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21,259 Results Found

  • Article
  • Open Access
3 Citations
5,225 Views
17 Pages

Binary function similarity analysis evaluates the similarity of functions at the binary level to aid program analysis, which is popular in many fields, such as vulnerability detection, binary clone detection, and malware detection. Graph-based method...

(This article belongs to the Special Issue AI in Cybersecurity)
  • Article
  • Open Access
4 Citations
1,803 Views
14 Pages

28 November 2024

In this paper, the lubrication flow field model for an angular contact ball bearing considering the characteristics of the nozzle position was constructed with CFD methods, and the simulation results were compared and validated with the test results....

(This article belongs to the Special Issue Tribological Characteristics of Bearing System, 2nd Edition)
  • Article
  • Open Access
75 Citations
14,804 Views
30 Pages

9 March 2021

This work describes the development of a vision-based tactile sensor system that utilizes the image-based information of the tactile sensor in conjunction with input loads at various motions to train the neural network for the estimation of tactile c...

(This article belongs to the Special Issue Vision Based Sensing and Machine Learning for Robotic Grasping and Manipulation)
  • Feature Paper
  • Article
  • Open Access
2 Citations
2,912 Views
12 Pages

Research and Application of the Original Position Statistical Distribution Analysis Method for Non-Metallic Inclusions in P91 Steel

  • Changwang Zhu,
  • Lixia Yang,
  • Lei Zhao,
  • Yue Ma and ,
  • Yang Wang,
  • Xuejing Shen and
  • Haizhou Wang
  • + 2 authors+ 0 author

17 April 2023

Heat-resistant P91 martensitic steel is used to produce high-temperature steam pipelines in (ultra) critical power plants. However, non-metallic inclusions are inevitably produced in the metallurgical process. The type, composition, morphology, quant...

(This article belongs to the Special Issue Advanced Tundish Metallurgy and Clean Steel Technology)
  • Article
  • Open Access
337 Views
15 Pages

10 August 2026

Soil organic carbon (SOC) is a key indicator of soil quality, ecosystem functioning, and climate regulation. However, the combined influence of land use and geochemical landscape position on the vertical distribution of SOC remains insufficiently und...

(This article belongs to the Section Energy Science and Technology)
  • Feature Paper
  • Article
  • Open Access
2 Citations
1,569 Views
24 Pages

27 May 2025

This study, based on the vessel position data of pump-suction beam trawlers and the integrated species distribution model (ISDM), deeply analyzes the spatio-temporal distribution characteristics of the habitat of Antarctic krill and the contributions...

(This article belongs to the Section Ecology and Conservation)
  • Article
  • Open Access
29 Citations
7,719 Views
26 Pages

13 December 2020

Positioning systems are used to determine position coordinates in navigation (air, land, and marine). Statistical analysis of their accuracy assumes that the position errors (latitude—δφ and longitude—δλ) are random...

(This article belongs to the Special Issue GNSS Data Processing and Navigation in Challenging Environments)
  • Article
  • Open Access
20 Citations
4,244 Views
23 Pages

23 December 2020

Positioning systems are used to determine position coordinates in navigation (air, land and marine). The accuracy of an object’s position is described by the position error and a statistical analysis can determine its measures, which usually in...

(This article belongs to the Special Issue GNSS Data Processing and Navigation in Challenging Environments)
  • Review
  • Open Access
1 Citations
2,651 Views
22 Pages

17 November 2023

This review presents the main results of the author’s study, obtained as part of the post-doctoral (habilitation) dissertation entitled “Research on Statistical Distributions of Navigation Positioning System Errors”, which constitut...

(This article belongs to the Section Engineering Remote Sensing)
  • Article
  • Open Access
9 Citations
2,026 Views
15 Pages

A Family of Truncated Positive Distributions

  • Héctor J. Gómez,
  • Karol I. Santoro,
  • Inmaculada Barranco-Chamorro,
  • Osvaldo Venegas and ,
  • Diego I. Gallardo and
  • Héctor W. Gómez
  • + 1 author+ 0 author

26 October 2023

In this paper, a new family of continuous distributions with positive support is introduced. This family is generated by a truncation of the family of univariate symmetrical distributions. In this new family of distributions, general properties, such...

