transportation networks and biorefinery locations in illinois
Electronics Supply Networks and Water Pollution in China: Understanding and Mitigating Potential Impacts docx
Ngày tải lên :
29/03/2014, 21:20
... cleaning For example, PCB manufacturing involves a number of complicated and intensive processes, including cleaning and surface preparation of the base, electroless copper plating, pattern printing ... performance into initial and ongoing supplier selection and assessment BSR | Electronics Supply Networks and Water Pollution in China Introduction With nearly 20 percent annual growth in recent ... southern and eastern regions, many manufacturers are moving to smaller cities or townships, or to inland provinces with lower operating expenses Water demand is expanding rapidly in such locations, ...
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Congestion and Error Control in Overlay Networks
Ngày tải lên :
26/10/2013, 17:15
... protocol introduced in [46] is aimed at eliminating the instability and periodic losses inherent in both RLC and RLM This is due to the bandwidth inference in these protocols caused by the join experiments ... coordinate address allocations to avoid addressing clashes within a single administrative domain Layer – Inter-domain: Protocols and mechanisms to allocate multicast address ranges to Prefix Coordinator ... nodes are entire domains instead of individual routers BGMP builds and maintains group shared trees with a single root domain, and can optionally allow domains to create single-source branches...
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Tài liệu Neural Networks and Neural-Fuzzy Approaches in an In-Process Surface Roughness Recognition System for End Milling Operations pptx
Ngày tải lên :
23/01/2014, 01:20
... review, in addition to communication with leading private industrial research and development laboratories in the state of Iowa (including Winnebago Co in Forest City; Delavan Inc in Des Moines; ... manually inspecting machined surfaces at fixed intervals A surface profilometer containing a contact stylus is used in the manual inspection procedure This procedure is both time-consuming and labor-intensive ... from the training and testing 16.4.2 ISRR-FN System The structure of the ISRR-FN, as shown in Figure 16.8, consisted of the sensing system, machining parameters, and ISRR-FN In this sensing system,...
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Tài liệu Cisco AVVID Network Infrastructure: Implementing 802.1w and 802.1s in Campus Networks ppt
Ngày tải lên :
24/01/2014, 10:20
... Rapid-PVST+ Interacting with PVST+ 4-15 Rapid-PVST+ Interacting with MSTP 4-16 MSTP Interaction (General) 4-16 IST Interacting with STP 4-16 IST Interacting with PVST+ 4-17 IST Interacting with ... Chapter 4, “Deploying RSTP and MSTP” Provides guidelines and examples for implementing RSTP and MSTP Cisco AVVID Network Infrastructure: Implementing 802.1w and 802.1s in Campus Networks 956652 ... WANs, Internet connections, and PSTNs can be plugged in as building blocks in this model Cisco AVVID Network Infrastructure: Implementing 802.1w and 802.1s in Campus Networks 956652 1-1 Chapter Introduction...
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Artificial Neural Networks - a Useful Tool in Air Pollution and Meteorological Modelling pdf
Ngày tải lên :
29/03/2014, 21:20
... model in the training or testing set at all The training, testing and production sets should reflect all the situations that can arise in the on-line use of the model Feature determination and ... 3.5 Training and testing process After the topology has been determined and the patterns prepared, a training algorithm (for instance a backpropagation algorithm) should be used to determine the ... learning, to reduce the number of learning patterns needed and to increase the probability of finding the global minimum of the error function during learning Firstly the modeller should determine...
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REED: Robust, Efficient Filtering and Event Detection in Sensor Networks docx
Ngày tải lên :
30/03/2014, 16:20
... Tong, and D Culler Taming the underlying challenges of reliable multihop routing in sensor networks In Proc of SenSys, 2003 [31] Yong Yao and Johannes Gehrke Query processing in sensor networks In ... back to the node containing the original table and joining again This semi-join technique is an interesting possible optimization, though our Bloom-filter approach subsumes and likely outperforms ... joined, projecting the resulting schema on one of the tables, sending this smaller version of the table to the node containing the other table and joining at this node, and then sending this result...
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an toàn trong bảo quản, vận chuyển, sử dụng và tiêu hủy vật liệu nổ công nghiệp national technical regulation on safety in the storage, transportation, use and disposal of indust
Ngày tải lên :
16/04/2014, 23:54
... phải có hai người áp tải Người trưởng đoàn (thường người áp tải thứ nhất) phải cabin xe Người áp tải thứ hai ngồi cabin xe cuối đ) Trên đường vận chuyển cần đỗ để nghỉ ngơi, dừng vùng dân cư, cách ... hành theo quy định pháp luật chất lượng sản phẩm, hàng hoá Nội dung danh mục phải bao gồm thông tin phân loại, quy cách bao gói, tiêu chất lượng nguồn gốc VLNCN 13 Khoảng cách an toàn: Là khoảng ... VLNCN hoạt động sau có giấy phép quan có thẩm quyền theo quy định pháp luật quản lý VLNCN, an ninh, an toàn phòng cháy chữa cháy Phương tiện, bao bì, thùng chứa vận chuyển VLNCN phải đủ điều...
