Refinement of Different Frequency Bands of Geomagnetic Vertical Intensity Polarization Anomalies before M > 5.5 Earthquakes.
Haris FaheemXia LiWeiling ZhuYingfeng JiLili FengYe ZhuPublished in: Sensors (2024)
Keyphrases
- frequency band
- transfer function
- high frequency
- anomaly detection
- low frequency
- multi band
- subband
- wavelet packet decomposition
- frequency spectrum
- radio frequency
- bandpass
- wavelet packet
- energy distribution
- power spectral density
- subband decomposition
- band limited
- frequency ranges
- filter bank
- state space
- color images
- high quality