Results 21 to 30 of about 4,690,072 (303)

Steady-State Performance of an Adaptive Combined MISO Filter Using the Multichannel Affine Projection Algorithm

open access: yesAlgorithms, 2018
The combination of adaptive filters is an effective approach to improve filtering performance. In this paper, we investigate the performance of an adaptive combined scheme between two adaptive multiple-input single-output (MISO) filters, which can be ...
Danilo Comminiello   +3 more
doaj   +1 more source

New variant of NLMS/F algorithm with low computational cost

open access: yesRevista Elektrón, 2022
Adaptive filters are used in a wide variety of signal processing applications (e.g., acoustic echo cancellation, system identification, channel equalization, etc.).
Laura Jazmín Hidalgo Hernández   +4 more
doaj   +1 more source

A novel heuristic for the analysis of block sign LMS algorithm

open access: yesElectronics Letters, 2023
This paper presents a new heuristic for the analysis of adaptive filtering algorithms. It combines Price's Theorem (which is strictly valid when the random variables are jointly Gaussian) with a probabilistic model of the input data that assumes ...
Newton Norat Siqueira   +2 more
doaj   +1 more source

Ultrasound image smoothing based on adaptive and non-adaptive filters

open access: yesJournal of the Pakistan Medical Association
Objective: To model adaptive and non-adaptive filters to ensure smooth ultrasound images. Method: The comparative study was conducted at Al-Yarmouk Teaching Hospital, Al Mustansiriyah University, Baghdad, Iraq, in 2019, and comprised ultrasound images ...
Heba Khudhair Abbas   +2 more
doaj   +1 more source

Adaptivni digitalni filtri / Adaptive digital filters [PDF]

open access: yesVojnotehnički Glasnik, 2002
Rad opisuje osnove funkcionisanja adaptivnih filtara. U uvodnim razmatranjima obra-đene su osnove matematičke obrade diskretnih signala i z-transformacije kod adaptivnih filtara. Izložen je Wienerov problem filtracije.
Dragan Petković
doaj   +1 more source

Adaptive parameters for tracking filters innovation system

open access: yesAdvances in Mechanical Engineering, 2016
One of the most important parts in target tracking is the filter algorithm. In the practical engineering, α-β-γ and α-β-γ-δ filters are often applied due to its simpler arithmetic operations.
Chun-Mu Wu
doaj   +1 more source

Adaptive polynomial Kalman filter for nonlinear state estimation in modified AR time series with fixed coefficients

open access: yesIET Control Theory & Applications
This article presents a novel approach for adaptive nonlinear state estimation in a modified autoregressive time series with fixed coefficients, leveraging an adaptive polynomial Kalman filter (APKF).
Dileep Sivaraman   +3 more
doaj   +1 more source

LMS Adaptive Filters for Noise Cancellation: A Review

open access: yes, 2017
This paper reviews the past and the recent research on Adaptive Filter algorithms based on adaptive noise cancellation systems. In many applications of noise cancellation, the change in signal characteristics could be quite fast which requires the ...
Shubhra Dixit, D. Nagaria
semanticscholar   +1 more source

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

A novel robust interacting multiple model filter for manoeuvering target tracking

open access: yesElectronics Letters
A robust interacting multiple model approach is proposed to address the problem of accuracy and non‐Gaussian measurement noise in manoeuvering target tracking. The proposed approach introduces multiple fading factors into the prediction covariance matrix
Peng Gu, Zhongliang Jing, Liangbin Wu
doaj   +1 more source

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