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survivability and traffic grooming in wdm optical networks
Ngày tải lên :
01/06/2014, 11:37
... Observations Traffic grooming in WDM networks 9.1 Traffic grooming in WDM rings 9.2 Static traffic grooming in rings 9.3 Dynamic traffic grooming in WDM networks Gains of traffic grooming 10.1 Network parameters ... aspects and issues in the design xvi Preface of such networks, which include the routing and wavelength assignment problems, optical packet switching and optical burst switching, traffic grooming and ... formulated as an integer linear programming (ILP) or a mixed integer linear programming (MILP) problem Since the number of variables and constraints can be very large in WDM networks, heuristics...
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Báo cáo hóa học: "Energy consumption and lifetime analysis in clustered multi-hop wireless sensor networks using the probabilistic cluster-head selection method" pdf
Ngày tải lên :
20/06/2014, 22:20
... inefficiency and signaling overhead The energy loss due to inefficient operations in MAC, such as idle listening or overhearing, and clustering overhead may depend on the MAC protocol, the routing (14) ... and μ = glAl 0 and μ represent the energy consumed for data processing, transmitting, and receiving an l bits message, and the total energy consumption by the cluster-heads for aggregating information ... cluster-heads and the sink node The average number of hops between the cluster-heads and the sink node depends on the sink node’s location We consider a disc-shaped sensing terrain with radius r According...
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Báo cáo hóa học: " Research Article Class-Based Fair Code Allocation with Delay Guarantees for OVSF-CDMA and VSF-OFCDM in Next-Generation Cellular Networks" ppt
Ngày tải lên :
21/06/2014, 11:20
... multicode interference, whereas increasing frequency domain spreading increases frequency diversity Thus a trade-off between reduction of multicode interference and increased frequency domain spreading ... triangle in the figure In Figure 5(b), calls A and B use codes C(2, 0) and C(2, 1) as the time domain codes, respectively This increases time domain spreading and also reduces intrauser multicode interference ... algorithm, determines the time domain and frequency domain spreading factors so that the frequency domain spreading is maximized while keeping the intrauser multicode interference on time domain codes...
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Báo cáo hóa học: "Research Article Admission Control and Interference Management in Dynamic Spectrum Access Networks" pot
Ngày tải lên :
21/06/2014, 17:20
... maximum of two SUs fit into the upper band At this point, it is more convenient to move the SU in the lower band to the empty channel in the upper band, avoiding in this way future interference if a ... the impact of incorporating admission control on the forced termination of SUs and also the impact of deploying channel allocation with preference and repacking on the interference In Section 4, ... to and decreasing (increasing) it reduces (augments) the acceptance rate of SU requests, which will in turn decrease (increase) ft both P2 and the interference Note that the definition of t in...
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báo cáo hóa học:" Joint cooperative relay scheme for spectrum-efficient usage and capacity improvement in cognitive radio networks" docx
Ngày tải lên :
21/06/2014, 17:20
... network in Rayleigh fading channel By introducing the pricing variables in OFDMA cellular system, a utility maximization framework has been proposed in [15] for joint RN selection, power and bandwidth ... Communications Ministry of Education, Information and Telecommunication Engineering of Beijing University of Posts and Telecommunications (BUPT), Haidian Dist Xitucheng Rd Beijing 100876, P.R China ∗ Corresponding ... is evaluated and quantified within the peak power constraints for spectrum sharing in [7] Besides, the stable throughput techniques are designed in [8] by using SU as a relay for PU link, whose...
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Báo cáo hóa học: " Research Article New Method to Determine the Range of DVB-H Networks and the Influence of MPE-FEC Rate and Modulation Scheme" doc
Ngày tải lên :
21/06/2014, 22:20
... Wireless Communications and Networking Locked? N Y Incoming table? N Y Incoming table correct(ed)? In middle between correct(ed) and incorrect table? N Y Y N 1 Nearest incoming table correct(ed)? ... determine RCINR|5 (defined in Section 2.3), a window of 80 samples is slid along the route For each position of the window, the average CINR of the samples inside the window is determined The window ... The window stops sliding when the average CINR within the window drops below the required CINR|MFER5% value These CINR|MFER5% values have been determined in [6, 7, 13] RCINR|5 is then defined...
