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Complex field experiments have been undertaken on the basis of the observational set-up arranged in the Upper-Volga Region during the convective seasons of 2005–2010. Spectral and statistical characteristics of electric field perturbations in the vicinity of thunderstorm clouds have been investigated. Statistical analysis allowed us to relate found peculiarities with different stages of thunderstorm...
Accurate evaluation of the direct-strike lightning protection is a key point in the design of transmission lines, while how to properly describe the propagating progress of lightning leader determines the accuracy of lightning protection evaluation. Fractal model of lightning is adopted by some researchers due to its similarity in appearance to natural lightning, however, as a result of the randomness...
The TEM wave characteristic impedance of lightning return stroke is investigated by considering the channel of Cloud-to-Ground(CG) flash as a coaxial transmission line(TL) with both the good conductor quality factor theory and the multi-fractal theory. It takes the lightning return stroke channel (RSC) and outer corona sheath as a coaxial wave guide. The relationships among the 2D-Hausdroff dimension,...
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