A theoretical study of diurnal shift in reflection height of VLF waves using IRI electron density model

被引：0
|
作者：
T. Madhavi Latha
P. Peddi Naidu
D. N. Madhusudhana Rao
M. Indira Devi
机构：
[1] M.R.P.G. College,Department of Physics
[2] Andhra University,Department of Physics
[3] G.V.P. College of Engineering for Women,undefined
来源：
Indian Journal of Physics | 2012年 / 86卷
关键词：
D-region; Earth–ionosphere wave-guide; Radio wave propagation; IRI model; 94.20.Vv; 94.30.Va; 95.85.Bh;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electron density profiles for the International Reference Ionosphere (IRI) 2001 and 2007 models have been utilized in evaluating the D-region conductivity parameter in earth ionosphere wave guide calculations. The day to night shift in reflection height of very low frequency (VLF) waves has been calculated using D-region conductivities derived from IRI models and the results are compared with those obtained from phase variation measurements of VLF transmissions from Rugby (England) made at Visakhapatnam (India). The values derived from the models are found to be much lower than those obtained from the experimental measurements. The values derived from the IRI models are in good agreement with those obtained from exponential conductivity model.
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页码：947 / 950
页数：3
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