Dubanton's and Wait's Approximations of the Earth Return Impedance Used for Evaluating Transmission-Line Wave Propagation Parameters

2015 ◽  
Vol 30 (6) ◽  
pp. 2600-2601 ◽  
Author(s):  
J. A. Brandao Faria
Keyword(s):  
Wave Propagation ◽  
Transmission Line ◽  
The Earth ◽  
Propagation Parameters

Diagnostics of the Solar X-Flare Impact on Lower Ionosphere through the VLF-NAA Signal Recordings

2011 ◽  
Vol 20 (4) ◽  
Author(s):  
Aleksandra Kolarski ◽  
Davorka Grubor ◽  
Desanka Šulić
Keyword(s):  
Wave Propagation ◽  
Solar Flare ◽  
Lower Ionosphere ◽  
Signal Amplitude ◽  
Lower Edge ◽  
X Ray ◽  
The Earth ◽  
Reflection Height ◽  
Propagation Parameters ◽  
Delay Variations

AbstractAn analysis of four solar flare X-ray irradiance effects on VLF signal amplitude and phase delay variations on the NAA/24.0 kHz signal trace during the period from 2005 September to 2006 December was carried out. Solar flare data were taken from the GOES12 satellite one-minute listings. For the VLF data, recordings at the Institute of Physics, Belgrade were used. It was found that solar flare events affect VLF wave propagation in the Earth-ionosphere waveguide lowering the changes of the ionosphere electron density height profiles. This follows from the variation during the solar flare events of the following propagation parameters: the sharpness of the lower edge of the ionosphere and the reflection height.

OPTIMAL ELECTRIC WAVE PROPAGATION PARAMETERS ON A TRANSMISSION LINE --- SCHOTTKY DIODE SYSTEM

2011 ◽  
Vol 27 ◽  
pp. 125-132 ◽  
Author(s):  
Tristan Dubois ◽  
Jérémy Raoult ◽  
Sylvie Jarrix ◽  
Amable Blain ◽  
Adrien Doridant
Keyword(s):  
Wave Propagation ◽  
Transmission Line ◽  
Schottky Diode ◽  
Electric Wave ◽  
Propagation Parameters ◽  
Diode System

A convenient transmission-line formulation for wave propagation in typical ferrite structures

1996 ◽  
Vol 32 (4) ◽  
pp. 3228-3236 ◽  
Author(s):  
C. Di Nallo ◽  
F. Frezza ◽  
A. Galli ◽  
G. Gerosa
Keyword(s):  
Wave Propagation ◽  
Transmission Line
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