Skip to Content

6,499 Results Found

  • Feature Paper
  • Article
  • Open Access
2 Citations
1,378 Views
14 Pages

Statistical Mechanics of Directed Networks

  • Marián Boguñá and
  • M. Ángeles Serrano

18 January 2025

Directed networks are essential for representing complex systems, capturing the asymmetry of interactions in fields such as neuroscience, transportation, and social networks. Directionality reveals how influence, information, or resources flow within...

  • Article
  • Open Access
3 Citations
1,694 Views
21 Pages

Statistical Synthesis and Analysis of Functionally Deterministic Signal Processing Techniques for Multi-Antenna Direction Finder Operation

  • Semen Zhyla,
  • Eduard Tserne,
  • Yevhenii Volkov,
  • Sergey Shevchuk,
  • Oleg Gribsky,
  • Dmytro Vlasenko,
  • Volodymyr Kosharskyi and
  • Danyil Kovalchuk

This manuscript focuses on the process of measuring the angular positions of radio sources using radio engineering systems. This study aims to improve the accuracy of measuring the angular positions of sources that radiate functionally determined sig...

  • Article
  • Open Access
10 Citations
3,580 Views
21 Pages

The growing densities of human and economic activities in cities lead to more severe consequences when a catastrophe such as an earthquake occurs. This study on urban seismic risk evaluation is carried out from the perspective of the direct loss caus...

  • Extended Abstract
  • Open Access
2 Citations
1,833 Views
4 Pages

19 October 2018

The utilization of solar energy is one of the best effective methods to combat the climate change. The estimation of solar potential in urban areas can vary depending on the urban morphology. This paper performs a directional statistical analysis of...

  • Article
  • Open Access
3 Citations
2,699 Views
14 Pages

28 October 2022

Multiple Object Tracking (MOT) is the problem that involves following the trajectory of multiple objects in a sequence, generally a video. Pedestrians are among the most interesting subjects to track and recognize for many purposes such as surveillan...

  • Article
  • Open Access
6 Citations
3,278 Views
18 Pages

AMaLa: Analysis of Directed Evolution Experiments via Annealed Mutational Approximated Landscape

  • Luca Sesta,
  • Guido Uguzzoni,
  • Jorge Fernandez-de-Cossio-Diaz and
  • Andrea Pagnani

9 October 2021

We present Annealed Mutational approximated Landscape (AMaLa), a new method to infer fitness landscapes from Directed Evolution experiments sequencing data. Such experiments typically start from a single wild-type sequence, which undergoes Darwinian...

  • Article
  • Open Access
14 Citations
4,967 Views
20 Pages

Automatic Parameter Tuning of Multiple-Point Statistical Simulations for Lateritic Bauxite Deposits

  • Yasin Dagasan,
  • Philippe Renard,
  • Julien Straubhaar,
  • Oktay Erten and
  • Erkan Topal

22 May 2018

The application of multiple-point statistics (MPS) in the mining industry is not yet widespread and there are very few applications so far. In this paper, we focus on the problem of algorithmic input parameter selection, which is required to perform...

  • Review
  • Open Access
1,718 Views
13 Pages

Speech Segmentation with Prosodic and Statistical Cues Is Language-Specific in Infancy

  • Mireia Marimon,
  • Amanda Saksida,
  • Barbara Höhle and
  • Alan Langus

19 September 2025

Speech segmentation is one of the first tasks infants face when learning their mother tongue. It has been argued that statistical learning could function as a gateway to speech segmentation in the absence of pre-existing knowledge about the language...

  • Article
  • Open Access
4 Citations
2,625 Views
49 Pages

17 November 2023

Due to their versatile advantages, the use of additively manufactured components is growing. In addition, new additive manufacturing processes are constantly being developed, so that a wide range of printing processes are now available for metal. Des...

  • Article
  • Open Access
2 Citations
2,847 Views
17 Pages

8 February 2024

The present study explores turbulence statistics in turbulent flow over urban-like terrain using direct numerical simulation (DNS). DNS is performed in a turbulent boundary layer (TBL) over 3D cubic roughness elements. The turbulence statistics at Re...

  • Article
  • Open Access
2 Citations
1,353 Views
24 Pages

23 October 2025

The vertical tail plays a crucial role in aircraft directional stability and lateral control, especially during low-speed operations such as takeoff and landing. This study examines the effect of aircraft mass on vertical tail geometry through a stat...

