Table 4.
Feature index | Feature name | Physical meaning |
---|---|---|
1-13 | Cepstrum coefficients | Cepstrum coefficients of a PCG recording |
14-26 | Cepstrum coefficients | Cepstrum coefficients of jointed S1 state |
27-39 | Cepstrum coefficients | Cepstrum coefficients of jointed systolic state |
40-52 | Cepstrum coefficients | Cepstrum coefficients of jointed S2 state |
53-65 | Cepstrum coefficients | Cepstrum coefficients of jointed diastole state |