A New United Proportional Navigation Guidance for Impact Angle Constraint without Measurement Distance between Vehicle and Target

Table 1

Initial parameters.

Parameter	Value	Unit
-coordinate of the target	2500	m
-coordinate of the target	0	m
-coordinate of the vehicle	0	m
-coordinate of the vehicle	150	m
Initial LOS distance	2504	m
Initial flight path angle	0	°
Initial LOS angle	3.4	°
Vehicle velocity	200	m/s
Max bias term ()	0.35	—
Duration of the bias term ()	13.29	s