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Data grid, which provides the capability to store the mass data, has become one of the hottest topics in distributed storage research domains. However, the limited capacity of local storage devices and the high latency of network have become the bottlenecks for efficiently accessing the files in the data grids. These problems can be solved through introducing a replication strategy by which the overall...
The data grid technology, which uses the scale of the Internet to provide storage capability for the mass data, has become one of the hot research topics. The high latency of the network is the bottleneck in accessing the files in data grid systems. The replication strategy can shorten the time of fetching the files by creating many replicas stored in appropriate locations. Due to the limited storage...
An adaptive approach to the estimation of the instantaneous frequency (IF) of non-stationary and nonlinear multi-component signals is presented. This method relates to the newly developed empirical mode decomposition (EMD) and Teager Kaiser energy operator (TKEO). EMD can adaptively decompose signal into a series of zero mean amplitude modulation-frequency modulation (AM-FM) intrinsic mode functions...
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