Accurate DOA Estimations Using Microstrip Adaptive Arrays in the Presence of Mutual Coupling Effect

Table 2

DOA estimation bias for the linearly polarized array.

𝜑	DOA estimation bias
	Open circuit	Su’s method	Proposed method
−50°	0.5°	3.4°	0.2°
−20°	3.5°	1.4°	0°
0°	2.8°	0.6°	0.2°