1, N. N. Stepanov2

1Institute for Theoretical and Applied Electromagnetics of the Russian Academy of Sciences, Izhorskaya 13, Moscow 125412, Russia

2Joint-stock company "Voronezh scientific-research institute "Vega", Moskovskij prospekt 7-B, Voronezh 394026, Russia


 The paper is received on January 17, 2018


Abstract. The paper deals with the results of investigation of metamaterial exhibiting radar absorbing properties at microwave frequencies owing to the resonant phenomena in metallic inclusions. In particular, inclusions are investigated in the form of conducting isolated nichrome wire rings with twisted edges. It is demonstrated that such wire inclusions may be used to prepare materials exhibiting radar absorbing properties at certain frequencies in the vicinity of the resonant frequency of the inclusions. The practical applications of such metamaterial exhibiting radar absorbing properties at frequency 300 MHz were shown.  In particular, it is performed significant reduction of standing wave coefficient of dipole antenna inside a shielding cover (up to 2.0 at the frequency band 290-315 MHz). The shielding covers with a sensor are widely used for the antenna-feeder systems diagnosis. The results of the experiments showed that the influence of the metamaterial on the shielding of antenna and the level of the transmitted signal from the antenna to the sensor is negligible. A numerical simulation of such metamaterial was performed by calculation using the FEKO software package of electromagnetic simulation. It is shown that the uneven distribution of the electric field is located at the resonant elements. Therefore, the position of the resonant elements relative to the antenna has a significant influence on the standing wave coefficient of antenna inside the shielding cover. The main advantages of the investigated metamaterial are ease of fabrication, high thermal stability and the resistance to the external influencing factors. The results of the research have been reported at «5-th all-Russian Microwave Conference».

Key words: metamaterial, radar-absorbing material, ultra high frequencies, resonant inclusions, standing wave coefficient.


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For citation:
V. N. Semenenko, K. M. Baskov, A. A. Politiko, D. I. Akimov, N. N. Stepanov. Shielding cover with radar absorbing metamaterial inside. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 1. Available at http://jre.cplire.ru/jre/jan18/6/text.pdf.

DOI  10.30898/1684-1719-2018-1-6