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Conventional measuring methods cannot accurately detect the depth and the horizontal distance of the lakes, especially when a fixed-point sampling is needed on the surface of the lake, because it is restricted by the natural conditions, capital and human resource. This paper presents a new methodology for measuring the isobath and the horizontal surface distance of a lake. And the mapping process...
The distance between the two ground wires of ZBS2 tower used in UHVAC transmission lines is far off. It is necessary to study the lightning shielding properties of center-phase line. Therefore, we adopt line model with the scale of 63:1, considering the voltage of wire, and using the operation wave approaching the natural thunder and lightning wave. By a number of pulse discharge experiments, the...
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