phase ii trials using time to event endpoints
Design and analysis of object allocation and replication algorithms in distributed databases for stationary and mobile computing systems
... real -time transactions in a RTDDBS In [51], a “Two -Phase Approach” was provided to schedule the transactions predicably in a real -time system The first phase is to gather needed information to make ... due to geographic separation Using a single point control to coordinate and store all the required data for such systems will be highly inefficient For instance, users may undergo long waiting times ... modify the DWM algorithm to a new object allocation and replication algorithm, referred to as Real -time Decentralized Dynamic Window Mechanism (RDDWM) algorithm, to take into account the hard deadline...
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Design and analysis of object replacement policies on dynamic data allocation and replication algorithm with buffer constraints
... work I want to deliver my sincere esteem to his rigorous research style, which led me to a correct research attitude I am also very grateful to my supervisor for his help during the time I were ... capacity to hold the copies of the object When the available buffer space in a site is not enough to store a new copy of an object, the decision has to be made by each processor, for example, to evict ... order to gain a minimum total cost of service, this processor needs to save the copy of the object of such requests in its local database Then object replacement strategies need to be invoked to...
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Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc
... is further divided into m access minislots, whereas the CFP is devoted to collision-free data packet transmissions; (ii) from BAN coordinator to body sensors (downlink) using the feedback frame, ... to 15/16 of the time when nothing is transmitted/received, while still allowing the transceiver to be synchronized to the network and able to transmit or receive a packet at any time [19] The beacon ... star-based topology with several nodes and a network coordinator, following DQRAP original description [17], the time axis is divided into an “access subslot” that is further divided into access...
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Báo cáo hóa học: " Design and Analysis of Nanotube-Based Memory Cells" ppt
... possible to deposit the electrode by molecular beam epitaxy techniques Using such techniques, the gold atoms will tend to bond with the carbon atoms at the outside surface of the nanotube, preventing ... However, deflection due to such interaction would tend to reduce the dynamics of the inner nanotube, leading to some additional damping Consequently, the device is easier to control with slightly ... oscillators In the mesh-free particle model, the major issue is how to calculate interaction between particles at different layers in an MWNT to approximate molecular-level interlayer interaction To...
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Báo cáo hóa học: " Research Article Design and Analysis of the First BOWS Contest" potx
... second phase of the contest are shown 3.3 First phase versus second phase This section is devoted to the comparison between the results obtained during the two phases of the contest, to try to understand ... and asking to the detector to check whether the extracted content was equal to the original one No redundancy was introduced in this step, since we decided to apply all the protection to the individual ... order to allow the attackers to carry out also sensitivity attacks [6–8] (actually, the limit was not removed, but fixed to a value equal to 5000 attacks/day) Thanks to this modification and to the...
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Báo cáo hóa học: " Cross-Layer Design and Analysis of Downlink Communications in Cellular CDMA Systems" docx
... arrival time Ordered by adaptive priority Output to BS1 after prioritizing Handoff requests to BS1 Handoff requests to BS2 Handoff requests to BSn Output to BS2 after prioritizing Output to ... it into QV in the order of arrival time Yes No Put it into QV in the order of arrival time For each existing packet, buffering delay == 0? Put it into queue “normal” in the order of arrival time ... replacement hysteresis, and time to trigger, respectively CPICH is the abbreviation of common pilot channel The events, together with the hysteresis mechanism and time to trigger mechanism are discussed...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 2 ppt
... its time complexity: It was to reduce time in which we developed more complex protocols How about the time costs of this simple new protocol? The ideal time of Shout+ is exactly d + The ideal time ... number of initiators and on the unique-initiator protocol used Consider a protocol developed using this approach, using Shout+ as the basic tool Informally, an entity u, at any time, participates ... with a single-initiator protocol and to use 66 BASIC PROBLEMS AND PROTOCOLS the ids of the initiators to distinguish among different constructions So, instead of cooperating to construct a single...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 4 docx
... such a topology is very expensive Let us examine how to exploit such very powerful features to design an efficient election protocol 3.6.1 Stages and Territory To develop an efficient protocol for ... and its level To transform A so that it is rooted in the new downtown is fortunately simple In fact, it is sufficient to logically direct toward B the link connecting a to b and to “flip” the logical ... we obtain the total number of messages exchanged in total by protocol Mega-Merger during all its levels of execution To these, we need to add the n − messages because of the downtown of the megacity...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 6 potx
... How many messages need to be sent anyway? we would like the answer to be independent of the protocol but to take into account both the topology of the network and the storage requirements The ... a full selection protocol, we will first reduce the search space from min{n, ⌬} log ⌬ to O(n) (e.g using Protocol Filter) and then use a protocol for small sets (e.g Rank) to determine the sought ... in one time unit to its neighbor, the time required by all the merge operations is exactly the same as the number of iterations In contrast to this, to determine termination, we need to compute...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 7 docx
