Table 3.
Comparison of Standard Deviation (SD) and Maximum Error (ME) values (in degrees) between the arrays of Figure 1 and Figure 6 for noise-affected measurements (AWGN) at different PSNR values. Actuated pulse band: [30–60] kHz.
| Standard Cluster | Shaped Sensors Optimal Cluster | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CC | GM-CC | GCC | GM-GCC | CC | GM-CC | GCC | GM-GCC | |||||||||
| PSNR | SD | ME | SD | ME | SD | ME | SD | ME | SD | ME | SD | ME | SD | ME | SD | ME |
| 60 dB | 1.2 | 2.13 | 1.23 | 2.13 | 1.23 | 2.28 | 1.2 | 2.28 | 1.25 | 2.47 | 1.22 | 2.47 | 1.24 | 2.71 | 1.19 | 2.71 |
| 40 dB | 1.23 | 3.21 | 1.19 | 3.2 | 1.21 | 2.28 | 1.19 | 2.28 | 1.3 | 3.62 | 1.27 | 3.41 | 1.27 | 2.86 | 1.22 | 2.71 |
| 35 dB | 1.52 | 4.86 | 1.38 | 4.51 | 1.19 | 2.87 | 1.18 | 2.87 | 1.39 | 4.83 | 1.34 | 4.63 | 1.28 | 2.86 | 1.24 | 2.93 |
| 30 dB | 2.08 | 6.8 | 1.81 | 5.96 | 1.24 | 4.29 | 1.22 | 4.29 | 1.56 | 5.84 | 1.47 | 5.33 | 1.31 | 4.01 | 1.28 | 4.35 |
| 28 dB | 2.52 | 8.84 | 2.15 | 8.84 | 1.4 | 8.2 | 1.34 | 8.2 | 1.73 | 5.84 | 1.59 | 5.84 | 1.33 | 4.99 | 1.3 | 5.52 |
| 27 dB | 2.75 | 10 | 2.32 | 8.37 | 1.5 | 7.77 | 1.42 | 7.43 | 1.81 | 7.27 | 1.64 | 7.51 | 1.35 | 6.79 | 1.31 | 4.53 |
| 26 dB | 2.98 | 10.1 | 2.5 | 9.79 | 1.75 | 9.54 | 1.58 | 8.96 | 1.92 | 7.27 | 1.73 | 6.94 | 1.42 | 6.98 | 1.36 | 6.81 |
| 24 dB | 3.63 | 12.1 | 3.05 | 10.8 | 1.99 | 11.3 | 1.79 | 10.2 | 2.21 | 7.98 | 1.98 | 8.2 | 1.6 | 6.09 | 1.5 | 7.07 |
| 22 dB | 4.44 | 15.2 | 3.75 | 13.5 | 2.96 | 17.5 | 2.57 | 16.3 | 2.61 | 9.53 | 2.29 | 9.28 | 1.9 | 9.55 | 1.73 | 8.63 |
| 20 dB | 5.54 | 18.3 | 4.53 | 17.2 | 3.92 | 20 | 3.33 | 20 | 3.07 | 10.3 | 2.64 | 9.84 | 2.49 | 13.2 | 2.19 | 13.2 |