Table 5 Accuracy of MVDR algorithm in the case of narrowband sources at the border 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 = 50 | 100 | 99.9 | 49.9988 | 49.9992 | 0.0022 | 0.0021 |
θ2 = 87 |  |  | 87.0151 | 87.0319 | 0.0767 | 0.2806 |
θ1 = 55 | 100 | 99.7 | 54.9965 | 54.9999 | 0.0033 | 0.0026 |
θ2 = 87 |  |  | 87.0311 | 87.0608 | 0.0826 | 0.2612 |
θ1 = 60 | 100 | 98.4 | 60.0015 | 59.9963 | 0.0050 | 0.0049 |
θ2 = 87 |  |  | 86.9832 | 87.820 | 0.1049 | 0.3894 |
θ1 = 65 | 100 | 97.1 | 65.0621 | 65.686 | 0.0128 | 0.0133 |
θ2 = 87 |  |  | 86.8584 | 86.5803 | 0.1482 | 0.5512 |
θ1 = 70 | 99.5 | 18.7 | 70.5040 | 70.6565 | 0.0568 | 0.0801 |
θ2 = 87 |  |  | 86.4340 | 85.5583 | 0.2573 | 0.3105 |
θ1 = 75 | 8 | 0 | 76.8038 | - | 0.0494 | - |
θ2 = 87 |  |  | 85.6822 | - | 0.2908 | - |