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 7

Array-3 probability of AoA estimation using 1025 snapshots (0 dB ≤ SNR ≤ 10 dB).

	Both Az and El, |Er| ≤ 1° |Er| ≤ 5°	Az, |Er| ≤ 1° |Er| ≤ 5°	El, |Er| ≤ 1° |Er| ≤ 5°
WF-1	83.86% 96.19%	83.99% 96.27%	99.69% 99.78%
WF-2	83.11% 95.82%	83.22% 95.92%	99.71% 99.77%
WF-3	84.75% 96.14%	83.81% 96.20%	99.77% 99.85%
WF-4	59.92% 80.77%	61.85% 81.10%	82.06% 90.45%