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Considering the problem of blind source separation without known number of sources for complicated mechanical system, this paper proposes a novel blind source separation (BSS) algorithm based on parallel factor analysis (PARAFAC). In the proposed method, the centralized sensor data are firstly divided into non-overlapping range blocks of fixed size, and single time-delay covariance matrices of each...
In this paper, a new scheme to reduce the positioning error is investigated for wireless sensor networks (WSN). To be specific, conventional Distance Vector-Hop (Dv-Hop) algorithm fail to calculate the average distance per-hop with high precision that caused by the random distribution of the irregular network topology, greatly leading to the positioning error in the Dv-Hop algorithm. To enhance the...
Formal method is an important approach for construction of the trustworthy software. Koch curve is one of the typical fractals. Employing PAR method and the strategy of developing loop invariant, this paper develops non-recursive algorithmic program of L system based Koch curve and verifies the program formally. This paper aims at non-recursive algorithms directly", "and achieves loop invariant...
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