This paper derives the maximum posterior adjustment formulae of the extended network and the estimation formulaes of variance components of Helmert, Welsch and Frstner types when there are two types of uncorrelated ob...This paper derives the maximum posterior adjustment formulae of the extended network and the estimation formulaes of variance components of Helmert, Welsch and Frstner types when there are two types of uncorrelated observations in it, and perfects the theory of the maximum posterior adjustment.展开更多
In this paper, we further study the connections between linear network error correction codes and representable matroids. We extend the concept of matroidal network introduced by Dougherty et al. to a generalized case...In this paper, we further study the connections between linear network error correction codes and representable matroids. We extend the concept of matroidal network introduced by Dougherty et al. to a generalized case when errors occur in multi- ple channels. Importantly, we show the necessary and sufficient conditions on the existence of linear network error correction mul- ticast/broadcast/dispersion maximum distance separable （MDS） code on a matroidal error correction network.展开更多
For three consecutive years, ZTE has been the fastest growing optical network vendor in the world. Our WDM equipment gives extra high transmission capacity over long distances at the same time as optimizing your optic...For three consecutive years, ZTE has been the fastest growing optical network vendor in the world. Our WDM equipment gives extra high transmission capacity over long distances at the same time as optimizing your optical fibre resources.展开更多
A novel extended network for service restoration optimization problem under distributed generation scenarios is presented in which the main network restoration and DG island restoration problems are integrated into a ...A novel extended network for service restoration optimization problem under distributed generation scenarios is presented in which the main network restoration and DG island restoration problems are integrated into a unified spanning-tree problem.The proposed technique is aimed to realize synchronous optimization of both main network and island restorations,and thus ensure the algorithms that are used find the global optimization solution.A fast loop-breaking technique is also proposed in this paper.Based on the circuit-branch correlation matrix,the proposed technique can break the loops in the distribution systems through matrix operations that significantly improve calculation speeds.Simulation results verify the correctness and advantage of the proposed algorithms:the proposed integrated optimization strategy based on the extended network has better performance compared with a two-step restoration strategy;also,the proposed loop-breaking technique has faster calculation speed compared with prim algorithm and DFS based on adjacentmatrix.展开更多
文摘This paper derives the maximum posterior adjustment formulae of the extended network and the estimation formulaes of variance components of Helmert, Welsch and Frstner types when there are two types of uncorrelated observations in it, and perfects the theory of the maximum posterior adjustment.
基金Supported by the National Natural Science Foundation of China(6127117461272492)
文摘In this paper, we further study the connections between linear network error correction codes and representable matroids. We extend the concept of matroidal network introduced by Dougherty et al. to a generalized case when errors occur in multi- ple channels. Importantly, we show the necessary and sufficient conditions on the existence of linear network error correction mul- ticast/broadcast/dispersion maximum distance separable （MDS） code on a matroidal error correction network.
文摘For three consecutive years, ZTE has been the fastest growing optical network vendor in the world. Our WDM equipment gives extra high transmission capacity over long distances at the same time as optimizing your optical fibre resources.
基金supported by the Fundamental Research Funds for the Central Universities under Grant 2015MS06.
文摘A novel extended network for service restoration optimization problem under distributed generation scenarios is presented in which the main network restoration and DG island restoration problems are integrated into a unified spanning-tree problem.The proposed technique is aimed to realize synchronous optimization of both main network and island restorations,and thus ensure the algorithms that are used find the global optimization solution.A fast loop-breaking technique is also proposed in this paper.Based on the circuit-branch correlation matrix,the proposed technique can break the loops in the distribution systems through matrix operations that significantly improve calculation speeds.Simulation results verify the correctness and advantage of the proposed algorithms:the proposed integrated optimization strategy based on the extended network has better performance compared with a two-step restoration strategy;also,the proposed loop-breaking technique has faster calculation speed compared with prim algorithm and DFS based on adjacentmatrix.
