Báo cáo sinh học: " Research Article A Spectral Regularization Method for a Cauchy Problem of the Modified Helmholtz Equation" potx
Báo cáo sinh học: " Research Article A Spectral Regularization Method for a Cauchy Problem of the Modified Helmholtz Equation" potx
... 2010, Article ID 212056, 13 pagesdoi:10.1155/2010/212056 Research Article A Spectral Regularization Method for a Cauchy Problem of the Modified Helmholtz EquationAilin Qian, Jianfeng Mao, and Lianghua ... the Cauchy problem for the Helmholtz equation,” Applied Numerical Mathematics, vol. 59, no. 10, pp. 2625–2640, 2009.10 H. H. Qin and T. Wei, Modified regularization method for the Cauchy problem ... numerical methods and it requires special techniques, for exam-ple, regularization methods. Although theoretical concepts and computational implementa-tion related to the Cauchy problem of Helmholtz...
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Báo cáo sinh học: " Research Article One-Dimensional Compressible Viscous Micropolar Fluid Model: Stabilization of the Solution for the Cauchy Problem" pot
... in Mathematics and Its Applications, North-Holland,Amsterdam, The Netherlands, 1990.4 Ja. I. Kanel’, The Cauchy problem for equations of gas dynamics with viscosity,” Sibirski˘ıMatematicheski˘ı ... dτ,3.24Boundary Value Problems 5In the proof of Theorem 2.1, we apply some ideas of 4 and obtain the similar resultsas in 5 where a stabilisation of the generalized solution was proved for the classical ... Model: Stabilization of the Solution for the Cauchy Problem Nermina Mujakovi´cDepartment of Mathematics, University of Rijeka, Omladinska 14, 51000 Rijeka, CroatiaCorrespondence should be addressed...
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Báo cáo hóa học: " Research Article An Adaptive Constraint Method for Paraunitary Filter Banks with Applications to Spatiotemporal Subspace Tracking" potx
... filtered. The main use of paraunitaryfilters is to alter the phase relationships of the signals beingsent through them. They are also typically used to reduce the spatial dimensionality of a multichannel ... iteration of the adaptive constraint method per time instant converges to an accurate subspaceestimate that minimizes the low-rank mean-squared errorcriterion. The steady-state value of ρPSA(k) ... Investigator) Award and has received significant research funding from the US Army, DARPA, other US governmental orga-nizations, the State of Texas, and numerous companies. He is highlyactive in professional...
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Báo cáo hóa học: " Research Article Point Spread Function Estimation for a Terahertz Imaging System" pot
... filterdeconvolution of (4) has been applied to the measured andideal phantom images, to produce a PSF estimation. The value of the parameter s was estimated from the measuredvalue of our signal and the estimated ... responsemeasurement, from image data of Phantom 1, and from image data of Phantom 2. (a) (b)(c)Figure 6: (a) Optical image of kangaroo and coin scene. (b) Amplitude image of original scan at 180 ... transformedinto a Gaussian beam converging towards the focal point on the target surface. A portion of the THz beam penetrates the target, and the remainder is reflected across a range of angles. The energy...
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báo cáo hóa học:" Research Article Two New Iterative Methods for a Countable Family of Nonexpansive Mappings in Hilbert Spaces" pdf
... pagesdoi:10.1155/2010/852030 Research Article Two New Iterative Methods for a Countable Family of Nonexpansive Mappings in Hilbert SpacesShuang Wang1and Changsong Hu21School of Mathematical Sciences, Yancheng Teachers ... linear operator A is a A -Lipschitzian and γ-strongly monotone operator.Construction of fixed points of nonlinear mappings is an important and active research area. In particular, iterative algorithms ... 0 equals x∗. Therefore, xt→ x∗as t → 0.2 Fixed Point Theory and Applications A typical problem is that of minimizing a quadratic function over the set of the fixed points of a nonexpansive...
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báo cáo hóa học:" Research Article New Iterative Approximation Methods for a Countable Family of Nonexpansive Mappings in Banach Spaces" pot
... K. Aoyama, Y. Kimura, W. Takahashi, and M. Toyoda, “Approximation of common fixed points of a countable family of nonexpansive mappings in a Banach space,” Nonlinear Analysis: Theory, Methods& ... 24 pagesdoi:10.1155/2011/671754 Research Article New Iterative Approximation Methods for a Countable Family of Nonexpansive Mappings inBanach SpacesKamonrat Nammanee1, 2and Rabian Wangkeeree2, ... initiated the study of certain classes of nonlinear operators by means of the duality mapping Jϕ. Following Browder 27,wesaythat a Banach space E has a weakly continuous duality mapping if there...
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Báo cáo sinh học: " Research Article Time-Frequency Data Reduction for Event Related Potentials: Combining Principal Component Analysis and Matching Pursuit" pot
... PCA explain most of the datavariance since PCA is designed to maximize the varianceexplained and extracts components that are orthogonal toeach other. The PCA-Gabor method, on the other hand,approximates ... proposedmethods to different data factorization approaches such as the ICA. For ERP data collected over multiple channels,spatial ICA may be used as an alternative to PCA and the proposed data reduction ... and the actual signal and the sparseness of the representation, that is, the number of elements of the dictionary used in the representation shouldbe minimal. This approach has the advantage of...
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Báo cáo sinh học: " Research Article Minimum Variance Signal Selection for Aorta Radius Estimation Using Radar" pptx
... the problem. Instead, we haveopted for an analytical approach based on a mathematicalrepresentation of the channel and on the derivation of the CRLB. In order to obtain a mathematically tractable ... that the CRLB may be calculated for a constant ratio and then the value for any other ratiosimply scales the CRLB. Therefore, in what follows, this ratiois assumed equal to unity. For clarity, ... concludes that typical diameter peak-to-peak amplitudes for a normal population is 2.18±0.44 mm.This means the measurement precision of the aorta diametervariations must be at a fraction of a millimeter,...
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Báo cáo sinh học: " Research Article Adaptive Wavelet Transform Method to Identify Cracks in Gears" pot
... each scale, MAD/0.6745 isused as the noise deviation estimator. For Morlet wavelet, the same parameters are applied as described before. Measuredsignals of vibrations of a faultless gear and ... normalization, the transform matches the Parseval characteristic of energypreservation. The continuous wavelet transform with parameters η= 6and σ= 1 was used. The representation of the frequencyscalogram ... properlycited.Many damages and faults can cause problems in gear unit operation. A crack in the tooth root is probably the least desirableamong them. It often leads to failure of gear unit operation....
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Báo cáo hóa học: " Research Article Infinitely Many Solutions for a Semilinear Elliptic Equation with Sign-Changing Potential" potx
... Boundary Value Problems a nontrivial solution of P in a situation where fx, u and V x are periodic in the x-variable, fx, u is superlinear at u 0and±∞, and 0 lies in a spectral gap of ... 2001.4 G. Cerami, G. Devillanova, and S. S olimini, “Infinitely many bound states for some nonlinear scalarfield equations,” Calculus of Variations and Partial Differential Equations, vol. 23, ... onRN× R. Problem P arises in various branches of applied mathematics and has been studiedextensively in recent years. For example, Rabinowitz 1 has studied the existence of a nontrivial solution...
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