Results 51 to 60 of about 4,215 (185)

In Situ Calculation of Spaceflight Magnetometer Coupling Coefficients for Interference Removal Using the Reduction Algorithm for Magnetometer Electromagnetic Noise (RAMEN)

open access: yesEarth and Space Science, Volume 12, Issue 4, April 2025.
Abstract Space‐based in situ magnetic field measurements are often limited by spacecraft‐generated interference, known as stray magnetic fields. These fields, generated by currents from spacecraft subsystems, are frequently several times stronger than the ambient magnetic field signals of interest.
Alex P. Hoffmann, Mark B. Moldwin
wiley   +1 more source

Underdetermined source separation using a sparse STFT framework and weighted laplacian directional modelling

open access: yes, 2017
The instantaneous underdetermined audio source separation problem of K-sensors, L-sources mixing scenario (where K < L) has been addressed by many different approaches, provided the sources remain quite distinct in the virtual positioning space spanned ...
Mitianoudis, Nikolaos, Sgouros, Thomas
core   +1 more source

Approximate Message Passing for Underdetermined Audio Source Separation [PDF]

open access: yes, 2017
Approximate message passing (AMP) algorithms have shown great promise in sparse signal reconstruction due to their low computational requirements and fast convergence to an exact solution.
Iqbal, Turab, Wang, Wenwu
core   +2 more sources

Matrix of Polynomials Model based Polynomial Dictionary Learning Method for Acoustic Impulse Response Modeling [PDF]

open access: yes, 2017
We study the problem of dictionary learning for signals that can be represented as polynomials or polynomial matrices, such as convolutive signals with time delays or acoustic impulse responses.
Dong, Jing   +4 more
core   +2 more sources

Self‐location in perceptual experience: A top‐down account

open access: yesMind &Language, Volume 40, Issue 2, Page 157-173, April 2025.
Perceptual experience is self‐locating. This claim aligns with our intuitions and is the dominant view in philosophy. To defend the claim, some philosophers have advanced perspectival accounts and others have advanced agentive accounts. Here, I explore tensions between the two accounts and propose a novel, integrative account: the top‐down view, which ...
Pablo Fernandez Velasco
wiley   +1 more source

Diagnosis of Roller Bearings Compound Fault Using Underdetermined Blind Source Separation Algorithm Based on Null-Space Pursuit

open access: yesShock and Vibration, 2015
In order to solve the problem of underdetermined blind source separation (BSS) in the diagnosis of compound fault of roller bearings, an underdetermined BSS algorithm based on null-space pursuit (NSP) was proposed.
Lingli Cui   +3 more
doaj   +1 more source

Recovery of binary sparse signals from compressed linear measurements via polynomial optimization [PDF]

open access: yes, 2019
The recovery of signals with finite-valued components from few linear measurements is a problem with widespread applications and interesting mathematical characteristics.
Abuabiah, Mohammad, Fosson, Sophie M.
core   +2 more sources

Application of Underdetermined Blind Source Separation Algorithm on the Low-Frequency Oscillation in Power Systems

open access: yesEnergies, 2023
The timely discovery of low-frequency oscillations in power systems and accurate identification of their modal parameters is critical in numerous applications.
Yuanyang Xia   +3 more
doaj   +1 more source

Speech Separation Using Partially Asynchronous Microphone Arrays Without Resampling

open access: yes, 2018
We consider the problem of separating speech sources captured by multiple spatially separated devices, each of which has multiple microphones and samples its signals at a slightly different rate.
Corey, Ryan M., Singer, Andrew C.
core   +1 more source

Active source selection using gap statistics for underdetermined blind source separation [PDF]

open access: yesSeventh International Symposium on Signal Processing and Its Applications, 2003. Proceedings., 2003
We address the problem of automatically determining the number of active sources in underdetermined blind source separation (BSS). A time-frequency approach to underdetermined BSS is exploited to discriminate the time-frequency structure of the measured mixtures.
Y. Luo, J. Chambers
openaire   +1 more source

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