Thunderstorm Cloud Localization Algorithm and Performance Analysis of a Three‑Dimensional Atmospheric Electric Field Apparatus

다국어 초록 (Multilingual Abstract)

In order to accurately obtain the location of thunderstorm cloud and improve the accuracy and stability of thunderstorm cloud localization, a thunderstorm cloud localization algorithm of a three-dimensional atmospheric electric feld apparatus is proposed. An electric feld measurement model is established, and the localization parameters are defned based on the model. According to the theory of mirror method, the potential distribution of the thunderstorm cloud at the atmospheric electric feld apparatus is obtained. Using the potential distribution formula, the three-dimensional electric feld components are derived and the thunderstorm cloud coordinates are obtained. The relationship between the electric feld component measurement error, the azimuth angle, the elevation angle and the ranging and direction-fnding accuracy is given, and the localization performance is analyzed. The results show that the method has a ranging error rate of about 5% and a directionfnding error rate of about 3%, which has a good localization efect.

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