Table 2 Accuracy of MUSIC algorithm in the case of narrowband sources at the middle of the spectrum, SNR = 10 dB, K = 100.
From: A novel ULA-based geometry for improving AOA estimation
Angles (°) | Success (%) | Average of estimated angles (°) | Variance of estimated angles (°) | |||
|---|---|---|---|---|---|---|
| Â | PA | ULA | PA | ULA | PA | ULA |
θ1 = 30 | 100 | 100 | 30.0900 | 30.0873 | 0.0111 | 0.0133 |
θ2 = 33 |  |  | 32.9145 | 32.9160 | 0.0137 | 0.0131 |
θ1 = 30 | 100 | 100 | 30.1150 | 30.1085 | 0.0146 | 0.0156 |
θ2 = 32.8 |  |  | 32.6860 | 32.6856 | 0.0141 | 0.0176 |
θ1 = 30 | 99.5 | 98.9 | 30.1434 | 30.1471 | 0.0185 | 0.0213 |
θ2 = 32.6 |  |  | 32.4470 | 32.4510 | 0.0192 | 0.0226 |
θ1 = 30 | 80.9 | 80.5 | 30.1860 | 30.1772 | 0.0207 | 0.0263 |
θ2 = 32.4 |  |  | 32.1981 | 32.2026 | 0.0257 | 0.0312 |
θ1 = 30 | 24.4 | 24.8 | 30.1746 | 30.1592 | 0.0541 | 0.0565 |
θ2 = 32.2 |  |  | 32.0171 | 32.0348 | 0.0333 | 0.0368 |
θ1 = 30 | 1.7 | 1.9 | 30.5279 | 30.5583 | 0.1082 | 0.1284 |
θ2 = 32 |  |  | 31.6187 | 31.6420 | 0.0846 | 0.0765 |
θ1 = 30 | 0.1 | 0 | 30.6056 | 30.6207 | 0.0889 | 0.0891 |
θ2 = 31.8 |  |  | 31.2158 | 31.2160 | 0.1035 | 0.1162 |