... outdoor and indoor radio propagation environments The path loss is a random variable X with a log-normal distribution expressed by p ( x) = ⎡ (10 log10 x − u x ) ⎤ β exp ⎢ − ⎥, x > 2σ x 2πσ x x ⎣ ... studies the channel estimation for OFDM systems and system capacity for MIMO-OFDM systems, this chapter briefly introduces the background of OFDM systems and MIMO systems OFDM is an effective technology ... principles and characteristics for OFDM systems X i ,0 X i ,1 e jω0t e jω1t X i , N −1 ∑ xi(t) e jωN −1t (a) The transmitter for continuous OFDM systems 21 ∫ TTs (⋅) e − jω 0t ∫ T (⋅) xi(t) T T X i...
Ngày tải lên: 20/11/2012, 11:28
... origination and transaction acquisition and expertise environment This reduces the complexity of the processing infrastructure and the costs and risks associated with managing multiple legacy systems ... IBM and ACI offer unparalleled expertise in designing and optimizing payment systems As leading technology providers of financial services solutions, IBM and ACI Worldwide have ... leading payment cards, and offers standard interfaces to leading devices, switches and host systems ACI’s fault-tolerant application software takes advantage of the best in IBM systems software for...
Ngày tải lên: 21/12/2013, 20:15
Tài liệu Knowledge Managing and Knowledge Management Systems in Inter-organizational Networks pdf
... phase, exploration; (2) development phase, exploitation; and (3) diffusion and ending phase, exportation (Ancona and Caldwell, Inter-organizational Networks 1990) Exploration, exploitation, and exportation ... a class of information systems applied to managing individual and organizational knowledge processes and flows They are ICT-based systems developed and used to support and enhance the organizational ... capacity That is, to use ICT and KMS to identify and acquire external information and knowledge, and to process, analyse and interpret this information and knowledge An example of the former is environmental...
Ngày tải lên: 24/01/2014, 00:20
Tài liệu Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases’ doc
... integrating such systems [Sheth 1987b, 1988131 The second significant extension is to create information systems that not only include database systems but also application programs and expert systems ... (including reformatting), and exception handling The commands for the local systems can be embedded in the DOL programs that are forwarded to the local systems and executed under local control ... 184 l Amit Sheth and James Larson CONTENTS INTRODUCTION Federated Database System Characteristics of Database Systems Taxonomy of Multi-DBMS and Federated Database Systems Scope and Organization...
Ngày tải lên: 20/02/2014, 05:21
IBM BladeCenter Open Fabric Manager Installation and User''''s Guide pot
... 21:80:00:E0:8B: 0X: XX:XX v Second port: 21:81:00:E0:8B: 2X: XX:XX Valid address range for Emulex: v WWNN: 2F:FE:00:00:C9:XX:XX:XX through 2F:FF:00:00:C9:XX:XX:XX v WWPN: 2F:FC:00:00:C9:XX:XX:XX through ... 2F:FF:00:00:C9:XX:XX:XX WWPN odd port range: 2F:FC:00:00:C9:XX:XX:XX WWPN even port range: 2F:FD:00:00:C9:XX:XX:XX where x = F 24 IBM BladeCenter Open Fabric Manager Installation and User's Guide SAS: IBM ... 21:80:00:E0:8B: 0X: XX:XX WWPN even port range: 21:81:00:E0:8B: 2X: XX:XX where : X = F WWNN adresses are generated internally by Qlogic from the WWPN Emulex : WWNN odd port range: 2F:FE:00:00:C9:XX:XX:XX WWNN...
Ngày tải lên: 08/03/2014, 16:20
IBM CloudBurst 2.1 on Systems x & p Cl on Syste stemAn integrated Private Cloud Service Delivery Platform docx
... © 2011 IBM Corporation Than More Informationk you! 44 © 2011 IBM Corporation on ibm. com • IBM CloudBurst on x http://www-03 .ibm. com /systems /x/ solutions/infrastructure/cloud/index.html • IBM CloudBurst ... on x …help enable greater choice when acquiring storage gre 20 © 2011 IBM Corporation IBM CloudBurst on x is Extensible in two ways and … •Ability to add blade compute servers to your initial IBM ... effectively manage and leverage your existing capital investment 21 © 2011 IBM Corporation IBM CloudBurst on p is Extensible in two ways and … •Ability to add Power 750 servers to your initial IBM CloudBurst...
