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The lead-time for the retailer's inventory system may be changed with different suppliers in chinapsilas low technology industries. A multi-agent simulation system is proposed to simulate this category of dynamic supply chain. In the simulation system, the retailer's stock was controlled by (S, s) policy, and then four categories of supply chain scenarios were suggested. Four propositions were achieved...
This paper integrates routing, channel assignment and scheduling expecting for throughput optimization of traffic profile in wireless mesh networks (WMNs). In this paper, extended Petri Net (EPN) is introduced to describe WMN for the first time. This model integrally describes the backbone structure of WMNs and the routing task of it. By EPN routing, channel assignment and scheduling are seamlessly...
Generally, the code excited linear predictive (CELP) coding is known as one of the best algorithms for bit rate between 4 kbps and 16 kbps. Recently, the algebraic CELP (ACELP) algorithm has been widely adopted in standard speech coders such as G.729 and Adaptive multi rate (AMR) and AMR Wide Band (AMR-WB).In order to improve the speech quality based on CELP algorithm, harmonic Pitch pre-emphasis...
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