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The multi-chip A/D parallel time-interleaved sampling is an effective method to improve sample-rate. However, the mismatch between the parallel channels will lead to nonuniform sampling and seriously degrade the performance of the whole sampling system. By data processing, this paper proposed a method to measure the channel mismatch errors, it is the compution of delay time by the aid of a reference...
G.729 is called conjugate structured-algebraic code excited linear prediction (CS-ACELP), its fixed-codebook adopts algebraic- codebook. The algebraic structure of the codebook allows for a fast search procedure, but it still requires large computational load using the nested-loop search method. The focused search used in G.729 and the depth-first tree search used in G.729a can reduce the searching...
Many applications of existing grid systems are usually deployed on grid nodes in a static manner. Grid computing nodes with highly demanded applications deployed on are always busy; while the others are idle. If these applications could be dynamically deployed on idle nodes, the system performance would be greatly improved. However, the overhead (e.g., package download) caused by dynamic deployment...
The new method presented in this paper shows an effective way of solving an estimation problem, the estimated values are nearer to their theoretical ones than in an adjustment with the method of least squares. Considering the semi parametric adjustment models, firstly, the estimators of the parameters and the nonparametric are derived by using a kernel function and the least square method. Secondly,...
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