  • Article
  • Open Access
11 Citations
3,120 Views
21 Pages

1 October 2020

In this paper, we propose a data fusion algorithm based on the weighted histogram statistics (DF-WHS) to improve the performance of direction-of-arrival (DOA) estimation for the vector hydrophone vertical array (VHVA). The processing frequency band i...

  • Article
  • Open Access
11 Citations
2,534 Views
23 Pages

Renewable Cooperation Mechanisms in the EU: Lessons Learned and Future Perspectives

  • Francesca Romana Tedeschini,
  • Andreas Tuerk and
  • Dorian Frieden

2 November 2023

In 2018, the European Union (EU) adopted a recast of the Renewable Energy Directive (RED), setting the framework for a common EU-wide 2030 target of 32.5% renewables in final energy consumption, for which Member States shall set national contribution...

  • Article
  • Open Access
2,580 Views
14 Pages

The Role of Coefficient Drivers of Time-Varying Coefficients in Estimating the Total Effects of a Regressor on the Dependent Variable of an Equation

  • Paravastu Ananta Venkata Bhattanatha Swamy,
  • I-Lok Chang,
  • Peter von zur Muehlen and
  • Amit Achameesing

Typically, the explanatory variables included in a regression model, in conjunction with the omitted relevant regressors implied by the usual error term, have both direct and indirect effects on the dependent variable. Attempts to obtain their separa...

  • Article
  • Open Access
3 Citations
3,632 Views
33 Pages

7 June 2024

A complete framework of predicting the attributes of sea clutter under different operational conditions, specified by wind speed, wind direction, grazing angle, and polarization, is proposed for the first time. This framework is composed of empirical...

  • Article
  • Open Access
18 Citations
4,949 Views
28 Pages

11 February 2019

In this work, the statistical fundaments of the recently proposed enhanced, multi-temporal interferometric synthetic aperture radar (InSAR) noise-filtering (E-MTInSAR) technique is addressed. The adopted noise-filtering algorithm is incorporated into...

  • Article
  • Open Access
7 Citations
6,433 Views
23 Pages

3 March 2024

Data obtained using direct numerical simulations (DNS) of pressure-driven turbulent channel flow are studied in the range 180 Reτ 10,000. Reynolds number effects on the mean velocity profile (MVP) and second order statistics are analyzed...

  • Article
  • Open Access
27 Citations
4,867 Views
40 Pages

28 December 2022

LST has been fluctuating more quickly, resulting in the degradation of the climate and human life on a local–global scale. The main aim of this study is to examine SUHI formation and hotspot identification over Prayagraj city of India using sea...

  • Article
  • Open Access
22 Citations
2,883 Views
24 Pages

13 May 2020

This paper introduces a new protection system for solar photovoltaic generator (SPVG)-connected networks. The system is a combination of voltage-restrained overcurrent relays (VROCRs) and directional overcurrent relays (DOCRs). The DOCRs are implemen...

  • Article
  • Open Access
12 Citations
6,590 Views
18 Pages

Per and polyfluoroalkyl substances (PFASs) are a huge class of Contaminants of Emerging Concern, well-known to be persistent, bioaccumulative and toxic. They have been detected in different environmental matrices, in wildlife and even in humans, with...

  • Article
  • Open Access
6 Citations
1,920 Views
23 Pages

4 February 2021

In this paper, we present uncertainties of statistical quantities of direct numerical simulations (DNS) with small numerical errors. The uncertainties are analysed for channel flow and a flow separation case in a confined backward facing step (BFS) g...

  • Article
  • Open Access
5 Citations
1,857 Views
22 Pages

Wind tunnel tests and numerical simulations are the mainstream methods to study the wind-induced vibration of structures. However, few articles use statistical parameters to point out the differences and errors of these two research methods in explor...

  • Article
  • Open Access
7 Citations
3,948 Views
15 Pages

The Role of the Atmospheric Aerosol in Weather Forecasts for the Iberian Peninsula: Investigating the Direct Effects Using the WRF-Chem Model

  • Carlos Silveira,
  • Ana Martins,
  • Sónia Gouveia,
  • Manuel Scotto,
  • Ana I. Miranda and
  • Alexandra Monteiro

23 February 2021

In the atmosphere, aerosols play an important role in climate change, the Earth’s environment and human health. The purpose of this study is to investigate the direct and semi-direct aerosol effects on weather forecasting, focusing on the Iberian Pen...

  • Article
  • Open Access
26 Citations
2,549 Views
18 Pages

5 September 2021

In the present study, flame propagation statistics from turbulent statistically planar premixed flames obtained from simple and detailed chemistry, three-dimensional Direct Numerical Simulations, were evaluated and compared to each other. To this end...

