Application of Hybrid ARIMA and Artificial Neural Network Modelling for Electromagnetic Propagation: An Alternative to the Least Squares Method and ITU Recommendation P.1546-5 for Amazon Urbanized Cities

Figure 11

Exponential combination for original radial 2 (a); original radial 3 (b); original radial 1 (c); interpolated radial 2 (d); interpolated radial 3 (e);and interpolated radial 1 (f).

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(b)

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(f)