Table 3 Accuracy of MVDR 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 | 30.3378 | 30.3813 | 0.0150 | 0.0179 |
θ2 = 33.6 |  |  | 33.2452 | 33.2077 | 0.0159 | 0.0183 |
θ1 = 30 | 99.8 | 97.7 | 30.4297 | 30.5000 | 0.0237 | 0.0296 |
θ2 = 33.4 |  |  | 32.9558 | 32.8870 | 0.0240 | 0.0290 |
θ1 = 30 | 92.7 | 83.9 | 30.5642 | 30.6317 | 0.0416 | 0.0543 |
θ2 = 33.2 |  |  | 32.6238 | 32.5564 | 0.0338 | 0.0487 |
θ1 = 30 | 55 | 35 | 30.7901 | 30.9372 | 0.1381 | 0.1601 |
θ2 = 33 |  |  | 32.2243 | 32.0572 | 0.0918 | 0.1494 |
θ1 = 30 | 10.7 | 3 | 31.1459 | 31.2665 | 0.1678 | 0.1226 |
θ2 = 32.8 |  |  | 31.6801 | 31.5318 | 0.1645 | 0.1225 |
θ1 = 30 | 0.1 | 0 | 31.2599 | - | 0.0619 | - |
θ2 = 32.6 |  |  | 31.3259 | - | 0.0611 | - |