Results 31 to 40 of about 200,979 (300)

A lowerbound on the dimension of positive realizations [PDF]

open access: yes, 2003
A basic phenomenon in positive system theory is that the dimension N of an arbitrary positive realization of a given transfer function H(z) may be strictly larger than the dimension n of its minimal realizations.
Matolcsi, Máté, Nagy, Béla
core   +1 more source

Impulse Feature Extraction of Bearing Faults Based on Convolutive Nonnegative Matrix Factorization

open access: yesIEEE Access, 2020
The detection of bearing faults is of great significance for the stable operation of rotating machinery. Apart from detection by analysing the vibration response, another powerful strategy is to extract the periodic impulse excitation directly induced by
Lin Liang   +5 more
doaj   +1 more source

Cyclic-Coded Integer-Forcing Equalization [PDF]

open access: yes, 2011
A discrete-time intersymbol interference channel with additive Gaussian noise is considered, where only the receiver has knowledge of the channel impulse response.
Erez, Uri, Ordentlich, Or
core   +1 more source

Critical Response of Single-Degree-of-Freedom Damped Bilinear Hysteretic System under Double Impulse As Substitute for Near-Fault Ground Motion

open access: yesFrontiers in Built Environment, 2018
A double impulse input is used as a substitute for near-fault earthquake ground motions. An explicit expression is derived on the maximum elastic–plastic response of a single-degree-of-freedom damped structure with bilinear hysteresis under the “critical
Hiroki Akehashi   +2 more
doaj   +1 more source

Modeling spin transport with current-sensing spin detectors

open access: yes, 2009
By incorporating the proper boundary conditions, we analytically derive the impulse response (or "Green's function") of a current-sensing spin detector.
Appelbaum, Ian, Li, Jing
core   +1 more source

Impulse response function for Brownian motion [PDF]

open access: yesSoft Matter, 2021
Motivated from the central role of the mean-square displacement and its second time-derivative – that is the velocity autocorrelation function in the description of Brownian motion, we revisit the physical meaning of its first time-derivative.
openaire   +3 more sources

Exploring Factors Affecting Consumer’s Impulse Buying Behavior in Live-Streaming Shopping: An Interactive Research Based Upon SOR Model

open access: yesSAGE Open, 2023
The emergence of live-streaming commerce has fueled the phenomena of impulse buying. However, existing understanding of this phenomenon is relatively limited.
Chunhui Huo   +3 more
doaj   +1 more source

Relative Entropy (RE)-Based LTI System Modeling Equipped With Simultaneous Time Delay Estimation and Online Modeling

open access: yesIEEE Access, 2023
This paper proposes a novel and efficient method of impulse response modeling in presence of input and noisy output of a linear time-invariant (LTI) system.
Mahdi Shamsi, Soosan Beheshti
doaj   +1 more source

Critical earthquake response of elastic-plastic structures under near-fault ground motions (Part 1: Fling-step input)

open access: yesFrontiers in Built Environment, 2015
The double impulse input is introduced as a substitute of the fling-step near-fault ground motion and a closed-form solution of the elastic-plastic response of a structure by the ‘critical double impulse input’ is derived.
Kotaro eKojima, Izuru eTakewaki
doaj   +1 more source

impulseest: A Python package for non-parametric impulse response estimation with input–output data

open access: yesSoftwareX, 2021
This paper presents the impulseest Python package, used for estimating the impulse response of a system relying solely on input and output data. This package can provide estimates in a non-parametric fashion either with regularization techniques. For the
Luan Vinícius Fiorio   +2 more
doaj   +1 more source

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