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Zhen Han, Weiliang Tao, Dan Zhang and Peng Jiang
The oceanic positioning, navigation and timing (PNT) network requires high-quality underwater acoustic message transmission. Turbo equalization technology has exhibited superior performance for underwater acoustic (UWA) communications compared with conve...
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Theophilos Papadimitriou, Periklis Gogas and Athanasios Fotios Athanasiou
This study aims to forecast extreme fluctuations of Bitcoin returns. Bitcoin is the first decentralized and the largest, in terms of capitalization, cryptocurrency. A well-timed and precise forecast of extreme changes in Bitcoin returns is key to market ...
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Sun-Hoon Kim and Kwang-Jin Kim
The underground silo was constructed as a facility for the disposal of low- and intermediate-level radioactive waste. It is divided into three parts: the upper-dome core, the lower-dome core, and the cylindrical-space core. Numerical parametric studies o...
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Katleho Makatjane and Ntebogang Moroke
During the past decades, seasonal autoregressive integrated moving average (SARIMA) had become one of a prevalent linear models in time series and forecasting. Empirical research advocated that forecasting with non-linear models can be an encouraging alt...
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José Gabriel Oliveira Pinto, Rui Macedo, Vitor Monteiro, Luis Barros, Tiago Sousa and João L. Afonso
This paper presents a single-phase Shunt Active Power Filter (SAPF) with a multilevel converter based on an asymmetric full-bridge topology capable of producing five distinct voltage levels. The calculation of the SAPF compensation current is based on th...
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Jan H van Vuuren
Pág. 87 - 95
?n Deelversameling X ? V van die puntversameling V van ?n grafiek G = (V,E) is ?n onafhanklike versameling in G indien geen twee punte van X naasliggend is in G nie. Die kardinaalgetal van ?n grootste onafhanklike versameling in G word die onaf...
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Anselmo Chaves Neto,Thais Mariane Biembengut Faria
Pág. 169 - 181
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Ayhan Esi, Bipan Hazarika
Pág. 131 - 138
In this article, we have introduced the idea of statistically convergent generalized difference lacunary double sequence spaces [¯w2 (M, ?n, p,q)]?, [¯w2 (M, ?n, p,q)]? and defined over a semi norm space (X, q). Also we have study some basic properties...
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Muhammad Jamil,Erich W. Streissler,Robert M. Kunst
Pág. 85 - 109
We explored the impact of exchange rate volatility on industrial production before and after the introduction of common currency for eleven European countries included in European Monetary Union and for four European countries that did not adopt ?Euro? a...
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Vicente León-Martínez and Joaquín Montañana-Romeu
Operation of doubly fed induction generators subjected to transient unbalanced voltage dips is analyzed in this article to verify the fulfillment of the Spanish grid code. Akagi?s p-q theory is not used for this study, because control of the electronic c...
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