Lightning mapping: Techniques, challenges, and opportunities by Alammari, Ammar, Alkahtani, Ammar Ahmed, Ahmad, Mohd. Riduan, Noman, Fuad M., Mohd. Esa, Mona Riza, Zen, Kawasaki, Tiong, Sieh Kiong

“…One approach is to improve how lightning signals are preprocessed and how noise is filtered. Signal processing can also be utilized to improve mapping accuracy by introducing methods such as wavelet transform in place of conventional cross-correlation approaches.…”