Locating lightning using time reversal of electromagnetic fields

  title={Locating lightning using time reversal of electromagnetic fields},
  author={Nicolas Mora and Farhad Rachidi and Marcos Rubinstein},
  journal={2010 30th International Conference on Lightning Protection (ICLP)},
In this paper, we propose a new method for the location of lightning discharges. The proposed method is based on the time reversal technique introduced for acoustics in the early 1990s. By analogy to the derivations in acoustics, equations for the focusing of electromagnetic fields back to the source by time reversal are derived. We show that the wavefronts generated by back-propagating the time-reversed fields will add up in phase at the lightning strike location. Based on this observation, we… CONTINUE READING


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