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Asymmetric signal level distribution due to tropospheric scintillation

Asymmetric signal level distribution due to tropospheric scintillation

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Short term distribution of signal fluctuations due to troposheric scintillation (in decibels) is usually modelled as Gaussian. For long term distribution, this results in a symmetrical distribution function. However, various experiments have shown a significant asymmetry in long term distribution for strong scintillations. It is shown that the observed asymmetry follows directly from theory, if a different modelling approach is applied.

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