Works (24)
Updated: July 5th, 2023 15:47
1996 patent
Apparatus and method for echo characterization of a communication channel
Washington, DC: U.S. Patent and Trademark Office.
Source: NC State University Libraries
Added: August 6, 2018
1993 journal article
A METHOD FOR RECURSIVE LEAST-SQUARES FILTERING BASED UPON AN INVERSE QR DECOMPOSITION
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 41(1), 20–30.
TL;DR:
A new computationally efficient algorithm for re- cursive least squares filtering is derived, which is based upon an inverse QR decomposition, which solves directly for the time-recursive least squares filter vector, while avoiding the highly serial backsubstitution step required in previously direct QR approaches.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1993 conference paper
Fast adaptive polynomial root tracking using a homotopy continuation method
1993 IEEE International Conference on Acoustics, Speech, and Signal Processing.
TL;DR:
A fast adaptive method for tracking the roots of a time-varying complex domain polynomial is derived using the method of homotopy continuation and is efficient from both mathematical and implementation standpoints.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
1992 journal article
A PARALLEL IMPLEMENTATION OF THE INVERSE QR ADAPTIVE FILTER
COMPUTERS & ELECTRICAL ENGINEERING, 18(3-4), 291–300.
TL;DR:
The individual processing elements contained in the inverse QR algorithm are outlined, after which it is demonstrated how these processing elements may be connected to implement the overall inverse QR array.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1992 article
GLOBALLY OPTIMAL RATIONAL APPROXIMATION USING HOMOTOPY CONTINUATION METHODS
STONICK, V. L., & ALEXANDER, S. T. (1992, September). IEEE TRANSACTIONS ON SIGNAL PROCESSING, Vol. 40, pp. 2358–2361.
TL;DR:
A homotopy function is constructed which guarantees that the globally optimum rational approximation solution may be determined by finding all the solutions of the desired nonlinear problem.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1991 journal article
A NOVEL-APPROACH FOR STABILIZING RECURSIVE LEAST-SQUARES FILTERS
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 39(8), 1770–1779.
TL;DR:
A novel approach for stabilizing recursive least squares (RLS) filters is presented, which relies on a detailed fixed point analysis that reveals a bias in the error propagation mechanism, providing an analytical basis for instability problems.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1991 personal communication
A RELATIONSHIP BETWEEN THE RECURSIVE LEAST-SQUARES UPDATE AND HOMOTOPY CONTINUATION METHODS
STONICK, V. L., & ALEXANDER, S. T. (1991, February).
TL;DR:
The authors present an alternative derivation of the general recursive least squares (RLS) algorithm using homotopy approaches, and the equivalence between the iterative update for following the path defined by this Homotopy function and the general RLS update is derived.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
1991 journal article
STATISTICAL-ANALYSIS OF INITIALIZATION METHODS FOR RLS ADAPTIVE FILTERS
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 39(8), 1793–1804.
TL;DR:
Theoretical analysis is used to evaluate the mean and second-moment properties of recursive least squares algorithms incorporating the fast exact initialization and soft constrained initialization methods during the initialization period, and theoretical results are derived that show that the weight vector mean and covariance are finite.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1990 personal communication
INVERSE INVARIANT DISTRIBUTIONS
HUBING, N. E., & ALEXANDER, S. T. (1990, June).
TL;DR:
An intuitive method of finding inverse-invariant density functions is presented, with examples and notes on where these distributions arise.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1988 journal article
ANALYSIS OF A RECURSIVE LEAST-SQUARES HYPERBOLIC ROTATION ALGORITHM FOR SIGNAL-PROCESSING
LINEAR ALGEBRA AND ITS APPLICATIONS, 98, 3–40.
TL;DR:
The hyperbolic rotation algorithm is shown to be forward (weakly) stable and, in fact, comparable to an orthogonal downdating method showing to be backward stable by Stewart, and how the method's accuracy depends upon the conditioning is shown.
(via Semantic Scholar)
open access via doi.org (publisher)
Source: Web Of Science
Added: August 6, 2018
1987 journal article
Analytical finite precision results for Burg?s algorithm and the autocorrelation method of linear prediction
IEEE Transactions on Acoustics, Speech, and Signal Processing, 35, 626–635.
