the design and implementation of public works programs
The Design and Implementation of a Log-Structured File System
... clean. The policy rates each segmentaccording to the benefit of cleaning the segment and the cost of cleaning the segment and chooses the segments with the highest ratio of benefit to cost. The benefit ... shows the relative importance of the variouskinds of data written to disk, both in terms of how much of the live blocks they occupy on disk and in terms of howmuch of the data written to the ... sequen-tially, then writes 100 Mbytes randomly to the existing file, thenreads 100 Mbytes randomly from the file, and finally reads the filesequentially again. The bandwidth of each of the five phases...
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The Design and Implementation of a Sequence Database System * docx
... difference between the 24-h?ur moving average of the high price of Stockl, and the high price of Stock2 at the most recent hour when the volume of Stock2 traded was greater than 25,000. The answer ... to the presence of more operators on the query execution path), the cost of the materialized execution grows dramatically with the complexity of the query expression. 4 Combining Sequences and ... Figures 4.5, and 6 show the results for the sequences of car- dinality IOOK, IOK and 1K respectively. In all the graphs, the number of fields in each record varies along the X-axis, while the runtime...
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the design and implementation of geographic information systems
... to15percent of his time over the period, 5 to10 percent of the time of fourother members of a steering committee, and less than 5 percent for the other members of the committee. At around the time of the ... well-designedenterprise GIS. The process of design and implementation of an enterprise GIS is complex and can take up to a year or more depending on the size of the organization and the amount of ... thansoftware .The triad in the center of Figure 1.1 of applications/data/software repre-sents the core of the information system. Ideally, it should work regardless of who the people are (if the...
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Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters
... faster roll-off of gain in the transition band. The stopband is chosen by the design specifications.Generally, the smaller dp and dsare, and the narrower the transition band, the morecomplicated ... small percentage of the 214 DESIGN AND IMPLEMENTATION OF FIR FILTERS5 Design and Implementation of FIR FiltersA filter is a system that is designed to alter the spectral content of input signals ... width and the relative sidelobe level. To ensure a fasttransition from the passband to the stopband, the window should have a small mainlobewidth. On the other hand, to reduce the passband and...
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Design and Implementation of a Three-Phase Induction Motor Control Scheme
... obtain the positional angle of the rotor flux we require, firstly, an encoder connected on the shaft of the rotor; this is used to detect the position of the rotor (with the assistance of software). ... radius of the cylindrical stator. Therefore, the resultant torque applied by the rotor is proportional to the relative speed of the magnetic field with respect to the speed of the rotor. 4.2 The ... varies the frequency and voltage of the signal applied to the windings of the induction motor, while controlling the flux created in the air-gap of the induction motor. This will be shown in the...
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Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters
... decreas-ing in both the passband and the stopband. The Butterworth filter has a completely flatmagnitude response over the passband and the stopband. It is often referred to as the `maximally flat' ... 1000); The magnitude and phase responses of the designed bandpass filter are shown inFigure 6.19.272 DESIGN AND IMPLEMENTATION OF IIR FILTERSfilter designed in Section 6.7.1. We rearranged the ... 0:5zÀ1: The pole locations of the direct-form HHz are z 0:18 and z 0:695, and the pole locations of the cascade form HHHz are z 0:375 and z 0:5. Therefore the poles of cascade...
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Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc
... 2Chicago 1 Fairness and Friendliness50 TCP flows and 4 UDT flows between SARA and StarLightRealtime snapshot of the throughput The 4 UDT flows have similar performance and leave enough ... high bandwidth-delay product networks.pRTTS23 Outline•TCP’s inefficiency in grid applications•UDT• Design issues•Implementations issues•Conclusion and future work TCP and AIMD•TCP ... independent of BDP•Satisfies max-min fairness if all the flows have the same end-to-end link capacity–Otherwise, any flow will obtain at least half of its fair share•Does not take more bandwidth...
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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc
... hold the CPU for excessiveperiods of time. The negative values next to the end times of supplier and consumer show the number of secs the dead-lines were missed. In other words, consumer held the ... priority, and event correlation. Thispaper describes the design and performance of an object-oriented, real-time implementation of the CORBA Event Ser-vice that is designed to meet these requirements.This ... compromise the predictability and performance of our real-time systems. This section briefly discusses each of the issues and how our systems address the potential problems.7.1 The Cost of Dynamic...
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Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx
... the details of the implementation of this model. OVERVIEW OF THE PROBLSM One of the well-known characteristic features of natural languages is the size and the complexity of their lexicons. ... to a list of two lexemes. One of them contains all the general properties of the verb etre, the other one the information corresponding to the auxiliary reading of etre. As for the second ... follow' Figure i: Structure of the lexicon 150 This rapid and necessarily incomplete overview of the organization of the lexicon and the role of morphology in theoretical and computational linguistics...
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API - 2510A - Fire-Protection Considerations for the Design and Operation of Liquefied Petroleum Gas (LPG) Storage Facilities
... overheating and loss of strength (see Figure 1).b. The surface area of the vessel that may be exposed to Þreis the surface area of the vessel above the level of the liquidcontents at the vesselÕs ... determination of the distance between the vessel and the center of the pool Þre at which the maximum incident heatßux to the vessel shell surface will be at the critical value of 7000 British thermal ... 1.1.1 This publication addresses the design, operation, and maintenance of LPG storage facilities from the standpoints of prevention and control of releases, Þre protection design, and Þre-control...
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iec 61131-8 programmable controllers - guidelines for the application and implementation of programming languages
... elements, typically programs (2.5.3 of IEC 61131-3). The interfacesamong the programs, and between the programs and the external interfaces of the system,are defined, and the functionality allocated ... library; and to defer the definition of the bodies of these program organization units until a subsequent stage in the design or implementation process. The PSE should support the management of the ... features and functionality of aprogrammable control system visible to the user, and is often the primary basis for the user’sopinion of the system. Therefore, the development of the user interface...
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báo cáo hóa học: " The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements" docx
... signal is generated by the unfused mechani-cal activities of motor units. The bulk movement of the muscle and asynchronous activation of fibers at the initi-ation and end of contraction creates ... Figure 2 shows anexample of the low-frequency (MMG) and high-fre-quency components of the microphone signal duringmuscle contraction and sensor movement. The RMS of the high-frequency signal, ... emulation, and the dwell func-tion (250 ms) of the head tracker for emulation of amouse click.Participants were instrumented with an MMG sensor[29] attached to the frontal belly of the occipitofrontalismuscle...
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- what drives the implementation of diversity management programs
- the structure and implementation of computer programs
- studying the implementation of public programs
- support the design and development of an information system
- on the design and development of program families
- the design and development of
- the design and development of pegfilgrastim pegrmethugcsf neulasta
- the design and development of pegfilgrastim
- the design and development of a solar powered refrigerator
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