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. 2011 May;129(5):2903–2911. doi: 10.1121/1.3557036

Table 2.

Experimental BSC estimation errors when analyzing the 41 μm phantom.

Transducer Errσ Errμ
η1 η2 η3G η3 η1 η2 η3G 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