Source: NC State University Libraries
Added: August 6, 2018
1987 patent
Echo canceller using parametric methods
Washington, DC: U.S. Patent and Trademark Office.
Source: NC State University Libraries
Added: August 6, 2018
1987 journal article
FIXED-POINT ROUNDOFF ERROR ANALYSIS OF THE EXPONENTIALLY WINDOWED RLS ALGORITHM FOR TIME-VARYING SYSTEMS
IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING, 35(6), 770–783.
TL;DR:
A fixed-point roundoff error analysis of the exponentially windowed RLS algorithm is presented and it is shown that a tradeoff exists in the choice of the forgetting factor λ in order to reduce the sensitivity of the algorithm to additive noise.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1987 journal article
TRANSIENT WEIGHT MISADJUSTMENT PROPERTIES FOR THE FINITE PRECISION LMS ALGORITHM
IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING, 35(9), 1250–1258.
TL;DR:
A new and more accurate analytical result is derived for the expected misadjustment in the LMS weight vector due to FP effects which is applicable to both the transient adaptation period and steady state.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1986 article
AN SIMD MULTIPROCESSOR RING ARCHITECTURE FOR THE LMS ADAPTIVE ALGORITHM
MILLER, T. K., ALEXANDER, S. T., & FABER, L. J. (1986, January). IEEE TRANSACTIONS ON COMMUNICATIONS, Vol. 34, pp. 89–92.
TL;DR:
A new architecture for a single instruction stream, multiple data stream (SIMD) implementation of the LMS adaptive algorithm is investigated, denoted as a ring architecture, and it effectively solves the latency problem often associated with prediction error feedback in adaptive filters.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1986 book
Adaptive signal processing: Theory and applications
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
1986 journal article
Fast adaptive filters: A geometrical approach
IEEE Transactions on Acoustics, Speech, and Signal Processing, 18–28.
TL;DR:
The geometrical vector space concepts in this article are applied to deriving the very important fast RLS structure known as the fast transversal filter (FTF), which is used in speech coding and linear prediction.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
1985 personal communication
A SIMPLE NONITERATIVE SPEECH EXCITATION ALGORITHM USING THE LPC RESIDUAL
TL;DR:
An analytical derivation of a simple noniterative technique for extracting a multiple impulse excitation model for synthesized speech directly from the LPC residual sequence, which is very applicable for speech enhancement where processor capability is limited.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1985 chapter
Adaptive Compression of Teleconference Sequences Using the LMS Algorithm
In Ramamohan Rao & R. Srinivasan (Eds.), Teleconferencing. New York: Van Rostrand Reinhold, Inc.
Ed(s): . Ramamohan Rao & R. Srinivasan
Source: NC State University Libraries
Added: August 6, 2018
1985 personal communication
IMAGE COMPRESSION RESULTS USING THE LMS ADAPTIVE ALGORITHM
TL;DR:
Results are presented which show LMS may provide almost 2 bits per symbol reduction in transmitted bit rate compared to DPCM when distortion levels are approximately the same for both methods.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1984 personal communication
A DERIVATION OF THE COMPLEX FAST KALMAN ALGORITHM
TL;DR:
The derivation of a complex-domain recursive linear prediction algorithm with a reduced number of computations is presented, seen to be very similar to real domain fast Kalman, when complex conjugation is considered in formulating the error measure.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1984 journal article
Optimal gain derivation for the LMS algorithm using a visual fidelity criteria
IEEE Transactions on Acoustics, Speech, and Signal Processing, 32, 434–437.
Source: NC State University Libraries
Added: August 6, 2018
1983 patent
Gravimeter
Washington, DC: U.S. Patent and Trademark Office.
Source: NC State University Libraries
Added: August 6, 2018
1979 article
CHANNEL EQUALIZATION USING ADAPTIVE LATTICE ALGORITHMS
IEEE TRANSACTIONS ON COMMUNICATIONS, Vol. 27, pp. 899–905.
TL;DR:
The orthogonalization properties of the lattice algorithms make them appear promising for equalizing channels which exhibit heavy amplitude distortion, and the number of operations per update for the adaptive lattice equalizers is linear with respect to thenumber of equalizer taps.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
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