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Mapping regional spatial patterns of coral reef geomorphology provides the primary information to understand the constructive processes in the reef ecosystem. The technique of remote sensing plays an increasingly important role in the protection and management of coral reef ecosystems. In this paper, an object-based image analysis (OBIA) method was presented to map intra-reef geomorphology of coral...
The technique presented in this paper concerns the problem of how to automatically obtaining the specification of the resulting set of reachable nodes, after destructive operations over the data structure. Our work has two main contributions. First, we represent the node sets by expressions at pre-states, which facilitates the process of proving complex formulas efficiently. Second, we propose an...
A method for structural damage identification using residual force vector and mode shape expansion is presented in this paper. To deal with the incompleteness of measured modal data, a mode shape expansion method is first introduced to match with all degrees of freedom of the finite element model under consideration. And then, the residual force vector is employed to locate the damage position and...
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