A macOS tool to compute the Thomson Multitaper evolutive spectrum from a tab-separated text file.

For now, the time or depth series needs to be equally spaced / interpolated. No checking of parameter settings is implemented.

written 2019, Heiko Pälike. Download disk image here:


Spectrogram 0.0.7b.dmg (built for macOS ≥ 10.15)

Screenshot: (a simple ETP dataset is included by simply pressing compute without selecting a file)