(This article belongs to the Section D1: Probability and Statistics)
  • Communication
  • Open Access
2 Citations
2,169 Views
9 Pages

A Direct Position Determination Method under Unknown Multi-Perturbation with Moving Distributed Arrays

  • Qiting Zhang,
  • Jianfeng Li,
  • Yawei Tang,
  • Weiming Deng and
  • Xiaofei Zhang

17 February 2023

Distributed array manifold perturbation, which includes synchronization errors, amplitude-phase errors, and path attenuation, has seriously degraded the accuracy of existing direct position determination (DPD) methods. In this paper, a DPD method und...

(This article belongs to the Special Issue Sparse Array Design, Processing and Application)
  • Article
  • Open Access
32 Citations
4,513 Views
12 Pages

2 November 2018

The development of smart cities calls for improved accuracy in navigation and positioning services; due to the effects of satellite orbit error, ionospheric error, poor quality of navigation signals and so on, it is difficult for existing navigation...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
11 Citations
3,338 Views
8 Pages

16 November 2019

A novel two-dimensional (2D) positioning method based on Raman distributed temperature sensing (RDTS) has been reported to dramatically improve positioning accuracy. Using a well-designed 2D distribution of optical fiber and corresponding algorithms,...

(This article belongs to the Special Issue Distributed Optical Fiber Sensing)
  • Article
  • Open Access
19 Citations
5,176 Views
25 Pages

Distributed Multi-Antenna Positioning for Automatic-Guided Vehicle

  • Xinyuan An,
  • Sihao Zhao,
  • Xiaowei Cui,
  • Qin Shi and
  • Mingquan Lu

20 February 2020

Radio-based positioning systems are typically utilized to provide high-precision position information for automatic-guided vehicles (AGVs). However, the presence of obstacles in harsh environments, as well as carried cargoes on the AGV, will degrade...

(This article belongs to the Collection Positioning and Navigation)
  • Feature Paper
  • Article
  • Open Access
548 Views
26 Pages

2 June 2026

Recently, the pre-positioned warehouse mode has gained popularity among fresh-product e-commerce, due to its proximity to customers, flexibility, and low operation and maintenance costs. However, product diversity and perishability cause higher inven...

(This article belongs to the Special Issue Recent Advances in Planning and Scheduling for Supply Chain Optimization)
  • Article
  • Open Access
16 Citations
8,424 Views
19 Pages

Riemannian Laplace Distribution on the Space of Symmetric Positive Definite Matrices

  • Hatem Hajri,
  • Ioana Ilea,
  • Salem Said,
  • Lionel Bombrun and
  • Yannick Berthoumieu

16 March 2016

The Riemannian geometry of the space Pm, of m × m symmetric positive definite matrices, has provided effective...

(This article belongs to the Special Issue Differential Geometrical Theory of Statistics)
  • Article
  • Open Access
13 Citations
3,424 Views
20 Pages

8 December 2021

Positioning information is the cornerstone of a new generation of electronic information technology applications represented by the Internet of Things and smart city. However, due to various environmental electromagnetic interference, building shield...

  • Feature Paper
  • Article
  • Open Access
4 Citations
962 Views
20 Pages

31 October 2025

This paper introduces the Lambert-Lindley distribution, a two-parameter extension of the Lindley model constructed through the Lambert-F generator. The new distribution retains the non-negative support of the Lindley distribution and provides additio...

(This article belongs to the Special Issue Advances in Flexible Parametric Distributions for Modeling Skewness and Kurtosis)
  • Article
  • Open Access
424 Views
14 Pages

4 September 2026

Background/Objectives: Human papillomavirus (HPV) genotype distribution is an important epidemiologic indicator for guiding public health surveillance, yet large-scale, laboratory-based data among Korean females remain limited, particularly following...

