Noise Modelling of Atmospheric Radar Data using Empirical Mode Decomposition

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Provided by: International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering (IJIREEICE)
Topic: Hardware
Format: PDF
In this paper, the authors model the noise present in middle and upper layers of the atmosphere for the data collected from the Indian MST radar. People carry out their analysis assuming that the noise is Gaussian and in fact, in most of the scenarios, the noise is Gaussian. There is a much chance of getting inaccurate results if it is not. Gaussianity tests namely AutoCorrelation (AC) and Power Spectral Density (PSD) tests are conducted to find whether the noise is Gaussian or not. In non-Gaussian cases, further analysis is carried out using Empirical Mode Decomposition (EMD).
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