Single-row routing is fundamentally a routing technique for pairs of nodes arranged in a single-row *** contributes in the printed circuit hoard(PCB)design. The main objective in single-row routing is to achieve minim...
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Single-row routing is fundamentally a routing technique for pairs of nodes arranged in a single-row *** contributes in the printed circuit hoard(PCB)design. The main objective in single-row routing is to achieve minimum congestion arising from the number of horizontal tracks in the *** results for a single layer network have been achieved through our previous model called ***,a single layer model suffers from non-tolerable lower bound values with high congestion depending on the network size. These results may further be improved by partitioning the network into two or more *** this paper,we propose a technique based on the graph partitioning concept for partitioning the nodes from a single-row network into several layers of planar *** experiment result shows that the proposed technique is able to decrease the network congestions.
The need for effective data compression is evident in almost all applications where storage and transmission of digital images are *** the simple hardware complexity it is so easy to implement in SILl.A logic scheme i...
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The need for effective data compression is evident in almost all applications where storage and transmission of digital images are *** the simple hardware complexity it is so easy to implement in SILl.A logic scheme image processing system based on coordinated DSP and FPGA techniques is presented,in this system, FPGA is used as image acquisition unit and DSP is designated to image *** order to dispose computational complexity and search precision aiming at the black match algorithm,in this paper,a method of Block Match Quantum-behaved Particle Swarm Optimization(BMQPSO)is introduced in order to realize the image compression *** the process of image compression,an ordered representation frame of image is first searched by particles,and then the compressed code was optimized according to the particles *** results show that the compression efficiency of BMQPSO algorithm is much better than classical algorithms.
Pastry is a generic peer-to-peer distributed object location and routing scheme,based on a self-organizing overlay network of nodes connected to the ***,the traditional Pastry design is a flat overlay network and limi...
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Pastry is a generic peer-to-peer distributed object location and routing scheme,based on a self-organizing overlay network of nodes connected to the ***,the traditional Pastry design is a flat overlay network and limited-scope searching,in which all nodes have identical capabilities and responsibilities and all communication is symmetric. But in practice,because of a variety of available bandwidth and delay,each node has different ***,in this paper,a hierarchical Pastry network model is presented to address this ***,the routing procedure and handling algorithm of the arrival and departure of nodes will be carefully ***,some elementary experimental results obtained with a prototype implementation on JXTA platform indicate that the improved Pastry network model is superior in routing performance.
An enterprise resource planning(ERP)system is defined as a unified information system,performing all information processing tasks of a company and realizing an integration of the whole *** paper describes the architec...
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An enterprise resource planning(ERP)system is defined as a unified information system,performing all information processing tasks of a company and realizing an integration of the whole *** paper describes the architecture of the ERP platform,which is composed of a front-end web server,an application server and a backend database server,and then proposes its analytical model by using queueing network theory. A test environment is built to measure model parameters based on enterprise standard server components and Load runner *** measurement results show the model predicts performance measures such as response time and throughput accurately.
The task of building distributed application network is plagued by cost,ambiguous requirements and schedule overrun.A fundamental problem in building distributed applications is the presence of unreliable estimation t...
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The task of building distributed application network is plagued by cost,ambiguous requirements and schedule overrun.A fundamental problem in building distributed applications is the presence of unreliable estimation to formulate the list of requirements in the initial stage of project life ***,this often leads to reactive response from decision-makers against error occurrences,leaving a very small space for developers to establish forward *** estimations are enhanced to include more sophisticated verification and validation methodologies,the problem will *** paper looks at the Petri Net methodology as a modelling and simulation instrument to verify and validate models of distributed application networks.
Quantum-behaved Particle Swarm Optimization is a new particle Swarm Optimization *** with Standard Particle Swarm Optimization(SPSO),it guarantees that particles converge in global optimum point in probability and thi...
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Quantum-behaved Particle Swarm Optimization is a new particle Swarm Optimization *** with Standard Particle Swarm Optimization(SPSO),it guarantees that particles converge in global optimum point in probability and this algorithm has better performance and *** paper based on Sun's work introduces an improved Quantum-behaved Particle Swarm Optimization Algorithm,multi-swarm Parallel Quantum-behaved Particle Swarm Optimization (PQPSO).In this algorithm,employs the co-evolution model to avoid pre-maturity and improve global search *** approach is tested on several accredited benchmark functions and the experiment results show much advantage of PQPSO to SPSO and QPSO,and the running time is also decreased in linear.
A number of recent studies have focused on the community structure(*** node-node links within communities but sparser links between them)in complex network systems such as social networks and biological networks,and i...
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A number of recent studies have focused on the community structure(*** node-node links within communities but sparser links between them)in complex network systems such as social networks and biological networks,and it suggested that community structure could helpful for understanding the organizational principles of these *** this article,we firstly investigate the basic structure in reconstructed metabolic network of *** based its"bow tie"structure ***, the most important part giant strong component(GSC) is extracted and decomposed based on simulated annealing algorithm,and the results suggested that these divisions are functional significant for metabolism by compared to pathway information in KEGG.
Efficiency and adaptivity play a major role in the design of fourth-generation(4G)wireless systems.4G systems should be bandwidth efficient,power efficient,and allow for low complexity *** fourth Generation mobile net...
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Efficiency and adaptivity play a major role in the design of fourth-generation(4G)wireless systems.4G systems should be bandwidth efficient,power efficient,and allow for low complexity *** fourth Generation mobile network include many information and is a certain path to future mobile communication *** paper discusses the overview on adaptive mobile network of 4G systems.4G network structure, adaptive network of 4G system,compare of 3G and 4G are discussed in this paper Research status in quo also introduced in the paper.
Manufacturing grid serves as an integrated platform for manufacturing resources,and the good knowledge of and efficient control over the state of manufacturing resources are critical in that the resource exceptions ca...
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Manufacturing grid serves as an integrated platform for manufacturing resources,and the good knowledge of and efficient control over the state of manufacturing resources are critical in that the resource exceptions can be timely noticed and removed so as to ensure reliable *** the features of manufacturing grid,the writer,adopting the strategy of active detecting in the mode of PULL,propose a new mode of states detecting algorithm of manufacturing *** detecting algorithm is capable of meeting various demands of all kinds of manufacturing resources, supporting the strategy of priority of local resources,and demanding no clock *** experimental evaluation,the detecting algorithm shows good stability and correctness.
Being an excellent filter tool,wavelet analysis is applied to curve and surface fairing in reverse engineering more and more *** wavelet fairing,B-Spline basis function is used as wavelet basis ***, B-Spline basis fun...
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Being an excellent filter tool,wavelet analysis is applied to curve and surface fairing in reverse engineering more and more *** wavelet fairing,B-Spline basis function is used as wavelet basis ***, B-Spline basis functions and corresponding wavelets are lack of translation orthogonality,widely used Mallat rapid algorithm does not work for this kind of wavelet decomposition and *** the basis of analysis of decomposition and reconstruction theory of B-Spline wavelets,inherent relationships between different dilating and translating serieses on different scale of B-Spline basis functions are researched *** solution process of wavelet decomposition and reconstruction is described by clear geometry meanings and the corresponding solution of reconstruction matrix P is elaborated,*** algorithm is clear,efficient and robust and avoids the Abstract and complexity of wavelet *** last,an example of decomposition and reconstruction of complicated curve is provided by means of this algorithm. It is proved to be feasible to fairing of complicated curve. By tensor product operation,this algorithm can be applied to surface fairing easily.
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