scholarly journals Radiotomography and HF ray tracing of the artificially disturbed ionosphere above the Sura heating facility

Radio Science ◽  
2016 ◽  
Vol 51 (6) ◽  
pp. 638-644 ◽  
Author(s):  
E. S. Andreeva ◽  
V. L. Frolov ◽  
V. E. Kunitsyn ◽  
A. S. Kryukovskii ◽  
D. S. Lukin ◽  
...  
Keyword(s):  
Ray Tracing ◽  
Heating Facility ◽  
Disturbed Ionosphere

The Multifractal Structure of Small-Scale Artificial Ionospheric Turbulence

2013 ◽  
Vol 22 (1) ◽  
Author(s):  
F. I. Vybornov ◽  
A. V. Rakhlin
Keyword(s):  
Experimental Studies ◽  
Multifractal Spectrum ◽  
Small Scale ◽  
Radio Waves ◽  
Ionospheric Turbulence ◽  
Heating Facility ◽  
Artificial Ionospheric Turbulence ◽  
Radio Sounding ◽  
Scale Turbulence ◽  
Disturbed Ionosphere

AbstractWe present the results of investigation of a multifractal structure of the artificial ionospheric turbulence when the midlatitude ionosphere is affected by high-power radio waves. The experimental studies were performed on the basis of the SURA heating facility with the help of radio sounding of the disturbed region of ionospheric plasma by signals from the Earth’s orbital satellities. In the case of vertical radio sounding of the disturbed ionosphere region, the measured multipower and generalized multifractal spectra of turbulence coincide well with similar multifractal characteristics of the ionosperic turbulence under the natural conditions. In the case of oblique sounding of the disturbance region at small angles between the line of sight to the satellite and the direction of the Earth’s magnetic field, a nonuniform structure of the small-scale turbulence with a relatively narrow multipower spectrum and small variations in the generalized multifractal spectrum of the electron density was detected.

Field Estimation in Tunnel and Underground by Ray Tracing Method

2000 ◽  
Vol 54 (3) ◽  
pp. 46-56
Author(s):  
K. Uchida ◽  
D. Da ◽  
C. K. Lee ◽  
T. Matsunaga ◽  
T. Imai ◽  
...  
Keyword(s):  
Ray Tracing ◽  
Ray Tracing Method ◽  
Field Estimation ◽  
Tracing Method
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