(This article belongs to the Section Obstetrics & Gynecology)
  • Article
  • Open Access
12 Citations
3,590 Views
19 Pages

9 April 2020

With the demand for high resolution remote sensing, load array technology has gradually become an effective measure to improve imaging resolution. However, the external flow and internal engine vibration disturbance may lead to the flexible deformati...

(This article belongs to the Section Remote Sensors)
  • Article
  • Open Access
56 Citations
9,355 Views
15 Pages

10 July 2015

The nutritional and functional characteristics of dietary fat are related to the fatty acid (FA) composition and its positional distribution in the triacylglycerol (TAG) fraction. Atlantic salmon is an important source of healthy long chain omega 3 F...

(This article belongs to the Special Issue Marine Lipids)
  • Article
  • Open Access
968 Views
15 Pages

Lipid Profiles and Fatty Acid Positional Distribution in Two Farmed Seahorse Species by Untargeted Lipidomics and Enzymatic Hydrolysis

  • Tianxi Bi,
  • Dandan Wang,
  • Xiaoming Jiang,
  • Tingting Lin and ,
  • Yi Shao,
  • Yuming Wang,
  • Taher Abdelnaby,
  • Lu Zhang,
  • Chengcheng Wang and
  • Tiantian Zhang
  • + 5 authors+ 0 author

20 March 2026

Seahorses exhibit significant nutritional functions, including antioxidant and anti-tumor properties, with species like Hippocampus abdominalis and Hippocampus erectus now commercially farmed on a large scale. Notably, lipids are the key bioactive co...

  • Article
  • Open Access
4 Citations
4,976 Views
10 Pages

3 January 2023

Recently, there has been great interest in the lipidomic of marine lipids and their potential health benefits. Processing of seafood products can potentially modify the characteristics and composition of lipids. The present study investigated the eff...

(This article belongs to the Special Issue Innovative Marine Molecules: Chemistry, Biology and Analysis)
  • Article
  • Open Access
406 Views
33 Pages

28 September 2026

Few outages have confirmed labels in power distribution data, which makes anomaly ranking difficult. Semi-Supervised Local Outlier Factor with Positive-Unlabeled Learning (SSLOF-PU) combines local density with similarity to confirmed outages. The met...

(This article belongs to the Section Energy Systems)
  • Article
  • Open Access
10 Citations
7,449 Views
31 Pages

13 October 2024

Dynamical vehicle performances depend on its center of gravity’s position. It is necessary to determine this position as closely as possible. The current methods of determining the center of gravity’s position are either not sufficiently...

  • Article
  • Open Access
1 Citations
749 Views
19 Pages

12 November 2025

Distributed coherent synthesis on dynamic platforms suffers from phase misalignment and significantly reduced synthesis efficiency due to navigation errors and communication delays. To address this challenge and dramatically enhance the synthesis eff...

  • Article
  • Open Access
2 Citations
1,906 Views
20 Pages

10 July 2024

Today, the analysis and synthesis methods of electro-pneumatic systems with position control actuated by pneumatic artificial muscles (PAMs) are quite well known. In these methods, pneumatic artificial muscle is considered as an object with lumped pa...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
1 Citations
3,388 Views
15 Pages

Effects of Salinity on the Growth Performance and Docosahexaenoic Acid Positional Distribution in Triacylglycerols of the Newly Isolated Schizochytrium sp. FJ-1

  • Sitong Ye,
  • Xiaonan Wang,
  • Youcai Zhou,
  • Xuehua Xiao and ,
  • Pingying Liu,
  • Chengdeng Chi,
  • Peipei Sun,
  • Mingmin Zheng,
  • Bilian Chen and
  • Yongjin He
  • + 6 authors+ 1 author

23 June 2025

Schizochytrium-derived omega-3 polyunsaturated fatty acids (e.g., docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA)) are proven to be health-beneficial bioactive substances that have been widely applied in the pharmaceutical, nutraceutical,...

