design and implementation of a computer based inventory control system for a pharmaceutical store
The Design and Implementation of a Log-Structured File System
... separate data area is reserved for this purpose.The separate data area of these database systems meansthat they do not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space. ... The bandwidth of each of the five phases isshown separately. Sprite LFS has a higher write bandwidth and the same read bandwidth as SunOS with the exception of sequen-tial reading of a file that ... under grant CCR-8900029, and in partby the National Aeronautics and Space Administration and theDefense Advanced Research Projects Agency under contractNAG2-591.This paper will appear in the...
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Design and Implementation of a Three-Phase Induction Motor Control Scheme
... where all parameters, processes and variables are modelled mathematically. Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner. ... This is a program that allows the user to create mathematical blocks with inputs and outputs; highly suited to designing a control system of this nature. A proper explanation of MATLAB is beyond ... Based on the MATLAB analysis, we get an adequate transient response from this. Also, the transient response does not feature rapid, sharp transients of any kind. It seems to be a reliable and...
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Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc
... copy avoidanceãOverlapped IOãData scattering/gatheringãSpeculation of next packetProtocol Buffer Protocol BufferUser BufferDataNew Data Experiences in Design and Implementation of a ... the flows have the same end-to-end link capacity–Otherwise, any flow will obtain at least half of its fair shareãDoes not take more bandwidth than concurrent TCP flow as long as 6/10822⋅≤⋅SYNLRTT ... optimizationãTheoretical work UDT: Efficiency and Fairness CharacteristicsãTakes 7.5 seconds to reach 90% of the link capacity, independent of BDPãSatisfies max-min fairness if all the...
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Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx
... specifications and the implementation of a particular concept of word -based lexicon to be used for large natural language processing systems such as machine translation systems, and compares ... facilitates memorization. 152 DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE Eric Wehrli Department of Linguistics U.C.L .A. 405 Hilgard Ave, Los Angeles, CA 90024 ABSTRACT This paper ... For instance, a translation system or any other type of natural language processing program that must be able to handle very large amounts of text necessitates dictionaries of substantial size,...
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The Design and Implementation of a Sequence Database System * docx
... object-relational database system Illustra [I11941 provides database support for time-series data along with relational data. A time-series is an ADT(Abstract Data Type) value implemented a& amp; a large ... the system. Catalog Management: Each E-ADT can provide catalogs that maintain statistics and store schema information. Further, certain values may be named. Query Language: An E-ADT can ... is a component) supports relational data as well as sequence data, using a novel design paradigm of enhanced abstract data types (B- ADTs ). The system implementation based on this paradigm allows...
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Báo cáo hóa học: " Advancing donor management research: design and implementation of a large, randomized, placebo-controlled trial" pot
... 1:20http://www.annalsofintensivecare.com/content/1/1/20Page 7 of 9 RESEARCH Open AccessAdvancing donor management research: design and implementation of a large, randomized,placebo-controlled trialLorraine B Ware1*, Tatsuki Koyama2, Dean ... shortage of organs for transplantation [1] and a plateau in the number of organ donors has been noted. Thus, new strategies toimprove the quality of donated organs and rates of organ utilization ... study and placebo groups. Randomization is con-ducted by the UCSF Investigational Pharmacy. TheInvestigational Pharmacy prepares study drug and pla-cebo in identical vials that are randomly assigned...
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Báo cáo hóa học: " Research Article Design and Implementation of a Lightweight Security Model to Prevent IEEE 802.11 Wireless DoS Attacks" pdf
... pagesdoi:10.1155/2011/105675Research Ar ticle Design and Implementation of a Lightweight Secur ity Model toPrevent IEEE 802.11 Wireless DoS AttacksMina Malekzadeh, Abdul Azim Abdul Ghani, and Shamala SubramaniamFaculty of ... except for the unicast data and management frames that are transmitted in the normaldata rates, the other frames including multicast, broadcast, and control frames are transmitted in the basic ... (s)Delay(s)(b)Figure 12: Impact of synchronization attack on delay: (a) for thedisabled handshake and (b) for the enabled handshake.without any mistake. Hence, successful acceptance of the allvalid...
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Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf
... thatenables energy harvesting emulation. 10 EURASIP Journal on Wireless Communications and Networking3B453B41 3A1 3A3 1 3A4 3A7 3A1 1 3A1 4 3A1 8 3A2 2 3A2 6 3A2 8 3A1 0 3A2 0 3A2 1 3A1 9 3A1 5 3A8 3A2 3A1 6 3A9 ... implement an API, so any existing application can beevaluated. We have evaluated a retail application but it ispossible and desirable to evaluate other application domainslike agricultural machinery, ... level of flexibility in the simulationenvironment. Castalia [10] was created out of the need tohave a simulator designed for WSN research. It has advanced and accurate radio and wireless channel...
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báo cáo hóa học:" Research Article Design and Implementation of a Testbed for IEEE 802.15.4 (Zigbee) Performance Measurements" doc
... created for each trial.AsecondJavaprogram(Analyze.java) was developedto analyze the saved files containing the received packets.Since the transmitted data is known, this program can easilycalculate ... radio’scalculation of the RSSI for that particular packet. All of thesepackets are picked up by BaseStation.java listening on theUSB port and it saves each consecutive packet in a file for future analysis. A ... commonly known as ZigBee, is a Media Access Control (MAC) and physical layer standard specifically designed for short range wireless communication where low rate, low power, and low bandwidth are required....
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báo cáo hóa học:" Research Article Design and Implementation of a Single-Frequency Mesh Network Using OpenAirInterface" docx
... interface [1]. The OpenAirInterfacecan also be used to perform channel measurements whichcan be used for channel characterization and capacityanalysis [2].Apart from a general overview of OpenAirInterface,in ... Scalarsare denoted by x. Column vectors and matrices are denotedby a and A and their elements are denoted by a i and A i,jrespectively. Transpose and Hermitian transpose are denotedby·T and ... transmit/receiveantennas. The media access (MAC) layer of the platform supports an abundant two-way signaling for enabling collaboration,scheduling protocols, as well as traffic and channel measurements....
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Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters
... can specify therelative importance of each band. For example, there would be less ripples in the pass-band than in the stopband. A variety of software packages are commercially availablethat ... theideal lowpass filter that is non-causal and hence not physically realizable. Instead wemust compromise and accept a more gradual cutoff between passband and stopband, aswell as specify a transition ... the passband to the stopband, the window should have a small mainlobewidth. On the other hand, to reduce the passband and stopband ripples, the area under208 DESIGN AND IMPLEMENTATION OF FIR...
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Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters
... structures are direct, parallel, and cascade forms. The cascade forms are most often employed in practical applications for the reasons concerning quantization effects and DSP implementation. These ... The passband ripple is less than 3 dB and the stopbandattenuation is at least 30 dB by 50 Hz out on both sides of the passband.The MATLAB script (exam6_13.m in the software package) for designing ... a, Fs)where bz and az are the numerator and denominator coefficients of a digital filter, Fs isthe sampling rate, and b and a represent coefficients of the analog filter.6.3.3 Bilinear TransformAs...
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the design and implementation of geographic information systems
... nonredundant master data table of addresses.◆Database integrity is maximized. When people start using information and modifying data in databases, what was once clean and accurate data has a way of getting ... DescriptionWetlands Boundary of an area designated as a wetland by a regulating agencyWalls Stone walls, barbed wire fences,retaining walls, etc.Zoning Boundaries of zoning areasRecreational areas Athletic ... information system. As a result, there is a lot of duplication and confusion about whatan address is and how to store it.An enterprise GIS for a local govern-ment may have standards and a nonredundant...
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