نتایج جستجو برای: welch
تعداد نتایج: 3083 فیلتر نتایج به سال:
First, I would like to thank the author of ”Comments on ’A Simple and Accurate Algorithm for Barycentric Rational Interpolation’” (hereafter referred to as ”the comments”) for their interest in my work [1]. The author of the comments points out a novel relationship between barycentric rational interpolation, the Welch-Berlekamp key equation and Gröbner bases. This could turn out to be a very pr...
Senones were introduced to share Hidden Markov model (HMM) parameters at a sub-phonetic level in [3] and decision trees were incorporated to predict unseen phonetic contexts in [4]. In this paper, we will describe two applications of the senonic decision tree in (1) dynamically downsizing a speech recognition system for small platforms and in (2) sharing the Gaussian covariances of continuous d...
Codebooks constructed from Welch bound equality (WBE) sequences have been show to be optimal in terms of sum capacity in synchronous CDMA systems. Unfortunately, these codebooks are a function of the number of active signatures and need to be reassigned as the number of active users changes to maintain optimality. To mitigate the problems caused by the loss of the Welch bound equality property,...
The general formulation of a linear combination of population means permits a wide range of research questions to be tested within the context of ANOVA. However, it has been stressed in many research areas that the homogeneous variances assumption is frequently violated. To accommodate the heterogeneity of variance structure, the Welch–Satterthwaite procedure is commonly used as an alternative ...
All of the writers wish to acknowledge the support of the Oak Ridge National Laboratorv under Subcontract 1491. Two of us (J. A. S. A. and J. J. W. R.) have received substantial funds under Grant C-009 from the Robert A. Welch Foundation for studies on the geochemistry of thorium. The Robert A. Welch Foundation under Grant K-054b also provided one of us (J. A. S. A.) with funds for both the dev...
The Power spectrum estimation of randomly spaced samples using nonparametric methods is well known and is revisited in this paper. Commonly used nonparametric methods are Periodogram, Modified Periodogram and Welch methods. The Periodogram and Modified Periodogram are asymptotically inconsistent spectral estimators for non uniform samples, Welch method is a consistent estimate for the random sa...
Thyroid cancer is the most common endocrine malignancy, accounting for 1% of all malignant tumors in the USA (Sherman, 2003) and 5.9% in one district of Wenzhou (a coastal city in Southeast China, with a incidence of 21/100,000) (Zheng and Zhang, 2007). The incidence of papillary thyroid carcinoma, which is the most common histologic type of thyroid malignancy, is increasing worldwide (Davies a...
This paper describes techniques for segmentation of conversational speech based on speaker identity. Speaker seg-mentation is performed using Viterbi decoding on a hidden Markov model network consisting of interconnected speaker sub-networks. Speaker sub-networks are initialized using Baum-Welch training on data labeled by speaker, and are iteratively retrained based on the previous segmentatio...
A and an analysis are given for an experimental performance evaluation of WASSP, an automated wavelet-based spectral method for constructing an approximate confidence interval on the steady-state mean of a simulation output process such that the delivered confidence interval satisfies user-specified requirements on absolute or relative precision as well as coverage probability. The experimentat...
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