storage processing and preservation
(Information technology transmission, processing and storage) john b anderson, arne svensson (auth ), jack keil wolf, robert j mceliece, john proakis, william h tranter (eds ) coded modulation sys
... communication and focused attention on bandwidth efficiency This book is about these themes: power and bandwidth in coding, schemes that perform well in the joint sense, narrowband coding and coding ... modeling problem and distinguish these cases Sections 6.3 and 6.4 calculate distance and bandwidth for real-number discrete-time convolutional coding and derive optimal codes in an energy–bandwidth sense ... 6.2 Modeling and MLSE for ISI and Linear Coded Modulation 6.2.1 A Modeling Framework for PRS Coding and ISI 6.2.2, Maximum Likelihood Reception and Minimum Distance 6.3 Distance and Spectrum...
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Introduction to Digital Signal Processing and Filter Design
... digital signal processing is found in hearing aids and cardiac pacemakers Image Processing Image enhancement, image restoration, image understanding, computer vision, radar and sonar processing, ... processing system 1.5 ANALOG AND DIGITAL SIGNAL PROCESSING The basic elements in digital filters are the multipliers, adders, and delay elements, and they carry out multiplication, addition, and ... Oppenheim and R W Schafer, Discrete-Time Signal Processing, PrenticeHall, 1989 REFERENCES 31 R D Strum and D E Kirk, Discrete Systems and Digital Signal Processing, Addison-Wesley, 1989 S S Soliman and...
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Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... (1) where mn, µn, and krn are the mobility, viscosity, and relative permeability of the non-wetting phase (CO2) respectively and mw, µw, and krw are the mobility, viscosity, and relative permeability ... response and its management) In addition, the storage efficiency of an aquifer is also dependent on various injection strategies and parameters associated with them; the optimization of the storage ... tends to rise up to the ceiling (caprock) of the aquifer and forms a large spreading plume, decreasing both the storage capacity, safety and economic feasibility of SAGCS considerably To address...
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Introduction to Digital Signal Processing and Filter Design - Introduction
... digital signal processing is found in hearing aids and cardiac pacemakers Image Processing Image enhancement, image restoration, image understanding, computer vision, radar and sonar processing, ... processing system 1.5 ANALOG AND DIGITAL SIGNAL PROCESSING The basic elements in digital filters are the multipliers, adders, and delay elements, and they carry out multiplication, addition, and ... Oppenheim and R W Schafer, Discrete-Time Signal Processing, PrenticeHall, 1989 REFERENCES 31 R D Strum and D E Kirk, Discrete Systems and Digital Signal Processing, Addison-Wesley, 1989 S S Soliman and...
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Tài liệu Module 4: Creating and Managing Storage Groups and Stores docx
... Creating and Managing Storage Groups and Stores 23 # Creating and Managing Storage Groups and Stores Topic Objective To explain how to create a storage group, create and configure stores, and move ... Creating and Managing Storage Groups and Stores Managing Storage Groups and Stores Topic Objective To describe the administrative functions of managing storage groups and stores First Storage ... Creating and Managing Storage Groups and Stores 31 Planning Multiple Storage Groups and Stores Topic Objective To plan for the use of multiple stores and storage groups ! Planning Multiple Storage...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P1 pdf
... parallel operation and can diminish both speed up and scale up, particularly: (i) start up and consolidation costs, (ii) interference and communication, and (iii) skew Start Up and Consolidation ... Database Processing and Grid Databases High-Performance Parallel Database Processing and Grid Databases David Taniar Monash University, Australia Clement H.C Leung Hong Kong Baptist University and ... the first join attribute exists in Table and Table 2, and the second join attribute exists in Table and Table 3, and the last join attribute exists in Table and Table Therefore, these join operations...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P2 docx
... for parallel database processing can be found in Hameurlain and Morvan (DEXA 1995), Graefe and Cole (ACM TODS 1995), Shatdal and Naughton (SIGMOD 1995), and Ganguly, Goel, and Silberschatz (PODS ... processing Therefore, understanding skew modeling is a critical part of understanding parallel database query processing In Section 2.4, basic cost calculation for general parallel database processing ... processor 1, L–T to processor 2, and the rest to processor Therefore, Students Black and Chan go to processor 1, Robertson and Tan to processor 2, and Williamson and White to the last processor...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P3 docx
... group-by attribute and performs the aggregate function Using Query 4.5 as an example, one node may produce, for example, (Math, 300) and (Science, 500) and another node (Business, 100) and (Science, ... merging costs First, the host processes all records, and hence R and jRj are used in the cost equations, 100 Chapter Parallel Sort and GroupBy not Ri and jRi j Second, since only one processor, namely ... Iyer and Dias (ICDE 1990) and DeWitt et al (1992) discuss systems issues in parallel database sorting Parallel sorting for databases uses external sorting methods Yamane and Take (1987) and Zhao...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P4 pptx
... the join query result and the product of the two tables R and S For example, if there are 100 and 200 records from table R and table S, respectively, and the join between R and S produces 50 records, ... table S jRj and jSj Number of records in table R and table S jRi j and jSi j Number of records in table R and table S on node i P Page size H Hash table size Query parameters πR and πS Projectivity ... join) and Hua et al (VLDB 1991; IEEE TKDE 1995; proposing partition tuning to handle dynamic load balancing) Other work on skew handling and load balancing include DeWitt et al (VLDB 1992) and...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P5 pptx
