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For large-scale networking environments, grouping network nodes into clusters is a key technique to achieve the scalability objective. This paper addresses cycle-based node clustering in the crossed cube architecture. Let r be a positive integer. For any r distinct vertices v1, …, vr of a network G = (V, E), G is said to be spanning (v1, …, vr)-cyclable if there exists a set of r vertex-disjoint cycles...
Android is currently the most widely used operating system for mobile devices. GUI testing for Android applications becomes an important research area in which many studies have been conducted. The past studies show that testing a complicated GUI design may need a large number of test cases which increases exponentially due to the complexity of the GUI. Developers then need to spend a large amount...
For a Marchand balun, the output imbalance due to the inevitable physical separation between the balance ports is a problem. In this paper, a general compensation method to cope with this imbalance issue is proposed with rigorous analysis and design formulas. The compensation relies on two intentionally shortened coupling sections and a pair of short-circuited transmission lines as the terminations...
In order to enhance the learners' key competence in the elementary school, this study integrate 5E learning cycle and ICT-based PBL into nature science learning. The research adopts quasi-experiment design, and conducts a nature science learning experiment of the third grade students. The experiment group accept ICT-based PBL model and utilize Intel thinking tool and eXe software to discuss, organize...
This work presents a fast algorithm, namely 2-D symmetric mask-based discrete wavelet transform (SMDWT), to address some critical issues of the 2-D discrete wavelet transform (DWT). Unlike the traditional DWT involving dependent decompositions, the SMDWT itself is subband processing independent, which can significantly reduce complexity. Moreover, DWT cannot directly obtain target subbands, which...
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