Results 31 to 40 of about 1,032,480 (246)

Assessment of the Kernel Gram Matrix Representation of Data in Order to Avoid the Alignment of Chromatographic Signals

open access: yesMolecules, 2021
This article discusses the possibility of exploratory data analysis of samples described by second-order chromatographic data affected by peak shifts.
Ivana Stanimirova, Michal Daszykowski
doaj   +1 more source

Analysis of Volatility Volume and Open Interest for Nifty Index Futures Using GARCH Analysis and VAR Model

open access: yesInternational Journal of Financial Studies, 2021
The generalized autoregressive conditional heteroscedastic model (GARCH) is used to estimate volatility for Nifty Index futures on day trades. The purpose is to find out if a contemporaneous or causal relation exists between volatility volume and open ...
Parizad Phiroze Dungore   +1 more
doaj   +1 more source

Noise in and as music [PDF]

open access: yes, 2013
One hundred years after Luigi Russolo’s “The Art of Noises,” this book exposes a cross-section of the current motivations, activities, thoughts, and reflections of composers, performers, and artists who work with noise in all of its many forms.
Einbond, Aaron, Cassidy, Aaron
core   +3 more sources

A New Approach in Regression Analysis for Modeling Adsorption Isotherms

open access: yesThe Scientific World Journal, 2014
Numerous regression approaches to isotherm parameters estimation appear in the literature. The real insight into the proper modeling pattern can be achieved only by testing methods on a very big number of cases.
Dana D. Marković   +4 more
doaj   +1 more source

ν-Support Vector Regression Model Based on Gauss-Laplace Mixture Noise Characteristic for Wind Speed Prediction

open access: yesEntropy, 2019
Most regression techniques assume that the noise characteristics are subject to single noise distribution whereas the wind speed prediction is difficult to model by the single noise distribution because the noise of wind speed is complicated due to its ...
Shiguang Zhang   +5 more
doaj   +1 more source

Are the comfort classes noise and vibration levels on board really suitable?

open access: yes, 2021
In shipbuilding industry, comfort is a relevant issue both for crew members and passengers. A comfortable environment enables crew members to perform accurately their tasks and it is an effective factor contributing to the satisfaction of passengers ...
Flavia D'Agostin   +2 more
core   +1 more source

A Study of Two Periodogram Algorithms for Improving the Detection of Small Transiting Planets

open access: yesThe Astrophysical Journal Letters, 2023
The sensitivities of two periodograms are compared for weak signal planet detection in transit surveys: the widely used Box Least Squares (BLS) algorithm following light curve detrending and the Transit Comb Filter (TCF) algorithm following ...
Yash Gondhalekar   +4 more
doaj   +1 more source

Multifrequency-Band Tests for White Noise Under Heteroscedasticity

open access: yesJournal of Business & Economic Statistics, 2021
This article proposes a new family of multifrequency-band tests for the white noise hypothesis by using the maximum overlap discrete wavelet packet transform. At each scale, the proposed multifrequency-band test has the chi-square asymptotic null distribution under mild conditions, which allow the data to be heteroscedastic.
Mengya Liu (224510)   +2 more
openaire   +2 more sources

Exponential Generalized Autoregressive Conditional Heteroscedastic Time Series Model Analysis with Wavelets

open access: yesTikrit Journal of Administrative and Economic Sciences
Data noise is one of the problems facing the accuracy of building time series models, such as the EGARCH model. In this article, it was proposed to treat the noisy data of the Exponential Generalized Autoregressive Conditional Heteroscedastic Time ...
Hunar Adam Hamza   +3 more
doaj   +1 more source

Heteroscedastic Decoupling Algorithm of Gyroscope Front-End Preprocessing for UAVs Under Collision Disturbance

open access: yesAlgorithms
Small cargo unmanned aerial vehicles (UAVs) operating in narrow confined spaces suffer instantaneous collision impacts that induce gyroscope heteroscedastic noise and abrupt angular velocity derivatives, triggering severe dynamic attitude errors in ...
Ying Wei   +3 more
doaj   +1 more source

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