표 2. | Table 2. 시간-주파수 변환기법들에 대한 계산시간 비교 | Comparison of computation time for various time-frequency methods.

Time-frequency methods	Computation time [s]
1) STFT	412.2
2) S-method	486.7
3) Reassigned S-method	489.5
4) ZAM	601.2
5) MMCE	638.6
6) BJD	603.8