Radar cross section and the surface impedance of a resonator with properties of an artificial magnetic conductor

A flat resonator having properties of an artificial magnetic conductor is analyzed. Frequency dependences of the radar cross sections (RCSs) of such resonators are calculated and measured at microwave frequencies. Surface impedances | Z | of resonators with different thicknesses are calculated numer...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2014-12, Vol.59 (12), p.1349-1355
Main Authors: Kazantsev, Yu. N., Solosin, V. S.
Format: Article
Language:English
Subjects:
Analysis
Communications Engineering
Communications technology
Conductivity
Conductors (devices)
Electrodynamics and Wave Propagation
Electromagnetics
Engineering
Flats
Impedance
Magnetic properties
Mathematical analysis
Microwave frequencies
Networks
Numerical analysis
Radar cross sections
Radar systems
Radio frequency
Resonators
Studies
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Summary:A flat resonator having properties of an artificial magnetic conductor is analyzed. Frequency dependences of the radar cross sections (RCSs) of such resonators are calculated and measured at microwave frequencies. Surface impedances | Z | of resonators with different thicknesses are calculated numerically. It is demonstrated that the maxima of local RCSs and impedance averaged over the surface | Z | av are shifted towards lower frequencies as the resonator thickness increases. It is found that the maximum values of | Z | av reach 3000 Ω, which many times greater than the value of the free-space impedance 120π Ω. The frequency band in which | Z | av > 1000 Ω is wider than 200 MHz.
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226914100040