Table 2.
Experimental BSC estimation errors when analyzing the 41 μm phantom.
Transducer | Errσ | Errμ | ||||||
---|---|---|---|---|---|---|---|---|
η1 | η2 | η3 | η1 | η2 | η3 | |||
2.25 MHz, f∕2.7 | 1.34 ± 0.16 | −0.51 ± 0.16 | 0.59 ± 0.16 | −0.50 ± 0.16 | 1.04 ± 0.09 | 1.04 ± 0.09 | 1.04 ± 0.09 | 1.05 ± 0.09 |
5 MHz, f∕3 | 0.60 ± 0.16 | −0.66 ± 0.16 | 0.15 ± 0.16 | −0.65 ± 0.16 | 1.05 ± 0.12 | 1.07 ± 0.11 | 1.05 ± 0.12 | 1.07 ± 0.11 |
7.5 MHz, f∕4 | 0.84 ± 0.20 | −0.35 ± 0.20 | 0.40 ± 0.20 | −0.34 ± 0.20 | 0.95 ± 0.08 | 0.97 ± 0.07 | 0.95 ± 0.07 | 0.97 ± 0.07 |
10 MHz, f∕4 | 0.18 ± 0.17 | −1.04 ± 0.17 | −0.26 ± 0.17 | −1.04 ± 0.17 | 0.97 ± 0.11 | 0.97 ± 0.11 | 0.97 ± 0.11 | 0.97 ± 0.11 |
10 MHz, f∕2 | −0.06 ± 0.27 | −0.71 ± 0.27 | −0.43 ± 0.27 | −0.71 ± 0.27 | 1.10 ± 0.11 | 1.05 ± 0.11 | 1.10 ± 0.11 | 1.05 ± 0.11 |
13 MHz, f∕3 | 1.17 ± 0.25 | 0.25 ± 0.25 | 0.79 ± 0.25 | 0.26 ± 0.25 | 0.98 ± 0.09 | 0.98 ± 0.09 | 0.97 ± 0.09 | 0.98 ± 0.09 |
15 MHz, f∕2 | 1.37 ± 0.34 | 0.60 ± 0.34 | 0.99 ± 0.34 | 0.61 ± 0.34 | 1.05 ± 0.14 | 1.01 ± 0.14 | 1.05 ± 0.14 | 1.01 ± 0.14 |
20 MHz, f∕4 | 1.53 ± 0.28 | 0.13 ± 0.28 | 1.02 ± 0.28 | 0.14 ± 0.28 | 1.30 ± 0.22 | 1.28 ± 0.20 | 1.30 ± 0.22 | 1.28 ± 0.20 |
20 MHz, f∕3 | 0.62 ± 0.58 | −0.41 ± 0.58 | 0.22 ± 0.58 | −0.41 ± 0.58 | 1.54 ± 0.22 | 1.47 ± 0.21 | 1.53 ± 0.22 | 1.47 ± 0.21 |