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research skills units of time brb97

Báo cáo sinh học:

Báo cáo sinh học: " Research Article Estimation of Time-Varying Coherence and Its Application in Understanding Brain Functional Connectivity" potx

... perspective into the characteristics of time-varying spectrum via studying the properties of the corresponding kernel However, to maintain physical meaningness in time-varying spectrum and coherence, ... normalization of the time-varying cross spectrum The time-varying coherence certainly inherits the characteristics of the time-varying spectra Therefore, the multiscale characteristic of the ST-spectrogram ... ST-spectrogram in studying the time-varying characteristic of time series, we estimate the time-varying spectra and coherence of a pair of synthetic nonstationary time series using both the GTand the...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Capacity of Time-Hopping PPM and PAM UWB Multiple Access Communications over Indoor Fading Channels" ppt

... (dB) 2 -PAM 4 -PAM 20 25 0.5 100 30 101 102 103 Number of user, SNR = 15 dB 2PPM 4PPM 8 -PAM 16 -PAM 8PPM 1 6PPM Figure 8: Capacity of a multiple access UWB system with PAM over a multipath fading ... 1 6PPM 3 2PPM 2PPM 4PPM 8PPM Figure 5: Relationship between distance and channel capacity of a UWB system with PPM over a multipath fading channel, L = 2, m = 0.65, and n = 8PPM 1 6PPM Figure 7: Capacity ... m=9 20 25 30 1 6PPM 3 2PPM 2PPM 4PPM 8PPM Figure 3: Capacity of a UWB system with PPM over a multipath fading channel with L = and m = 0.65 Figure 1: UWB multipath fading channel capacity with L...
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Báo cáo hóa học:

Báo cáo hóa học: "Research Article µ-Stability of Impulsive Neural Networks with Unbounded Time-Varying Delays and Continuously Distributed Delays" doc

... unbounded time-varying and continuously distributed delays Remark 3.3 In 23, 24 , the authors have studied μ-stability for neural networks with unbounded time-varying delays and continuously distributed ... 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 to impulsive neural networks with unbounded ... concerning the problem of μ-stability of impulsive neural networks with unbounded timevarying delays and continuously distributed delays As we know, the impulse phenomenon as well as time delays are ubiquitous...
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Báo cáo sinh học:

Báo cáo sinh học: " Research Article Approximation of Solution of Some m-Point Boundary Value Problems on Time Scales Rahmat Ali Khan1 and Mohammad Rafique2 1" pot

... existence results via upper and lower solutions method and approximation of solutions via generalized quasilinearization method for some three-point boundary value problems on time scales have been studied ... exists a monotone sequence {wn } of solutions of linear problems converging uniformly and quadratically to a unique solution of the BVP 1.1 Proof Conditions A1 and A2 ensure the existence of a unique ... uniqueness of solutions to boundary value problems on time scales, ” Advances in Difference Equations, vol 2004, no 2, pp 93–109, 2004 12 C C Tisdell and H B Thompson, On the existence of solutions to boundary...
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Báo cáo sinh học:

Báo cáo sinh học: " Research Article Approximating the Time-Frequency Representation of Biosignals with Chirplets" pot

... Finally, the time-frequency representation of the signal is generated by calculating the inverse Fourier transform of the ambiguity function If the signal of interest is not a sum of chirplets, the ... frequency [40] The spatial frequency of the oscillations depends on the distance between the monocomponents in time-frequency plane; that is, the farther apart the components, the higher the oscillation ... by ellipsoids The direction and length of the principle axes are functions of the chirp rate and the time spread These axes can be identified with a Radon transform Analysis of the Radon transform...
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Báo cáo hóa học:

Báo cáo hóa học: "Research Article A Decentralized Approach for Nonlinear Prediction of Time Series Data in Sensor Networks" pptx

... Quan, W J Kaiser, and A H Sayed, A spatial sampling scheme based on innovations diffusion in sensor networks,” in Proceedings of the 6th International Symposium on Information Processing in Sensor ... Shapes of the Gaussian and the Laplacian kernels around the origin more classical and universal ones In this paper, without any essential loss of generality, we are primarily interested in radial ... corresponding to a signal-to-noise ratio of 10 dB These data were used to estimate a nonlinear model, based on the Gaussian kernel, that predicts temperature as a function of location and time Preliminary...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Recovery of Myocardial Kinematic Function without the Time History of External Loads" ppt

... prediction of the true state x(k) without the input forces W(k), the estimation of the true state x(k) without the input forces W(k), and the estimation of the true state x(k) with the input forces ... framework of the Kalman filter and the least-square filter (KLLS) are implemented for the estimation of kinematic function In KL implementation, the nodal displacements with noise in the top of the synthetic ... through the model dynamics because of the deterministic nature of these models The purpose of this paper is to build a stochastic representation of myocardial dynamics, which relaxes the requirement...
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Báo cáo hóa học:

