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Lightning is an important factor in the biosafety of the surrounding area of the tower, and its core lies in the dispersed current damage. Lightning current flows into the earth, resulting in the imbalance of current, the unbalance of current leads to the unbalance of the voltage around the tower. Aiming at the problem of lack of soil dispersed current test and safety assessment, the experiment of...
The performance of a photovoltaic device composed of poly(N-vinylcarbazole) with Covalently Bonded C60 (PVK- C60) exhibits a significant improvement compared with its corresponding simple poly(N-vinylcarbazole) and C60 blend under the same condition. The open circuit voltage (Voc) is increased from 0.25V for their blend to more than 1V for PVK-C60 copolymer. In PVK-C60 copolymer, the carbazole block...
In the view of the unfitness to the actual maneuver of targets that a fixed maneuvering frequency used in the current statistical model. Firstly, predicted measurements of special maneuvering frequency are clustered with the aid of maximum entropy fuzzy clustering. Then, the estimated means and covariance of the state are mixed by utilizing the fuzzy membership degree of the predicted measurements...
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