Ngày tải lên: 23/03/2014, 08:20
Installing IBM Systems Director agents on IBM i and preparing agentless managed systems Version 6.3 ppt
... that are related to IBM Systems Director, IBM Systems Director plug-ins, and IBM Systems Director upward integration modules v IBM Systems Director Upward Integration www .ibm. com /systems/ software/director/downloads/integration.html ... IBM Systems Director components, supported IBM Systems Director hardware, operating systems, databases, and workgroup and enterprise systems- management software PDF files for installing IBM Systems ... including IBM Systems Director Forums v IBM Systems Director Forum (System x, System z®, Power Systems ) www .ibm. com/developerworks/forums/forum.jspa?forumID=759 viii Installing IBM Systems Director...
Ngày tải lên: 24/03/2014, 01:20
DSP algorithm and system design for UWB communication systems
... location and ranging applications (with precision at the centimeter level); and More importantly, UWB systems have low system complexity and low cost, since they are essentially baseband systems and ... communication and measurement systems, and vehicular radar systems Specifically, UWB characterizes transmission systems with instantaneous spectral occupation in excess of 500 MHz or a fractional bandwidth ... interception and detection (LPI/LPD), and also produces minimal interference to proximity systems and minimal RF health hazards; The fine time resolution of UWB systems makes them good candidates...
Ngày tải lên: 04/10/2015, 17:05
Semi-blind signal detection for mimo and mimo-ofdm systems
... (ko ) x (n − ko ) = H RE (ko )x RE (n − ko ) , (2-23) in which x RE (n − ko ) = ⎡ x( n − ko )T ⎣ x( n − ko − 1)T x( n − ko ) = [ x1 (n − ko ) x2 (n − ko ) T x( n − ko − d PU )T ⎤ , ⎦ (2-24) xP ( n ... Spatial Demux Frequency selective fading channels TX Receiver RX M TX P Fig 1.1 MIMO system Generally, MIMO systems can be classified into two categories One is space time coding system where ... Moulines, 1997; Liu and Xu, 1997; Hua, An and Xiang, 2003] for synchronous MIMO systems can be used to separate the users’ signals into multi-user single-path signals Unlike CDMA systems where the...
Ngày tải lên: 20/11/2012, 11:36
Knowledge Management and Specialized Information Systems
... điểm thành phần hệ chuyên gia o X c định ba yếu tố để xem x t đánh giá hình thành hệ chuyên gia o Phát họa giải thích ngắn gọn bước để phát triển hệ chuyên gia o X c định lợi ích liên quan đến ... thực phép hàn cần độ x c cao thực công việc khác yêu cầu độ x c cao Các nhà sản xuất sử dùng robot để lắp ráp sơn sản phẩm Người máy học đương thời: kết hợp khả khí với độ x c cao sử dụng phần ... tiến hóa tốt xuất Tác nhân thông minh (Intelligent agent) chương trình kiến thức tản dùng để thể công việc cụ thể cho cá nhân, tiến trình chương trình khác Hệ chuyên gia (Expert Systems) a Tổng...
Ngày tải lên: 23/01/2013, 11:06
Multi-Carrier and Spread Spectrum Systems
... systems, in public and private environments, operators are offering wireless services using WLANs in selected Table Main parameters of 2G and 3G mobile radio systems Parameter 2G systems 3G systems ... communications, guidance systems, and experimental anti-multipath systems [39][43] Spread Spectrum Techniques 31 Table 1-2 Broadcasting standards DAB and DVB-T Parameter DAB DVB-T Bandwidth 1.5 MHz ... worldwide wireless access system is and will continue to be characterized by a heterogeneous multitude of standards and systems This plethora of wireless communication systems is not limited to...
Ngày tải lên: 02/03/2013, 16:58
3D Videocommunication Algorithms concepts and real time systems in human centred communication
... Contents List of Contributors xiii Symbols xix Abbreviations xxi Introduction Oliver Schreer, Peter Kauff and Thomas Sikora Section I History of Telepresence Wijnand A IJsselsteijn 1.1 1.2 1.3 ... matrix Image plane of l = left and r = right camera Corresponding 2D points Skew-symmetric matrix of vector t Essential matrix Fundamental matrix Two corresponding epipolar lines SYMBOLS xx el ... mechanical systems Maximum likelihood Mobile mixed reality Minimum mean-square error Modified normalized cross-correlation Main profile Moving Pictures Expert Group Main profile of MPEG-standard Mixed...