Báo cáo hóa học: "Research Article Statistical Real-time Model for Performance Prediction of Ship Detection from Microsatellite Electro-Optical Imagers" docx

... feature for detection and tracking purposes Therefore, wake detection is often used either in combination with or even instead of other ship detection methods A ship produces two types of wakes ... subject of further research Our aim is only to propose a real-time methodology for assessing EO sensor performance and to illustrate this methodology by the design of a simple simulator for ship detection ... Probability of detection Pdf pw (S) Hence, zw (r, t) is the inverse Fourier Transform (FT) of A (k, t) Modeling gravity waves is done by specifying a model for A(k) and for φ(k) Modeling swells...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Analysis of Distributed Consensus Time Synchronization with Gaussian Delay over Wireless " pot

... Estimated time of arrival Tt p Ta Tp Figure 1: Physical layer-based time delay model Figure 2: MAC layer-based time delay model the synchronization error of the DCTS algorithm due to Gaussian random delays ... network with fixed topology, the expectation of global synchronization error is the same regardless of the speed of synchronization In general, we see that the DCTS algorithm with Gaussian delay ... of L and A2 , total degree of network, step size, and delay time vector DCTS Algorithm with Gaussian Delay in Structured Networks In this section, we apply the DCTS algorithm under Gaussian delay...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Existence of Positive Solutions for Multipoint Boundary Value Problem with p-Laplacian on Time Scales" ppt

... Henderson, Existence of solutions for a one dimensional p-Laplacian on time- scales,” Journal of Difference Equations and Applications, vol 10, no 10, pp 889–896, 2004 Z He, “Double positive solutions ... 2005 H.-R Sun and W.-T Li, Existence theory for positive solutions to one-dimensional p-Laplacian boundary value problems on time scales,” Journal of Differential Equations, vol 240, no 2, pp 217– ... KM x for some positive constants Km , KM They established the existence results for at least one positive solution by using a fixed point theorem of cone expansion and compression of functional...
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báo cáo hóa học:

báo cáo hóa học:" Research Article Existence of Positive Solution to Second-Order Three-Point BVPs on Time Scales" docx

... Equations and Applications, vol 14, no 7, pp 723–736, 2008 H Luo and Q Ma, Positive solutions to a generalized second-order three-point boundary-value problem on time scales,” Electronic Journal of ... and A Peterson, Dynamic Equations on Time Scales: An Introduction with Application, Birkh¨ user, Boston, Mass, USA, 2001 a M Bohner and A Peterson, Advances in Dynamic Equations on Time Scales, ... on Measure Chains, vol 370 of Mathematics and Its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands, 1996 D R Anderson, “Solutions to second-order three-point problems on time...
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Báo cáo hóa học:

Báo cáo hóa học: "Research Article Existence of Solutions for Nonlinear Four-Point p-Laplacian Boundary Value Problems on Time Scales" pptx

... we get the existence of at least one and two positive solutions for nonlinear p-Laplacian BVP 1.1 - 1.2 Finally, using the monotone method, we prove the existence of solutions for p-Laplacian ... physical applications 3, In particular, for p or φp s the existence of positive solutions for nonlinear singular boundary value problems has been obtained 5, p-Laplacian problems with two-, ... with nonlinear functional boundary conditions,” Computers & Mathematics with Applications, vol 42, no 3-5, pp 593–601, 2001 X M He, “The existence of positive solutions of p-Laplacian equation,”...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Stabilization of Discrete-Time Control Systems with Multiple State Delays" doc

... exponential stabilizability of discrete-time systems with time-delayed states Finally, as an application, we consider the global stabilization of the nonlinear control systems Preliminaries In this ... observability, controllability, and stabilization of linear elastodynamic systems, ” SIAM Journal on Control and Optimization, vol 37, no 2, pp 521–542, 1999 10 E K Boukas, State feedback stabilization of ... theorem for discrete-time systems, ” IEEE e Transactions on Automatic Control, vol 41, no 6, pp 903–907, 1996 12 E N Chukwu, Stability and Time-Optimal Control of Hereditary Systems, vol 188 of Mathematics...
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Báo cáo hoa học:

Báo cáo hoa học: " Research Article Permanence of a Discrete n-Species Schoener Competition System with Time Delays and Feedback Controls" pptx

... Mathematics and Computation, vol 173, no 2, pp 694–709, 2006 11 F Chen, Permanence of a discrete N-species cooperation system with time delays and feedback controls,” Applied Mathematics and Computation, ... Theoretical Ecology, Principles and Applications, Sounders, Philadelphia, Pa, USA, 1976 R P Agarwal, Difference Equations and Inequalities: Theory, Methods, and Applications, vol 228 of Monographs and ... population model with delays and feedback control,” Acta Mathematica Sinica, vol 21, no 6, pp 1319–1336, 2005 F Chen, “Positive periodic solutions of neutral Lotka-Volterra system with feedback...
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