  • Article
  • Open Access
20 Citations
2,051 Views
32 Pages

10 September 2021

Flame propagation statistics for turbulent, statistically planar premixed flames obtained from 3D Direct Numerical Simulations using both simple and detailed chemistry have been evaluated and compared to each other. To achieve this, a new database ha...

  • Article
  • Open Access
1 Citations
2,423 Views
23 Pages

15 December 2023

The estimation of long-term extreme response is a crucial task in the design of marine structures. The target extreme responses are typically defined by annual exceedance probabilities of 10−2 and 10−4. Various approaches can be employed...

  • Article
  • Open Access
1 Citations
3,317 Views
17 Pages

17 August 2022

We present schemes for simulating Brownian bridges on complete and connected Lie groups and homogeneous spaces. We use this to construct an estimation scheme for recovering an unknown left- or right-invariant Riemannian metric on the Lie group from s...

  • Article
  • Open Access
6 Citations
2,487 Views
21 Pages

28 November 2022

Although steel slag has been used over the past years, the data-based evidence cannot even be found to indicate the development of steel slag-related technologies. To clarify the leading regions, reveal the research trends, and propose future researc...

  • Article
  • Open Access
7 Citations
3,881 Views
19 Pages

Directional Support Vector Machines

  • Diogo Pernes,
  • Kelwin Fernandes and
  • Jaime S. Cardoso

19 February 2019

Several phenomena are represented by directional—angular or periodic—data; from time references on the calendar to geographical coordinates. These values are usually represented as real values restricted to a given range (e.g., [ 0 , ...

  • Article
  • Open Access
12 Citations
3,995 Views
23 Pages

A Comparison of Numerical Simulations and Model Experiments on Parametric Roll in Irregular Seas

  • Geert Kapsenberg,
  • Clève Wandji,
  • Bulent Duz and
  • Sungeun (Peter) Kim

The recently finalised Second Generation Intact Stability Criteria (SGISC), produced by the International Maritime Organisation (IMO), contain a level 3 assessment, the so-called Direct Stability Assessment (DSA). This assessment can be carried out u...

  • Article
  • Open Access
6 Citations
4,574 Views
15 Pages

24 April 2021

In this work, we present a novel scheme for nonlinear hyperspherical estimation using the von Mises–Fisher distribution. Deterministic sample sets with an isotropic layout are exploited for the efficient and informative representation of the underlyi...

  • Article
  • Open Access
15 Citations
2,787 Views
16 Pages

10 November 2020

This work focuses on the hot deformation behavior and constitutive models of Ti6Al4V alloy manufactured by directed energy deposition laser (DEDL). The hot compression tests of DEDL Ti6Al4V alloy at deformation temperature of 700–950 °C and...

  • Article
  • Open Access
6 Citations
3,426 Views
24 Pages

25 January 2021

An improved version of the Local-Gradient-Modified (LG-Mod) algorithm for Sea Surface Wind (SSW) directions retrieval by means of Synthetic Aperture Radar (SAR) images is presented. A “local” multi-scale analysis of wind-aligned SAR patte...

  • Article
  • Open Access
2,383 Views
24 Pages

4 November 2021

Bathymetry is a key element in the modeling of river systems for flood mapping, geomorphology, or stream habitat characterization. Standard practices rely on the interpolation of in situ depth measurements obtained with differential GPS or total stat...

  • Article
  • Open Access
1 Citations
2,789 Views
15 Pages

A Constitutive Equation of Turbulence

  • Peter W. Egolf and
  • Kolumban Hutter

15 November 2021

Even though applications of direct numerical simulations are on the rise, today the most usual method to solve turbulence problems is still to apply a closure scheme of a defined order. It is not the case that a rising order of a turbulence model is...

  • Article
  • Open Access
9 Citations
4,010 Views
20 Pages

A Novel Method of Design Flood Hydrographs Estimation for Flood Hazard Mapping

  • Wiesław Gądek,
  • Beata Baziak,
  • Tamara Tokarczyk and
  • Wiwiana Szalińska

9 June 2022

Flood hazard mapping requires knowledge of peak flow as well as flood wave volume and shape, usually represented as a design flood hydrograph (DFH). Statistical approaches for DFH development include nonparametric and parametric methods. The former a...

  • Article
  • Open Access
2 Citations
1,415 Views
10 Pages

25 August 2022

We consider third-order likelihood inferences for the parameters, quantiles and reliability function of the logistic distribution. This theory involves the conditioning and marginalization of the likelihood function. The logistic distribution is a sy...