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Báo cáo hóa học: "Research Article Spatial and Temporal Fairness in Heterogeneous HSDPA-Enabled UMTS Networks" docx
Ngày tải lên :
21/06/2014, 22:20
... transmitted during a TTI A number of tables in [22] define a unique mapping between CQI and TFC This means that with an increasing CQI, the demand on code resources is also increasing This leads ... resource and interference situation into account Finally, the expected departure times of the HSDPA users are updated according to the remaining data volumes and data rates 1 (km) Figure 6: Inhomogeneous ... Berg, and M Fleuren, “Spatial traffic heterogeneity in HSDPA networks and its impact on network planning,” in Proceedings of the 19th International Teletraffic Congress (ITC ’05), pp 653–666, Bejing,...
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Báo cáo hóa học: "Research Article Dynamic Resource Assignment and Cooperative Relaying in Cellular Networks: Concept and Performance Assessment" pot
Ngày tải lên :
21/06/2014, 23:20
... Scenario A LOS link is assumed for nodes in the same street and a NLOS link for nodes in different streets and MSs are located inside of a building or in a street The corresponding channel and path-loss ... A LOS link is assumed for nodes in the same street and a NLOS link for nodes in different streets and MSs are located inside a building or in a street Details of the propagation model and additional ... cooperative relaying in comparison to singlepath relaying This is of course at the cost of additional signaling and control overhead Nonetheless, the coordinated and joint transmission of BSs and RSs...
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Báo cáo hóa học: "Research Article On PHY and MAC Performance in Body Sensor Networks" pptx
Ngày tải lên :
21/06/2014, 23:20
... The trimming routine should be run on each power up or at regular intervals to maintain optimum performance In- Body RF Communication The requirements of RF communication for on-body and in- body ... corrected by invoking an Error Correction Code (ECC) The infrequent ECC invocation shows better link quality As with the signal level and RSSI, the figure further shows an improvement in the link at ... and J Tan, “Heartbeat driven medium access control for body sensor networks, ” in Proceedings of the 1st ACM SIGMOBILE International Workshop on Systems and Networking Support for Healthcare and...
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Báo cáo hóa học: " Research Article On Traffic Load Distribution and Load Balancing in Dense Wireless Multihop Networks" pdf
Ngày tải lên :
22/06/2014, 19:20
... load balancing in finite networks obtained by solving an LP problem: typically the links in the center of the network are constraining, realizing the same maximum utilization, while links at the ... multihop networks In [6], Pham and perreau, and later in [7] Ganjali and Keshavarzian have studied the load balancing using multipath routes instead of shortest paths The analysis is done assuming ... network In Section we concentrate on deriving some bounds for the load balancing problem The load balancing problem in wired networks is well known and provides some insight into this problem In particular,...
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Báo cáo hóa học: " Research Article A Markovian Model Representation of Individual Mobility Scenarios in Ad Hoc Networks and Its Evaluation" ppt
Ngày tải lên :
22/06/2014, 19:20
... representation can be applied in both infrastructureless and infrastructured wireless networks Such proposal characterizes mobility in an interesting and comprising way; however, evaluation metrics ... Analytical modeling The SIMM model uses two Markov chains with discrete parameters and states (0, 1, and 2), to represent movements in the x- and y-coordinate, with changes in coordinates x and y assumed ... representing not only patterns with only one increment in the x and y coordinates (e.g., the SIMM model), but also with several increment values in these coordinates, with a smooth variation in this increment...
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Báo cáo hóa học: " Research Article Tree-Based Distributed Multicast Algorithms for Directional Communications and Lifetime Optimization in Wireless Ad Hoc Networks" pptx
Ngày tải lên :
22/06/2014, 22:20
... dark arrows indicate links that are included into the tree in search phases and the light arrows indicate the links that are included into the tree in grow phases.) Finally, it remains to show ... sector in Figure 5(a) There is no any other link included in the tree in the following grow operation Step In the second iteration, the link (4, 1) is found and added into the tree with minimum ... Cheng, J Sun, M Min, and D.-Z Du, “Energy-efficient broadcast and multicast routing in ad hoc wireless networks, ” in Proceedings of the 22nd IEEE International Performance, Computing and Communications...
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Báo cáo hóa học: " Systematic Errors and Location Accuracy in Wireless Networks" ppt
Ngày tải lên :
22/06/2014, 23:20
... help in preparing the final manuscript REFERENCES [1] IEEE Signal Processing Magazine, “Location is everything: positioning in wireless networks (a special issue),” IEEE Signal Processing Magazine, ... lies in signal processing Especially he is interested in direct-sequence code phase synchronization in hostile environment, adaptive antenna algorithms, and channel estimation and positioning ... participating in the design and development of advanced software-defined radio for Finnish defence forces Timo Br¨ ysy received his M.S degree in a 1991 and his Ph.D degree in 2000, both in physics...
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