NOISE REDUCTION CHALLENGE: REAL DATA

8 days of data, sampled at 1 sps, from near the RAINBOW hydrothermal field. Lots of earthquakes and a relatively weak infragravity wave signal. Data, our processing codes (using tiskitpy) and results are here.

Original data

Code used: run_original.py

Waveforms

Z Channel Probabilistic Power Spectral Density

Z-H Coherence

Z-H Transfer function

After rotation and transfer function noise removal

Code used: run_clean.py

Z waveform comparison

Z Power Spectral Density comparison

Best Z-H Coherence

Best Compliance

Cleaned, plus removal of manually identified glitches and other anomalies

Code used: run_tiskit_avoid.py

Z waveform comparison

Z Power Spectral Density comparison

Best Z-H Coherence

Best Compliance