Ngày tải lên: 12/05/2013, 10:21
Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems
... Water and Environment Technology, Vol 8, No.4, 2010 J of Water and Waste, 50(7), 587-593 Wen X. , Jia Y., and Li J., (2009) Degradation of Tetracycline and Oxytetracycline by Crude Lignin Peroxidase ... and Environment Technology, Vol 8, No.4, 2010 Many studies have been conducted on the physicochemical or biochemical removal of PPCPs in environmental water systems and wastewater treatment systems ... growth These results suggest substrate selection by bacteria in water systems and that not all bacteria growing in water systems with tetracycline can degrade this antibiotic 1000 100 10 1 10...
Ngày tải lên: 05/09/2013, 10:15
TrueNet® Certified Cabling System Product and System PERFORMANCE WARRANTY
Ngày tải lên: 16/10/2013, 13:15
Honors Physics Name: Unit IX (Electrostatics) Makeup Exam and Unit X ...
... Honors Physics Unit IX (Electrostatics) Makeup Exam and Unit X (Circuits) Quiz Name: Period: 2. The diagram to the right depicts the +25 V, 0 V, –25 V, and –50 V equipotentials in ... heads) on the diagram at left. Let six field lines leave each of the positive charges. Honors Physics Unit IX (Electrostatics) Makeup Exam and Unit X (Circuits) Quiz Name: Period: 3. ... four points is the electric potential lowest? Circle one and explain. a b c d iii. At which of these points is the magnitude of the electric field highest? Circle one and explain. a b c d c. On the diagram above, draw in your best approximation of the...
Ngày tải lên: 18/10/2013, 14:15
Managing Information Risk and the Economics of Security
... broadly examines security economics and public policy, including information asymmetries and breach notification, externalities and the costs of malware, liability and software patching, and the ... risk and the economics of managing security is a concern of private-sector executives, public policy makers, and citizens In this introductory chapter, we examine the nature of information risk and ... nonbanks in the payment systems In an earlier paper (ECB, FRBKC 2007a), we took a first step in documenting and analysing the role of nonbanks in European and U.S retail payment systems We found that...
Ngày tải lên: 18/10/2013, 17:15
User and System Ministration
... add a name and a description For example sales and "The sales people" 4 Now click Add and then apply the changes Only a-z, A-Z, and 0-9 are supported in the group name _ (underscores) and spaces ... settings from an existing machine on your network For example, to find out what your DNS settings are in Windows XP, Windows Server 2003, and Vista, click on Start then Run and type cmd and press ENTER ... your network For example, to find out what your default gateway is in Windows XP, Windows Server 2003, and Vista, click on Start then Run and type cmd and press ENTER A command prompt will appear...
Ngày tải lên: 19/10/2013, 01:20
Managing Sport Facilities and Major Events
... (services and short-term objectives) and outcomes (impacts and long-term aims) into the environment This is known as systems theory, and is increasingly being used to understand the many complexities ... facilities and running sport events 29 complex decision making and time-consuming communications that demand a full understanding of each partner’s expectations Fortunately, in the case of Sport England, ... provide a context for the establishment and organisation of participative and spectator events, for community and elite events, and for profit and non-profit events These events can be and are hosted...
Ngày tải lên: 23/10/2013, 15:15
Introduction to RF Equipment and System Design
... could be, for example, a receiver (RX), a transmitter (TX), or a spectrum analyzer Finally, when the designer has a bundle of RXs and TXs, he or she can configure an entire RF system, which might ... that components and circuit design aspects are covered elsewhere Here, the focus is on the design and analysis of complete pieces of equipment (e.g., RXs and, to a larger extent, systems such as ... of Systems Engineers,” IEEE Aerospace and Electronic Systems Magazine, Vol 15, No 10, October 2000, pp 3–10 [2] Punnet, M., “The Building of the Telstar Antennas and Radomes,” IEEE Antennas and...
Ngày tải lên: 05/11/2013, 12:15