  • Article
  • Open Access
1 Citations
2,222 Views
14 Pages

2 September 2022

Interior tomography of X-ray computed tomography (CT) has many advantages, such as a lower radiation dose and lower detector hardware cost compared to traditional CT. However, this imaging technique only uses the projection data passing through the r...

  • Article
  • Open Access
1 Citations
1,999 Views
11 Pages

10 July 2023

The mutual information of the observed channel phase between devices can serve as an entropy source for secret key generation in line-of-sight scenarios. However, so far only simulated and numeric results were available. This paper derives the probab...

  • Article
  • Open Access
1 Citations
2,430 Views
20 Pages

22 May 2023

The “low indirect land use change risk” (“low ILUC-risk”) concept was developed to assess whether crop-based biofuels would compete with other land uses and cause the expansion of agricultural land. At the core of low ILUC-ris...

  • Feature Paper
  • Article
  • Open Access
12 Citations
5,330 Views
25 Pages

Fixed-Wing Unmanned Aerial Vehicle 3D-Model-Based Tracking for Autonomous Landing

  • Nuno Pessanha Santos,
  • Victor Lobo and
  • Alexandre Bernardino

30 March 2023

The vast increase in the available computational capability has allowed the application of Particle-Filter (PF)-based approaches for monocular 3D-model-based tracking. These filters depend on the computation of a likelihood function that is usually u...

  • Article
  • Open Access
1 Citations
2,098 Views
10 Pages

On the Summarization of Meteorological Data for Solar Thermal Power Generation Forecast

  • Icaro Figueiredo Vilasboas,
  • Julio Augusto Mendes da Silva and
  • Osvaldo José Venturini

6 April 2023

The establishment of the typical weather conditions of a given locality is of fundamental importance to determine the optimal configurations for solar thermal power plants and to calculate feasibility indicators in the power plant design phase. There...

  • Article
  • Open Access
50 Citations
11,754 Views
17 Pages

Statistical Measures to Quantify Similarity between Molecular Dynamics Simulation Trajectories

  • Jenny Farmer,
  • Fareeha Kanwal,
  • Nikita Nikulsin,
  • Matthew C. B. Tsilimigras and
  • Donald J. Jacobs

29 November 2017

Molecular dynamics simulation is commonly employed to explore protein dynamics. Despite the disparate timescales between functional mechanisms and molecular dynamics (MD) trajectories, functional differences are often inferred from differences in con...

  • Article
  • Open Access
2 Citations
1,756 Views
18 Pages

20 December 2024

Seasonal variation information is very important information for reservoir operation and water resources management. Traditional flood season division relies primarily on statistical methods and does not consider the specific regional rainy patterns....

  • Article
  • Open Access
2 Citations
2,293 Views
20 Pages

24 January 2024

Direct numerical simulations of temporally evolving high-temperature supersonic turbulent channel flow for chemical equilibrium were conducted with a Mach number of 3.0, a Reynolds number of 4880, and a wall temperature of 1733.2 K to investigate the...

  • Article
  • Open Access
8 Citations
3,151 Views
16 Pages

The Reusability of AlSi10Mg Powder in Directed Energy Deposition

  • Parnian Kiani,
  • Alexander D. Dupuy,
  • Kaka Ma and
  • Julie M. Schoenung

11 January 2024

The low deposition efficiency in directed energy deposition (DED) has prompted the reuse of powders that do not fuse to the builds to make additive manufacturing more sustainable. It is unknown, however, how the properties of the powder and deposited...

  • Article
  • Open Access
147 Citations
32,895 Views
20 Pages

Deep Geothermal Energy Production in Germany

  • Thorsten Agemar,
  • Josef Weber and
  • Rüdiger Schulz

9 July 2014

Germany uses its low enthalpy hydrothermal resources predominantly for balneological applications, space and district heating, but also for power production. The German Federal government supports the development of geothermal energy in terms of proj...

  • Article
  • Open Access
6 Citations
2,396 Views
23 Pages

17 July 2025

Groundwater contamination by nitrates (NO3) and nitrites (NO2) is an urgent problem in rural areas of Eastern Europe, with profound public health and sustainability implications. This paper presents an integrated assessment of groundwat...

  • Article
  • Open Access
16 Citations
3,924 Views
19 Pages

13 October 2022

Energy renovations of the building stock are a paramount objective of the European Union (EU) to combat climate change. A tool for renovation progress monitoring is energy performance certificate (EPC) labelling. The present study tested the effect o...

of 130