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 8

Array-3 probability of AoA estimation using 1025 snapshots (−10 dB ≤ SNR ≤ 0 dB and last line using 513 snapshots).

	Both Az and El, |Er| ≤ 1° |Er| ≤ 5°	Az, |Er| ≤ 1° |Er| ≤ 5°	El, |Er| ≤ 1° |Er| ≤ 5°
WF-1	53.63% 81.48%	56.60% 81.54%	83.20% 91.35%
WF-2	52.32% 80.07%	55.31% 80.17%	82.03% 90.55%
WF-3	52.75% 80.66%	55.47% 80.72%	83.31% 90.11%
WF-4	26.30% 51.05%	30.01% 52.22%	49.32% 69.31%
WF-4	33.28% 67.64%	38.46% 67.93%	64.92% 83.51%