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Chunfeng Huang Tailen Hsing Noel Cressie Auroop R. Ganguly Vladimir A. Protopopescu Nageswara S. Rao 《商业与工业应用随机模型》2010,26(4):331-348
We consider a network of sensors that measure the intensities of a complex plume composed of multiple absorption–diffusion source components. We address the problem of estimating the plume parameters, including the spatial and temporal source origins and the parameters of the diffusion model for each source, based on a sequence of sensor measurements. The approach not only leads to multiple‐source detection, but also the characterization and prediction of the combined plume in space and time. The parameter estimation is formulated as a Bayesian inference problem, and the solution is obtained using a Markov chain Monte Carlo algorithm. The approach is applied to a simulation study, which shows that an accurate parameter estimation is achievable. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
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We propose a new algorithm to control frictional dynamics of a small array of particles towards preassigned values of the average sliding velocity. The control is based on the concepts of non-Lipschitzian dynamics and terminal attractor. Extensive numerical simulations illustrate the robustness, efficiency, and convenience of the algorithm. 相似文献
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S.U. Chung S.D. Protopopescu G.R. Lynch M. Alston-Garnjost A. Barbaro-Galtieri J.H. Friedman R.L. Ott M.S. Rabin F.T. Solmitz S.M. Flatté 《Physics letters. [Part B]》1973,47(6):526-530
We have done a JP analysis of the low-mass π+ω system, using the reaction π+p→π+ωp at 7.1 GeV/c. 相似文献
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We report herein the synthesis of cytotoxic cyanobactin, Wewakazole B through an efficient solution-phase approach. The key steps of the synthesis are the macrocyclic lactamization of linear dodecapeptide and construction of two hexapeptides with three different substituted oxazole rings. 相似文献
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S.U. Chung R.L. Eisner S.D. Protopopescu N.P. Samios R.C. Strand 《Physics letters. [Part B]》1974,51(4):413-416
We present results of a spin-parity analysis of the Kω system from threshold to 1.52 MeV based on 12 500 events of the type K?p→K?π+π?πop at 7.3 GeV/c. We also present evidence for a possible resonant state decaying into Kω at a mass 1710 ± 15 MeV and width 110 ± 50 MeV. 相似文献
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Summary The approximate conservation laws for a binary gas mixture with quadratic interactions can be written as a system of two semilinear
hyperbolic equations. By using the method of characteristics the study of this system is reduced to the study of a system
of nonlinear ordinary differential equations, for which we find several classes of exact solutions. Exact integrability conditions
are found for ODE systems of generalized Lotka-Volterra type. Some situations are also considered, in which the characteristic
method cannot be applied and exact solutions are obtained via an operator method. 相似文献
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G. Frosali C. V. M. van der Mee V. Protopopescu 《Mathematical Methods in the Applied Sciences》1988,10(1):15-35
A study is performed of transport equations on arbitrary three-dimensional domains with boundary conditions of reverse reflection type. The existence of the dominant eigenvalue of the criticality problem is proved and its independence of the functional setting and its continuous dependence on a variety of data are established. The corresponding time-dependent problem is shown to be well-posed, also for a conservative boundary. The relationship between the criticality and the time-dependent problem is given explicitly. 相似文献
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