Nonuniformly Spaced Array with the Direct Data Domain Method for 2D Angle-of-Arrival Measurement in Electronic Support Measures Application from 6 to 18 GHz

Table 6

Array-3 probability of AoA estimation using 1025 snapshots (10 dB ≤ SNR ≤ 20 dB).

	Both Az and El, |Er| ≤ 1° |Er| ≤ 5°	Az, |Er| ≤ 1° |Er| ≤ 5°	El, |Er| ≤ 1° |Er| ≤ 5°
WF-1	85.76% 96.42%	85.84% 96.50%	99.81% 99.87%
WF-2	85.66% 96.47%	85.76% 96.55%	99.79% 99.85%
WF-3	85.64% 96.37%	85.71% 96.44%	99.83% 99.87%
WF-4	75.91% 91.19%	76.64% 91.32%	93.97% 96.69%