research skills units of time brb97

Ngày tải lên: 25/08/2016, 19:15

... 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 multisca...

Ngày tải lên: 21/06/2014, 16:20

... (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...

Ngày tải lên: 21/06/2014, 22:20

... 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 ca...

Ngày tải lên: 21/06/2014, 05:20

... 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 Condi...

Ngày tải lên: 21/06/2014, 16:20

... 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 a...

Ngày tải lên: 21/06/2014, 16:20

... 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...

Ngày tải lên: 21/06/2014, 17:20

... 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 noda...

Ngày tải lên: 21/06/2014, 19:20

... 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 si...

Ngày tải lên: 21/06/2014, 19:20

... 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...

Ngày tải lên: 21/06/2014, 20:20

... 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 Diffe...

Ngày tải lên: 21/06/2014, 20:20

... 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 Equation...

Ngày tải lên: 21/06/2014, 20:20

... 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,...

Ngày tải lên: 21/06/2014, 20:20

... 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 Bouka...

Ngày tải lên: 21/06/2014, 20:20

... 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, a...

Ngày tải lên: 21/06/2014, 20:20