A multi-peaked form of the analytically extended function (AEF) is used for approximation of lightning current waveforms in this paper. The AEF function's parameters are estimated using the Marquardt least-squares method (MLSM), and the general procedure for fitting the p-peaked AEF function to a waveform with an arbitrary (finite) number of peaks is briefly described. This framework is used for obtaining parameters of 2-peaked waveforms typically present when measuring first negative stroke currents. Advantages, disadvantages and possible improvements of the approach are also discussed.
@article{arxiv.1604.05109,
title = {Application of the Multi-Peaked Analytically Extended Function to Representation of Some Measured Lightning Currents},
author = {Karl Lundengård and Milica Rančić and Vesna Javor and Sergei Silvestrov},
journal= {arXiv preprint arXiv:1604.05109},
year = {2016}
}