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This paper studies the key technologies of relay training system based on the IEC61850 standard. WinPcap is used to develop IEC81850 based network communication. The proposed tecnique achieves communication between process and bay level, simulates actions of a relay and provides two protection algorithms, namely Fourier algorithm and Continuous Wavelet Transform. Furthermore, the system provides comprehensive...
We considered the one-sided single-detour untangling twisted nets problem for printed circuit board bus routing. A previous optimal dynamic programming based O(n3) algorithm was proposed in a previous work, where n is the number of nets. In this paper, we propose an optimal O(n) untangling algorithm without considering capacity, and this algorithm is further modified to consider capacity. Experimental...
In this paper, we propose a novel min cut based algorithm for multiple supply voltage assignment under timing constraints. Different with the traditional sensitivity based methods which focus on how to make full use of the slacks of non-critical gates, the proposed algorithm concentrates on critical gates. The circuit is initialized in the lowest power level, then the length of critical paths is tried...
Low power design has become one of the most significant requirements when CMOS technology entered the nanometer era. Therefore, timing budget is often performed to slow down as many components as possible so that timing slacks can be applied to reduce the power consumption while maintaining the performance of the whole design. Retiming is a procedure that involves the relocation of flip-flops (FFs)...
In this paper a new approach is presented to handle the reservoir constraints optimization operation problem. The new technique treats constrained optimization as a two-objective optimization. One objective is original objective function; the other is the degree violating the constraints. SCE-UA algorithm is applied to the two-objective optimization by using the individualpsilas comparing procedure...
In H.264, Intra prediction is employed to reduce energy of prediction error to be transmitted. Because the order of Intra frame encoding is from left to right horizontally and from top to bottom vertically, intra prediction reference pels can only appear on the left side or upside of the block to be predicted, so predicted results are not ideal sometimes. In this paper, a new intra 4 times 4 prediction...
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