(This article belongs to the Special Issue Applications of Lipids from Marine Sources)
  • Article
  • Open Access
3 Citations
1,353 Views
17 Pages

19 August 2025

The nutritional value of lipids depends not only on their fatty acid composition but also on their stereospecific positioning on the glycerol backbone. This study investigated the fatty acid composition and sn-2 positional distribution of triacylglyc...

(This article belongs to the Section Aquatic Animals)
  • Article
  • Open Access
7 Citations
4,294 Views
14 Pages

Influence of Burner Position on Temperature Distribution in Soybean Flaming

  • Miloš Rajković,
  • Goran Malidža,
  • Strahinja Stepanović,
  • Marko Kostić and ,
  • Kristina Petrović,
  • Mirko Urošević and
  • Sava Vrbničanin
  • + 2 authors+ 0 author

13 March 2020

The main objective of this study was to identify optimal burner orientation for a newly designed flame cultivator by quantifying the flame temperature distributions of cross, back, and parallel position of burners at different heights of the soybean...

(This article belongs to the Special Issue Integrated Weed Management Approaches and Decision Support Systems)
  • Article
  • Open Access
13 Citations
4,782 Views
15 Pages

19 February 2023

To date, a total of 23 valid species of heteronemerteans belonging to 15 genera have been recorded in Antarctic and Subantarctic waters. The ribbon worm Heteronemertes longifissa (Hubrecht, 1887) is the only heteronemertean species reported to have b...

(This article belongs to the Special Issue Physical and Biological Properties of Waters in the Region of the Antarctic Peninsula and Adjacent Basins of the South Atlantic)
  • Article
  • Open Access
778 Views
25 Pages

Influence of Longitudinal Center of Mass Position on Load Distribution in High-Speed Quadrupedal Locomotion

  • Kaixin Lan,
  • Lei Jiang,
  • Yucheng Tao,
  • Chaojie Fu and ,
  • Yongbin Jin and
  • Hongtao Wang
  • + 1 author+ 0 author

Existing quadruped robots typically place their center of mass (CoM) near the geometric center of the body to achieve structural symmetry and simplify control design. In contrast, many quadrupedal animals capable of agile running exhibit a pronounced...

(This article belongs to the Section Locomotion and Bioinspired Robotics)
  • Article
  • Open Access
6 Citations
2,149 Views
18 Pages

Estimation of Void Area and Position in Solder Layer of Power Semiconductor Devices Based on Temperature Distribution Characteristics

  • Wang Guo,
  • Xingang Chen,
  • Zheng Tang,
  • Xingmou Liu and ,
  • Zhipeng Ma,
  • Xiangtao Xu and
  • Daquan Xia
  • + 2 authors+ 0 author

6 September 2024

Solder layer voids have a significant impact on the thermal performance of a device, which is a key cause of the thermal failure of the device. In this paper, the area and location of solder layer voids are calculated by combining finite element mode...

  • Article
  • Open Access
1 Citations
2,739 Views
14 Pages

24 August 2019

A non-uniform temperature across the width of martensitic stainless-steel strips is considered to be one of the main reasons why the strip exhibits un-flatness defects during the hardening process. Therefore, the effect of the gas inlet position in t...

(This article belongs to the Special Issue Forming and Heat Treatment of Modern Metallic Materials)
  • Article
  • Open Access
2 Citations
2,548 Views
9 Pages

23 September 2024

The incorporation of triaxial accelerometers into Global Positioning Systems (GPS) has significantly advanced our understanding of accelerations in sports. However, inter-positional differences are unknown. This study aimed to explore the variability...

  • Article
  • Open Access
3 Citations
2,127 Views
23 Pages

26 January 2024

Lophozia pallida, the commonly used name for a rare and little-known Sino-Himalayan species, was found to be a synonym of Lophozia dubia, a forgotten and previously misinterpreted species known in Indonesia. A comparative study of herbarium materials...

