Transformation of the angular power spectrum of scattered radiation in a turbulent absorbing magnetoactive plasma

被引：0

作者：

Gavrilenko V.G. ^{[1
]}

Sorokin A.V. ^{[1
]}

机构：

[1] N. I. Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod

来源：

Radiophysics and Quantum Electronics | 2002年 / 45卷 / 11期

关键词：

Anisotropic media - Geometrical optics - Spectrum analysis;

D O I：

10.1023/A:1023517129714

中图分类号：

学科分类号：

摘要：

We consider the oblique incidence ofa small-amplitude plane electromagnetic wave on a layer of turbulent absorbing plasma in a uniform external magnetic field. The equations for the first two statistical moments ofthe angular power spectrum ofscattered radiation are derived in the geometrical-optics approximation. We show that two asymmetry factors of the problem, i.e., the oblique incidence and the influence ofthe anisotropic medium, compensate for each other along a certain direction and impede the appearance ofthe effect ofdisplacement ofthe power-spectrum maximum and the effect ofanomalous spectrum broadening. We find the condition at which such a case ofwave propagation is realized. The dependence ofthe angular-spectrum shape on the distance from the plasma-layer boundary is studied numerically without using the small-angle approximation. The calculations confirm the results obtained using the geometrical-optics approximation. © 2002 Plenum Publishing Corporation.

引用

页码：884 / 894

页数：10

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