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Comparison of estimated error and standard deviations of attenuation coefficients from two different methods using transducer f/3–5 MHz.
| Phantom A | Phantom B | |||
|---|---|---|---|---|
| ABS ERR (%) | STD (%) | ABS ERR (%) | STD (%) | |
| Envelope peak (31PL × 13BW) | 10.81 | 24.18 | 2.50 | 20.51 |
| New method (15PL × 15BW) | 9.82 | 20.86 | 1.28 | 19.54 |
| New method (30PL × 15BW) | 0.25 | 9.64 | 0.84 | 7.20 |