... 1) Time( C, I ) time, where Bit(C, I ) and Time( C, I ) are the bit and time costs, respectively of communicating information I using C For example, using protocol TwoBits, x can communicate I to ... and the communicator is TwoBits, the total number of bits is = 2(p − 1) The receiver x4 receives “Start-Counting” at time and the “Stop-Counting” at time i + 3; hence the total time is I + = I ... At time t + it receives the “StartCounting” signal from x1 and sends it to x3 Its goal is to communicate to x3 the largest of I1 and I2 ; to so, it must send the “Stop-Counting” signal to x3...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 8 doc
... entity x is supposed to send (according to the protocol) to a neighbor y but never arrives This fault could have been caused by x failing to execute the “send” operation in the protocol: an execution ... system collapses, no protocol can be correct Hence, the goal is to design protocols that are able to withstand up to a certain amount of faults of a given type Another fact to consider is that not ... the events being generated during an execution of the solution protocol P An entity reacts to external events by executing the actions prescribed by the protocol P Some actions can generate events...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 9 pdf
... are able to tolerate is quite small Still, using a simpler mechanism than that for additions and corruptions, we are able to achieve consensus, albeit tolerating fewer faults Indeed, to broadcast, ... suspects(z) after time t , x does not add y to output(x) after time t Thus, there is a time after which x does not suspect y in outputr Answer to Exercise 7.10.30 Assume, to the contrary, that ... only one will be able to complete the tour of the core) costing possibly O(n) transmissions, for a total of O(kn) messages A better strategy would be to integrate into the protocol a leader-election...
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DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 10 docx
... the token to it using the routing protocol; as we are assuming that the routing protocol is correct, this message will be delivered to x1 within finite time Notice that when x1 receives the token, ... initiators consider the strategy to integrate into the solution an election process among the initiators Design a protocol for the OR-request model to implement efficiently this strategy; its total ... initiators consider the strategy to integrate into the solution an election process among the initiators Design a protocol for the p-OF-q request model to implement efficiently this strategy; its total...
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design and analysis of high-frequency matrix converters for induction heating
... Background to matrix converter technology 75 2.4.3 Single -phase AC-AC converters .78 2.4.4 Three -phase to single -phase matrix converters .81 2.4.5 Three -phase to three -phase matrix ... poor power factors and large harmonic distortion exist due to the very small ratio of supply current to short-circuit current This can be improved by using additional line inductors to increase ... are still produced today [1.4] and the use of motor-generator based systems are still employed in a minority of systems The use of motor-generator sets and valve-based generators do, however,...
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Design and Analysis of Computer Algorithms
... and each takes O(q) time to compute, thus the total time to multiply these two matrices is proportional to the product of the dimensions, pqr A * B q = C = p Multiplication time = pqr p r q r ... We want to break the problem into subproblems, whose solutions can be combined to solve the global problem As is common to any DP solution, we need to find some way to break the problem into smaller ... it only performs a single left -to- right scan of the list L (You are allowed to use up to O(n) working storage to this.) Recurrences: Another useful mathematical tool in algorithm analysis will...
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Design and analysis of rectifying circuits and antennas for wireless power transmission and ambient RF energy harvesting
... RF -to- DC PCE over variable power levels are required To meet this requirement, the second aim of this research work is to design a new rectification circuit which is able to perform high RF -to- DC ... produced a novel rectenna using thin-film printed circuits [14] The ratio of the output power to the weight was further enhanced by W C Brown using Kapton film in 1987 [15] At that time, although the ... considered to be a proper frequency for power transmission between space -to- ground, ground -to- space, and ground -to- ground [16] On the other hand, the operating frequency could be high for the space -to- space...
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Design and analysis of computer experiments for stochastic systems
... application with stochastic simulation response Barton (1992) and Barton (1998) further discussed the possibility that applying kriging metamodel in stochastic simulation model For the stochastic simulation ... characteristics of the likelihood function Unlike the stochastic kriging model, we propose to use the numerical bootstrapping mehtod to estimate the kriging predictor’s variance We 34 3.2 Kriging Model with ... these years To be specified, stochastic computer experiments can be divided into two different scenarios: homoscedastic case and heteroscedastic case The homoscedastic case refers to the situation...
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Design and analysis of ultra wide band and millimeter wave antennas
... (b) top-square plate 26 vii viii 2.12 Variation of the size of the top-plate of the proposed antennas shown in Figure 2.10: (a) top-circle plate; (b) top-square plate 27 2.13 ... Equivalent Circuit (resistor in Ω, inductor in H, capacitor in F ) 88 3.2 Netlist of UWB Antenna Equivalent Circuit (resistor in Ω, inductor in H, capacitor in F ) ... in Time Domain In addition to good impedance matching and radiation pattern, UWB antennas still require a minimum distortion of the time response waveform So it is necessary to perform a time- domain...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25