Adaptive-STFT

Adaptive short-time Fourier transform

Signal Definition:

Time-Frequency Transform

Optimization:

Instantaneous window width:

Adaptive short-time Fourier transform:

Reference:

Mohammad Bejvani, and ALI GHOLAMI, “ADAPTIVE STFT AND ITS APPLICATION FOR AUTOMATIC TRAVELTIME PICKING,” presented at the SEMINAR PETROLEUM GEOPHYSICAL EXPLORATION. 2015, [Online]. Available: https://sid.ir/paper/924456/en