Combination of the Improved Diffraction Nonlocal Boundary Condition and Three-Dimensional Wide-Angle Parabolic Equation Decomposition Model for Predicting Radio Wave Propagation

Table 1

Computation parameters for the WA-3DPE decomposition model and the standard 3DPE decomposition model.

Computation methods	Discretization Size (m)			Actual computation range (m)			Number of steps			Computation times (s)
	WA-3DPE decomposition model with the improved diffraction nonlocal BCs	0.5	0.01	0.01	100	20	5	200	2000		500	1.216934
Standard 3DPE decomposition model with widow functions	0.5	0.1	0.1	100	400	100	200	4000	1000	0.191947