Title :
Frequency-selective properties of the slab with multiscale inhomogeneities
Author :
Vavriv, L.V. ; Serebryannikov, A.E. ; Puzirkov, S.Yu.
Author_Institution :
Res. Inst. Molniya, Kharkov, Ukraine
Abstract :
We study the frequency dependence of reflection coefficient R in the case when the permittivity profile of the plasma wavetrain consists of the single-extremum regular part and multiextremum multiscale irregular one. To model the latter, a bandlimited fractal function is used. The main goal of this paper is to consider the effect of parameters of the fractal modulating function on the frequency-selective properties of the slab, from the viewpoint of revealing the range of parameters variation, in which multifractal properties and statistical ones could play significant role. The Riccati equation is used to calculate the auxiliary function related to the reflection coefficient. Our consideration is restricted to the vicinity of the penetration (maximum plasma) frequency of the regular part of the profile.
Keywords :
Riccati equations; electromagnetic wave reflection; fractals; frequency selective surfaces; inhomogeneous media; permittivity; plasma electromagnetic wave propagation; Riccati equation; auxiliary function; bandlimited fractal function; electromagnetic wave reflection; fractal modulating function; frequency-selective properties; multiextremum multiscale irregular part; multifractal properties; permittivity profile; plasma wavetrain; reflection coefficient; single-extremum regular part; slab; statistical properties; Electromagnetic reflection; Fractals; Frequency dependence; Geoscience; Permittivity; Physics; Plasma waves; Radio astronomy; Riccati equations; Slabs;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2001. IEEE
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7070-8
DOI :
10.1109/APS.2001.959483