an adaptive controller design for flexible
Báo cáo hóa học: " Research Article An Adaptive Channel Model for VBLAST in Vehicular Networks" doc
... American Society for Testing and Materials (ASTM),http://www.astm.org/.[17]J.Maurer,T.F¨ugen, and W. Wiesbeck, “Narrow-bandmeasurement and analysis of the inter-vehicle transmissionchannel ... however, willnot change and, therefore, the MSE comparison will stillhold.Figure 7 shows the BER performance of QPSK for variousrelative vehicle speeds. As can be seen, the performanceimproves ... total SNR if all transmittingantennas transmit the same symbol. We set β and ρjequal to1/p in (22)sinceweassumeequalaveragetransmit(receive)power for each transmit (receive) antenna. The kjparametersare...
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Báo cáo hóa học: " Research Article Design and Performance Evaluation of an Adaptive Resource Management Framework for Distributed Real-Time and Embedded Systems" pptx
... pagesdoi:10.1155/2008/250895Research Article Design and Performance Evaluation of an Adaptive Resource Management Framework for Distributed Real-Time and Embedded SystemsNishanth Shankaran,1Nilabja Roy,1Douglas ... resourcemanagement algorithms and middleware platforms and im-prove flexibility.(iii) Design of a framework determines its performance andapplicability. The design of key modules and entities ... multisatellite missions [7];and intelligence, surveillance, and reconnaissance missions[8].Specifying and enforcing end-to-end QoS is an impor-tant and challenging issue for open systems DRE due...
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Báo cáo khoa học: "A Revised Design for an Understanding Machine" doc
... importance. And for mechanical translation, if we really want fully automatic, high quality translation, I can see no other choice. Received March 1, 1962 29 anything which he would want ... natural language words have more than one meaning, be- tween which any translating mechanism must con- stantly decide. The resolution of a polysemantic ambiguity, by whatever method of translation, ... of meaning, and defining all words in terms of lower level meanings, should allow us to trace meaning up and down at least as reliably as this can be done in any human's understanding....
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Measuring the Statutory and Regulatory Constraints on DoD Acquisition - Research Design for an Empirical Study potx
... much and constitute an expense that the program office can avoid. CCDRs require the contractor to report data in a standardized format different from the one they use for internal reporting and management ... of the many anecdotes from program manag-ers about how burdensome some statutes and regulations are, and how that burden translates into adverse consequences for program outcomes. RAND approached ... information about RAND is available at www.rand.org.Summary xiiithe benefits in the form of performance enhancements through interoperability. Joint programs tend to be more difficult to manage,...
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Báo cáo hóa học: "An improved adaptive gain equalizer for noise reduction with low speech distortion" pptx
... (hv=3)after20 s. It can be seen that the performance of the proposedalgorithm is similar to that of the original SBA.Thus, by using an update controller, the noise-levelestimation performance is improved. ... was used. For detailed information about polyphasefilterbanks, the reader is referred to [9,10] and the refer-ences therein.4 Simulation setupTo compare the performance of the SBA and the pro-posed ... audible difference.In Figure 3, the subband gain g1,k( n)inonesubband(k = 1) and the corresponding level estimates Ak(n)andBk(n) are shown for an input signal containing only noise(hv=...
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Báo cáo hóa học: "Adaptive QoS provision for IEEE 802.16e BWA networks based on cross-layer design" ppt
... Mathematical analysisIn this section, we perform mathematical analysis for the PA from following viewpoin ts: connection-level QoSperformance, queuing performance, and BR efficiencyenhancement.4.1 ... packet-level QoS performance andresource efficiency for uplink transmission.e) Performing adaptive QoS management to increaseor decrease the average source rate based on load statusand channel conditions, ... Queuing performance analysisIn this section, we analyze the queuing performance for the network under the saturated status, in which all theavailable bandwidths are used up to guarantee allongoing...
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Báo cáo hóa học: "Research Article Design of an Omnidirectional Multibeam Transmitter for High-Speed Indoor Wireless Communications" doc
... modeling for w ireless infrared channels,” IEEE Transactions on Antennasand Propagation, vol. 50, no. 5, pp. 759–765, 2002.[40] J L. Tang, P. C. Jui, and S. C. Wang, “Simulation and design ofomni-directional ... Djahani and Kahn [13, 22]haveusedmultibeam(quasidiffusive) transmitters and imaging diversity receiversto improve the link performance for both LOS and non-LOS IR links. The link performance ... from thetransmitter without any significant time delay and powervariation.Assuming that the detected signal power is constantand uniform (almost no power variation can be measured)in any location...
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Báo cáo hóa học: "Research Article An Adaptive Multipath Mitigation Filter for GNSS Applications" pptx
... utilized.4. PERFORMANCE ANALYSIS ANDSIMULATION RESULTSIn this section, computer simulations are conducted to assessthe performance of the proposed method. To make an easycomparison in performance with ... structure and performance charac-teristics,” Journal of the Institute of Navigation, vol. 25, no. 2,pp. 121–146, 1978.[3] A. J. van Dierendonck, P. J. Fenton, and T. J. Ford, “Theory andperformance ... Article An Adaptive Multipath Mitigation Filter for GNSS ApplicationsChung-Liang Chang and Jyh-Ching JuangDepartment of Electrical Engineering, National Cheng Kung University, Tainan 70101, TaiwanCorrespondence...
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Báo cáo hóa học: " Research Article An Adaptive Channel Interpolator Based on Kalman Filter for LTE Uplink in High Doppler Spread Environments" docx
... values for various scenarios is essential.The performance of the proposed approach directlyrelated to Kalman filter performance. Specifically for morethan one user case Kalman performance will ... transceiver system model.Channel bandwidth [5 MHz − M = 512 IFFT size]Transmission bandwidth [9 RB−N = 108 DFT size]Transmission bandwidth configuration [25 RB= 25 ×12 subcarriers]Guard bandActive ... comparative analysis, the MSE performanceof the method proposed is also investigated in Figure 9.Inconjunction with BER performances, as can be seen in bothFigures 8 and 9, drastic drops in the performance...
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Báo cáo hóa học: "Research Article WING/WORLD: An Open Experimental Toolkit for the Design and Deployment of IEEE " ppt
... platform suitable for real-world deployments in terms of both maintenancecosts and expected performances. Moreover, no cross com-pilation is required and standard development tools andOSes can ... ArticleWING/WORLD: An Open Experimental Toolkit for the Design and Deployment of IEEE 802.11-Based WirelessMesh Networks TestbedsFabrizio Granelli,1Roberto Riggio,2Tinku Rasheed,2and Daniele Miorandi21DISI—University ... 802.11commodity devices) and open software modules. It is basedon an “open” philosophy and aims at providing the scientificcommunity with a suitable tool for performance analysisof WMNs that can be easily...
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Designing & evaluating an English reading test for the non-majors of Civil Engineering at Haiphong private university
... 1970s thanks to Hyme’s theory of communicative competence (an understanding of language and the ability to use language in context, particularly in terms of the social demand of performance, ... performance and accords with what is known about that performance, the more likely it is to have content validity and construct validity. Thus, for Kelly (1978: 8) content validity seems an ... agree that language tests play many important roles in life. Firstly the moment one does a test can be considered an important transitional moment in his life, for example, a pupil wishing to...
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- design for injection molding
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- adaptive control design for uncertain
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