Báo cáo hóa học: "Performance Analysis of the Blind Minimum Output Variance Estimator for Carrier Frequency Offset in " pot

... Signal ProcessingVolume 2006, Article ID 49257, Pages 1–8DOI 10.1155/ASP/2006/49257Performance Analysis of the Blind Minimum Output Variance Estimator for Carrier Frequency Offset in OFDM SystemsFeng ... CONCLUSION In this paper, we have examined the performance of the min-imum output variance (MOV) estimator in OFDM systems. The variance and the expectation of the output magnitudehave been derived for ... guarantee the system performance. In this paper, we examine the perfor-mance of a blind minimum output variance (MOV) estimator. Based on the derived probability density function (PDF) of the output...

Báo cáo hóa học: " Performance analysis of distributed ZF beamforming in the presence of CFO" pptx

... CFOsand the impacts of CFO in coordinated schemes arehence worse than for point-to-point communications.Because the frequency offset translates into the possiblydestructive combination of the incoming ... distributed/coordinated beamforming, carrier frequency offset; residual carrier frequency offset, signal-to-noise ratio gain; zero-forcing precoder; diversity order1 IntroductionCoordinated transmissions, ... while placing the nulls in the direction of the non-targeted user. The computation of the beam-forming weights can be decomposed into two steps: nullbeamforming and maximal energy beamforming. Wefocus...

báo cáo hóa học:" Molecular analysis of the apoptotic effects of BPA in acute myeloid leukemia cells" potx

... contributing in performing the experimentsshown and in the conceptual understanding of the results.PB and LA critically discussed the experimental data andwrote the manuscript.Acknowledgements In ... the double treatment, showing an increase of the G1 peack at low dose BPA (30 μM) and an increase of the G2-M fraction of cells at the highest concentration of BPA (100 μM). Differently, in the ... that the contactor the assumption of BPA might increase the effects of aon-going treatment in humans, apart, of course, havingeffects on its own. Finally, the fact that BPA decreases the activity...

báo cáo hóa học: "Rasch analysis of the Multiple Sclerosis Impact Scale (MSIS-29)" pot

... provides further evidence for the internal validity of the physical and psychological impactscales of the MSIS-29, supporting their use in clinical andresearch settings as a measure of HRQoL to ... disordering. Norescoring was undertaken for the MSIS-29-PSYCH itemsdue to the relatively minor degree of disordering.Problems with the response format in this study may beinfluenced by the relatively ... 26).As the level of disorder revealed in the category probabil-ity curves for these items was relatively minor and modelfit was satisfactory, the original 5-point response formatwas retained.Individual...

Báo cáo hóa học: " Kinematic analysis of the daily activity of drinking from a glass in a population with cervical spinal cord injury" potx

... cycle of the drinkingtask was identified. The beginning of the cycle was the onset o f displacement of the marker on the head of the third metacarpal and the end of the cycle was the return of the ... pointingto the right. In the forearm, the origin was at the mid-point between both epicondyles of the elbow, the Y-axiswas formed by the line that joined the midpointbetween the radial and ... Test-retestinvolved recording the action of the drinking task andthen removing the markers. The entire procedure wasrepeated from the beginning fifteen minutes later.Data processing The reco rdings...

báo cáo hóa học: " Multivariate analysis of the Fugl-Meyer outcome measures assessing the effectiveness of GENTLE/S robot-mediated stroke therapy" potx

... Susan Coote for their roles in designing the clinical study and coordinating the clinical trial at the Adelaide & Meath Hospital, Dublin and for providing the Dublin data. The first author ... not for citation purposes) The ACB group during the three phases of the trialFigure 10 The ACB group during the three phases of the trial. Comparison between the three phases of the trial for the ... shows the amount of variation in the outcome, which is accounted for by the model. The value of 0.975 indicates that 97.5% of the variation seen in the outcome is accounted for by the model. The...

báo cáo hóa học:"Mutational analysis of the potential catalytic residues of the VV G1L metalloproteinase" docx

... together, these results suggest that altera-tions in the amino acid sequence of the putative active site of G1L as well as three of the four potential downstreamzinc-binding residues renders the ... however,since the C-terminal region of G1L was observed via silverstain in the context of a conditional mutant VV infection[26]. The role of both the full-length and cleaved products of VV G1L continue ... ubiquitin-like proteinase in yeast [10]. I7L is now recognized as the VV core protein proteinase and is at least one of the enti-ties responsible for initiating the morphogenic transfor-mation of...

Báo cáo hóa học: " Correlation analysis of the speech multiscale product for the open quotient estimation" doc

... multiplying them. The resulting MP signal presents negative peaks informing about the glottis closure, and positive ones informing about the glottis opening. Taking into account the shape of the speech ... especially at the beginningoftheframe.Wealsonotetheefficientroleoftheautocorrelation function to give a distinguishable m axi-mum indicating the average value of the fundamental frequency over ... and Ellouze [16] used the multiscaleproduct (MP) of the wavelet transform (WT) for detect-ing s ingularities in speech signal caused by the openingand the closing of the vocal folds. But no...

Báo cáo hóa học: " Performance analysis of spectrum sharing mechanisms in cognitive radio networks" pptx

... 1/μp,which is the same as the PU’s service time. Therefore, the total rate of a PU leaving the system only dependson Np(t). This implies that the number of PUs in the system is independent of the SUs’ ... is presented in Appendix B. The main purpose of deriving the steady-state probabil-ities is to evaluate the performance metrics in the jointleasing and sensing-based CRN.3. Performance metricsQoS ... krepre-sents the steady probability of state, in which Np(t)=iis the number of PUs in the system,Ns(t)=jis the number of SUs in the system, Ns(t)=k is the number of SUs in service....

Báo cáo hóa học: " Performance analysis of massively parallel embedded hardware architectures for retinal image processing" pot

... andtools for rapid profiling make the development muchfaster than in other platforms. This is one of the pur-poses of the platform, to offer a high-performancedevice keeping prototyping rapid ... obtaining a binary map. To ensure thatweareoutsideofthevesselslocation, some erosions areapplied. The final image contains the initial contours. The second task is to determine the guiding informa-tion, ... is the main reason why PC performance is so low: the selecteddevices are capable of doing all the processing on-chip,accessing to the external memory just for loading the input image. On the...

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