... spread, but spread not random randomly randomly not random randomly randomly not random randomly Figure 7.26 A comparative table for parallel multi-index selection query processing using a one-index ... components of storage: storage for tables and storage for indexes Parallel indexing storage is similar to indexing storage for uniprocessors This chapter has also studied both indexing storage for ... parallel processing, which in this case is confirmed in parallel one-index join and parallel two-index join processing An obvious drawback is storage overhead, which can be enormously large If storage...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P6 doc
... Scheduling and Optimization processing node P5 processing node R4 P3 processing node processing node processing node P2 P4 processing node R2 R3 processing node P1 processing node R1 processing ... stands for restriction and ð p for join operation processing node P2 processing node processing node P1 P5 processing node R4 P3 R1 processing node processing node R2 P4 processing node R3 processing ... one of the processing nodes, and hence a decentralized processing control scheme must be used The processing architecture consists of a set of nodes with identical configurations and processing...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P7 ppt
... data at local sites for efficient access, and fast processing of data by divide -and- conquer technique, and at times distributed processing is computationally and economically cheaper It is easy to ... (ICDE 2006 and DAPD 2006) examined resource scheduling for grid query processing considering machine load and availability Li et al (DKE 2004) proposed an on-demand synchronization and load distribution ... load node with the largest relation operand of Q and put the node into group G (if no clusters have relation operand of Q, random selection is made) Sort the processing nodes selected in S in an...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P8 pptx
... a protocol understandable to the originator 336 Chapter 11 Grid Concurrency Control The term “coordinator” is used in Figures 11.5 and 11.6 and “originator” in Figures 11.7 and 11.8 In both cases, ... protocol, and explain how it solves the concurrency issues in the Grid 11.5 Compare and contrast the difference between GCC and any other concurrency control protocols (e.g., distributed databases and ... Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright 2008 John Wiley & Sons, Inc 341 342 Chapter 12 Grid Transaction Atomicity and Durability...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P9 pdf
... SUM(CASE WHEN Mark FROM Students; BETWEEN BETWEEN BETWEEN BETWEEN BETWEEN 80 70 60 50 40 AND 100 AND 80 AND 70 AND 60 AND 50 THEN THEN THEN THEN THEN 1 1 ELSE ELSE ELSE ELSE ELSE 0 0 END) END) END) END) ... T D 0, D B1 , D B4 and D B5 (Y in Fig 14.2) being the chosen replicas for the quorum At T D 1, D B4 decides to abort and D B1 and D B5 decide to commit the subtransaction and hence are in the ... one hand, data replication can increase the performance and availability of the system, while on the other hand, if not designed properly, a replicated system can produce worse performance and...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P10 pptx
... these candidate itemsets, and prunes all infrequent candidate 2-itemsets Ž In the third iteration, it again joins each of the frequent 2-itemsets and generates the following potential candidate ... element of s1 , and y the last item of s2 , the new candidate is if y is a single item element, or add y to x otherwise For candidate 2-sequences, for all x F1 and y F1 , join x and y to become ... example of candidate generation The table gives frequent 3-sequences, and we would like to use the joining and pruning to create candidate 4-sequences By joining the first sequence and the...
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Tài liệu Advanced Digital Signal Processing and Noise Reduction P2 ppt
... Hz to 80 Hz; band is band-pass and covers 80 Hz to kHz; band is high-pass and covers above kHz; and band is also high-pass and covers above kHz At the encoder the gain of each band is adaptively ... Bibliography ALEXANDER S.T (1986) Adaptive Signal Processing Theory and Applications Springer-Verlag, New York DAVENPORT W.B and ROOT W.L (1958) An Introduction to the Theory of Random Signals and Noise ... echo and processing noise Noise can cause transmission errors and may even disrupt a communication process; hence noise processing is an important part of modern telecommunication and signal processing...
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Tài liệu Advanced Digital Signal Processing and Noise Reduction P1 doc
... terms and in terms of probability functions Bayesian inference theory provides a generalised framework for statistical processing of random signals, and for formulating and solving estimation and ... INTRODUCTION 1.1 Signals and Information 1.2 Signal Processing Methods 1.3 Applications of Digital Signal Processing 1.4 Sampling and Analog−to−Digital Conversion S ignal processing is concerned ... systems, and in efficient and optimal transmission, reception and decoding of information Statistical signal processing theory provides the foundations for modelling the distribution of random signals...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P11 doc
... R., and Fernandes, A., Adaptive Query Processing and the Grid: Opportunities and Challenges, Proceedings of DEXA Workshops, pp 506510, 2004 Gounaris, A., Paton, N.W., Sakellariou, R., Fernandes, ... of International Parallel and Distributed Processing Symposium (IPDPS), pp 66, 2003 Yu, Y., Wang, G., Yu, G., Wu, G., Hu, J., and Tang, N., Data Placement and Query Processing Based on RPE Parallelisms, ... T., and Inoue, U., An Index Structure for Parallel Database Processing, Proceedings of Research Issues on Data EngineeringTransaction and Query Processing (RIDE-TQP), pp 224225, 1992 Lee, C and...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P12 ppt
... 343 sleep state, 343 Storage analysis, index, 188–192 parallel processors, storage cost models for, 191–192 FRI Storage, 192 NRI Storage, 191 PRI Storage, 191 uniprocessors, storage cost models ... S., and Guo, M., “A Scheme of Interactive Data Mining Support System in Parallel and Distributed Environment”, Proceedings of International Symposium on Parallel and Distributed Processing and ... “Application-Specific XML Processing: A Parallel Approach for Optimum Performance”, Proceedings of Parallel and Distributed Processing Techniques and Applications (PDPTA), pp 959–964, 2005 Zaki, M.J and Aggarwal,...
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