báo cáo hóa học:" Research Article Nonoscillation of First-Order Dynamic Equations with Several Delays" pdf
Báo cáo hóa học: " Research Article Systems of Quasilinear Parabolic Equations with Discontinuous Coefficients and Continuous Delays" docx
... this inequality with the use of Gronwallinequality. Then, v ≤ u inDT, and the proof of part i of the lemma is completed. The similarargument gives the proof of part ii of the lemma.Advances ... comments. The work was supported by the research fund of Department of Education of Sichuan Province 10ZC127 and the research fund of Sichuan College of EducationCJYKT09-024.References1 ... CorporationAdvances in Difference Equations Volume 2011, Article ID 925173, 25 pagesdoi:10.1155/2011/925173 Research Article Systems of Quasilinear Parabolic Equations with Discontinuous Coefficients...
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báo cáo hóa học:" Research Article Nonoscillation of First-Order Dynamic Equations with Several Delays" pdf
... pagesdoi:10.1155/2010/873459 Research Article Nonoscillation of First-Order Dynamic Equations with Several DelaysElena Braverman1and Bas¸ak Karpuz21Department of Mathematics and Statistics, University of Calgary, ... delay dynamic equations of firstorder,” Advances in Difference Equations, vol. 2008, Article ID 458687, 12 pages, 2008.10 H. A. Agwo, “On the oscillation of first order delay dynamic equations with ... and nonoscillation results on delay dynamic equations, and from now on, we will without further more mentioning suppose that the timescale T is unbounded from above because of the definition of...
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Báo cáo hóa học: "Research Article µ-Stability of Impulsive Neural Networks with Unbounded Time-Varying Delays and Continuously Distributed Delays" doc
... CorporationAdvances in Difference Equations Volume 2011, Article ID 437842, 12 pagesdoi:10.1155/2011/437842 Research Article µ-Stability of Impulsive Neural Networks with Unbounded Time-Varying Delays ... Hopfield, “Neurons with graded response have collective computational properties like those of two-state neurons,” Proceedings of the National Academy of Sciences of the United States of America, vol.81, ... bound of the derivative of time-varying delay and the delay kernels hj,j ∈Λ, and independent of the range of time-varying delay. Thus, it can be applied toimpulsive neural networks with unbounded...
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Báo cáo hóa học: " Research Article Selection of Nonstationary Dynamic Features for Obstructive Sleep Apnoea Detection in Children" doc
... examples of segments of 90-second length of the PPG envelope signals having labels: normal or apnoea,respectively.4.2. Estimation of Relevance Weights of Dynamic Features.Another aspect worthy of ... performs stochasticdimensionality reduction of the dynamic features in hand.Discussed methodology of relevance analysis benefits of the dynamic properties of the time-evolving spectral parame-ters, ... independent of the number of classes. In this concretecase, discussed methodology of training assesses the tuning of the used k-nn classifier by calculating its optimal number of neighbors in terms of...
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Báo cáo hóa học: "Research Article Reconstruction of Sensory Stimuli Encoded with Integrate-and-Fire Neurons with Random Thresholds" pptx
... analyticalevaluation of the entries of the matrix F is straightforward.4.2.2. Recovery of S2-Stimuli Encoded with a Population of LIF Neurons with Random Thresholds. Let u be a signal with absolutely ... asprojections of the stimulus u on a set of functions in the spaceSm.2.3. Encoding of Stimuli with a Population of LIF Neurons. Inthis section we briefly discuss the encoding of stimuli with a population ... recovery of stimuli encoded with a pair of rectifier neurons is presented.Section 4 generalizes the previous results to stimuli encoded with a population of LIF neurons. The paper concludes with Section...
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Báo cáo hóa học: " Research Article Assessment of Network Layouts for CDMA Radio Access" pdf
... the lowest SIR of −8.9 dB at theworst case point and lowest average SIR of −3.6 dB at thecell border. This is mainly due to high level of interferencecoming from the second tier of neighbours ... [11] published results of a 3-sector hexagonallayout (Figure 1(c)) with antenna beamwidth of 100–120degrees. The authors concluded that the frequency efficiencyimproves with smaller antenna beamwidth. ... pointbecause 75–90% of the failures involve a limitation of ULpower or coverage. The results of square layout show somedeviation from the other layouts due to higher proportion of UL (33%) and...
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Báo cáo hóa học: " Research Article Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels" ppt
... need to derive its pdf which is a function of the number of interfering users.The conditional pdf of the SINR, given that the number of interfering users is k for integer values of the Nakagamiparameter ... x>0.(17)Since users collide with probability phand the total number of users is K, the number of interfering users is a binomialrandom variable with parameters phand K.Hence,thepdf of the SINR is found ... (6), wdis the number of codewordswithoutputweightd obtained from the weightenumerator of the code [12].In FHSS systems, the PEP in (6) is a function of the distribution of the d nonzero bits...
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Báo cáo hóa học: " Research Article Comparison of Linear Prediction Models for Audio Signals" pdf
... 2008, Article ID 706935, 24 pagesdoi:10.1155/2008/706935 Research Article Comparison of Linear Prediction Models for Audio SignalsToon van Waterschoot and Marc MoonenDivision SCD, Department of ... when working with finite-length data windows.Whereas a sum of N sinusoids can be perfectly modeledusing an AR(2N) model, that is, an autoregressive or all-polemodel of order 2N,asumofN sinusoids ... modelbandwidth to the frequency region of interest. The influence of the signal frequency distribution on LP performancewas also recognized with the development of the so-calledfrequency-warped linear...
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Báo cáo hóa học: " Research Article Subclasses of Meromorphic Functions Associated with Convolution" ppt
... 1.6Motivated by the investigation of Shanmugam 2, Ravichandran 6, and Ali et al.7, 11, several subclasses of meromorphic functions defined by means of convolution with a given fixed meromorphic ... subset of the class Mqgh.Proof. The proof follows from the definition of the classes by taking f ϕ.Theorem 3.11. The function f ∈Mqgh if and only if −zf∈Mcgh.Proof. If f ... subclasses of M are defined by means of convolution andsubordination. Let g be a fixed function in M,andleth be a convex univalent function with positive real part in U and h01.Journal of Inequalities...
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Báo cáo hóa học: " Research Article Characteristics of MIMO-OFDM Channels in Indoor Environments" pdf
... oints each of which represents a correlation coefficientofeachpairofthe16 MIMO subchannels of a single OFDM subcarrier. Resultsfrom NLoS 2 and LoS 2 paths are shown in Figure 5.Thespread of points ... different rooms with no LoS,9m.Photographs of the laboratory, atrium, and lecture the-ater are shown in Figure 2,bywayofexample.3. DEFINITION OF MIMO-OFDM CHANNELAND CAPACITYThe MIMO-OFDM channel ... difference of 20 MHz in thecase of NLoS paths. However the correlation of the LoS pathin the atrium is found to be l arge over a 40 MHz difference.4.6. Effects of antenna spacingThe effects of antenna...
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