How strict are theoretical bounds for dielectric properties of mixtures?

Author

Sihvola, Ari H.

Author_Institution

Electromagn. & Acoust. Lab., Swiss Fed. Inst. of Technol., Lausanne, Switzerland

Volume

40

Issue

4

fYear

2002

fDate

4/1/2002 12:00:00 AM

Firstpage

880

Lastpage

886

Abstract

This report discusses bounds for mixing rules. Several theoretical bounds and limits for the effective permittivity of heterogeneous media have been derived. However, it may happen that the bounds are trespassed in the real-life applications. Examples of such behavior are given for snow, random media simulations, lossy heterogeneous materials, and magnetic and magnetoelectric materials. Reasons for the bound-violation phenomenon are discussed

Keywords

backscatter; geophysical techniques; hydrological techniques; radar cross-sections; radar theory; remote sensing by radar; snow; terrain mapping; backscatter; bound-violation; dielectric property; geophysical measurement technique; heterogeneous media; hydrology; land surface; lossy heterogeneous materials; mixing rule; mixture; model; percolation; permittivity; radar scattering; radar theory; random media; remote sensing; snow cover; snowpack; terrain mapping; theoretical bounds; theory; Dielectric materials; Electromagnetics; Helium; Magnetic materials; Nonhomogeneous media; Permittivity; Physics; Predictive models; Random media; Snow;

fLanguage

English

Journal_Title

Geoscience and Remote Sensing, IEEE Transactions on

Publisher

ieee

ISSN

0196-2892

Type

jour

DOI

10.1109/TGRS.2002.1006369

Filename

1006369