Diffraction Loss Prediction of Multiple Edges Using Bullington Method with Neural Network in Mountainous Areas

Table 2

Comparison in the area where data are not used in training (Mt. Hwaak).

Area	Method	Average error (dB)	Standard deviation of errors (dB)
Hwaak mountain	Bullington	6.58	6.55
	Deygout	7.73	7.43
	Causebrook	9.45	7.45
	Giovanelli	8.11	6.83
	Proposed	0.71	5. 39