Analysis of One-Point Methods for Lightning-Discharge Passive Location
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We consider different algorithms for one-point determination of the coordinates of a high-current lightning discharge within the framework of its model as an arbitrarily oriented electric dipole. The considered algorithms are based on simultaneous processing of the vertical electric and horizontal magnetic components of the electromagnetic field of the discharge. Model estimations of the errors of some algorithms, which are caused by the influence of external atmospheric and industrial interference, are presented. The results allow one to formulate the requirements for instrumental equipment of lightning direction and range finders and estimate the boundaries of their operative application under conditions of reaching the necessary accuracy. We discuss the data obtained during field tests of functional prototypes of such devices in the actual lightning-storm environment, which confirm their applicability for one-point passive location of thunderstorm cells.
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