Báo cáo hóa học: "Research Article The Effect of Cooperation on Localization Systems Using UWB Experimental Data" doc

... gathered through cooperation is then proposed with the purpose of improving the localization accuracy. Using numerical results, we demonstrate the impact of cooperation on the localization accuracy. Copyright ... condition (number of configurations belonging to the condition over the total number of configurations considered). The characterization of the bi...

Ngày tải lên: 21/06/2014, 22:20

... against microphone gain and phase mismatch, as well as deviations in microphone positions and variation of speaker position [11]. It only relies on the second-order statistics of the speech and ... amount of unprocessed noise (λ = 0.8), the localization can be preserved also for the noise component, while λ = 1distorts the localization of the noise component but prov...

Ngày tải lên: 21/06/2014, 08:20

... clas- sification of dialect variation,” Ph.D. dissertation, Indiana Uni- versity, Bloomington, Ind, USA, 2004. [9] M. Jilka, The contribution of intonation to the perception of foreign accent,” Doctoral ... comprehension of the speech. Previous studies on accent perception have focused on detection of nonnative accent (e.g., Jilka [9]; Munro [10]), and on the perceptual...

Ngày tải lên: 22/06/2014, 06:20

... clas- sification of dialect variation,” Ph.D. dissertation, Indiana Uni- versity, Bloomington, Ind, USA, 2004. [9] M. Jilka, The contribution of intonation to the perception of foreign accent,” Doctoral ... comprehension of the speech. Previous studies on accent perception have focused on detection of nonnative accent (e.g., Jilka [9]; Munro [10]), and on the perceptual...

Ngày tải lên: 22/06/2014, 19:20

... on the existence of positive solutions by using fixed point theorem in cones. The proofs are based upon the reduction of problem considered to the equivalent Fredholm integral equation of second ... proof of the main theorem Theorem 4.1 in this paper is independent of the expression form of Gt, s and only dependent on its continuity and nonnegativity, there ar...

Ngày tải lên: 21/06/2014, 05:20

... “Multi-valued contraction mappings,” Pacific Journal of Mathematics, vol. 30, pp. 475– 488, 1969. 31 N. S. Papageorgiou, “Convergence theorems for fixed points of multifunctions and solutions of differential ... a, b, c-contraction on a complete metric space has at least one fixed point see 3. In a recent paper Petrus¸el and Rus introduced the concept of “theory of a metric...

Ngày tải lên: 21/06/2014, 11:20

... be a nonempty bounded closed convex subset of H. Then the mapping A : C → C is continuous. Proof. On the contrary, suppose that there exists x 0 ∈ C and ε 0 > 0 such that for all η>0 there exists ... 2, 2.2 then T has a fixed point in C. This result generalizes Lifshitz’s Theorem in case of a Hilbert space and shows that the theorem admits certain perturbations in the b...

Ngày tải lên: 21/06/2014, 20:20

... apply the twist condition between the zero and at infinity for f to establish the existence of periodic solutions of 1.2. Under the superlinear conditions 1.5, there is no twist condition for ... I 2  of Theorem A holds. Now we establish I 3  of Theorem A by the following three lemmas. Lemma 2.6. Under the assumptions of Theorem 1.1, i of I 3  holds for φ. P...

Ngày tải lên: 21/06/2014, 20:20

... 0,u   1   n  i1 β i u   θ i  . 1.5 They established a corresponding iterative scheme for the problem by using the monotone iterative technique. All the above works were done under the assumption that the nonlinear term is nonnegative. ... is nonnegative. The key conditions used in the above papers ensure that positive solution is concave down. If the nonlinearit...

Ngày tải lên: 21/06/2014, 20:20

... Introduction Minimax theorems are one of powerful tools for investigation on the solution of differential equations and differential systems. The investigation on the solution of differential equations and ... is a solution of 2.11 if and only if u satisfies the operator equation ∇F  u   0. 2.25 3. The Main Theorems Now, we state and prove the following theorem con...

Ngày tải lên: 21/06/2014, 20:20