(This article belongs to the Special Issue Plant Taxonomy, Systematics, and Phylogeography)
  • Article
  • Open Access
180 Views
20 Pages

Smart-city water management increasingly depends on converting routine sensing data into reliable, actionable models of network assets. Positional control valves are central to pressure regulation, flow allocation, and operational response, yet their...

  • Article
  • Open Access
549 Views
22 Pages

A Method of 3D Target Localization Based on Multi-View Airborne-Distributed SAR

  • Xuyang Ge,
  • Xingdong Liang,
  • Xiangwei Dang,
  • Zhiyu Jiang and ,
  • Jiashuo Wei and
  • Xiangxi Bu
  • + 1 author+ 0 author

With the increasing demand for three-dimensional positioning in Synthetic Aperture Radar (SAR) systems, multi-view SAR technology is rapidly evolving. Airborne-distributed SAR systems, benefiting from multi-platform collaborative observation, flexibl...

  • Article
  • Open Access
8 Citations
3,896 Views
27 Pages

Load Distribution Analysis and Contact Stiffness Prediction of the Dual-Drive Ball Screw Pair Considering Guide Rail Geometric Error and Slide Position

  • Zhifeng Liu,
  • Weiliang Zuo,
  • Baobao Qi,
  • Chuanhai Chen and ,
  • Jinyan Guo,
  • Dong Li and
  • Shan Gao
  • + 2 authors+ 0 author

The dual-drive ball screw pair serves as a crucial element within the fixed gantry machine tool with cross-rail movement. When in service, the dual-drive ball screw pair experiences variations in axial load, impacting the contact load distribution of...

  • Article
  • Open Access
596 Views
19 Pages

23 February 2026

The rapid development of the Internet of Vehicles (IoV) has significantly increased data transmission demands, frequently causing backhaul congestion and service delays in traditional static cellular networks. To address these challenges, this paper...

(This article belongs to the Section Drone Communications)
  • Article
  • Open Access
1 Citations
1,870 Views
11 Pages

Fingerprint Fusion Location Method Based on Wireless Signal Distribution Characteristic

  • Jianlei Yang,
  • Baoguo Yu,
  • Shichen Li,
  • Xuan Li and ,
  • Shuo Li,
  • Cheng Ci and
  • Hong Wu
  • + 2 authors+ 0 author

In the context of the rapid development of the Internet and the Internet of Things technology, services based on location information have received more and more attention, and people gradually have higher expectations for the quality and experience...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
3 Citations
2,943 Views
17 Pages

Distribution of Soil Microbes in Urban Parks: An Effect of Under-Tree Crown and Hillside Position on Testate Amoeba Assemblages in Subtropics (Shenzhen, China)

  • Yuantan Zhong,
  • Aleksandr Ivanovskii,
  • Jean Claude Ndayishimiye,
  • Andrey N. Tsyganov and ,
  • Kirill Babeshko,
  • Damir Saldaev and
  • Yuri Mazei
  • + 2 authors+ 0 author

9 December 2022

Testate amoebae (TA) are important components of soil ecosystems, where they play an essential role in belowground food webs. In this study, we examined species composition, diversity, and structure of TA assemblages in soils beneath tree crowns (mic...

  • Article
  • Open Access
4 Citations
1,870 Views
28 Pages

Discrete Joint Random Variables in Fréchet-Weibull Distribution: A Comprehensive Mathematical Framework with Simulations, Goodness-of-Fit Analysis, and Informed Decision-Making

  • Diksha Das,
  • Tariq S. Alshammari,
  • Khudhayr A. Rashedi,
  • Bhanita Das and ,
  • Partha Jyoti Hazarika and
  • Mohamed S. Eliwa
  • + 1 author+ 0 author

30 October 2024

This paper introduces a novel four-parameter discrete bivariate distribution, termed the bivariate discretized Fréchet–Weibull distribution (BDFWD), with marginals derived from the discretized Fréchet–Weibull distribution. S...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
3 Citations
6,417 Views
28 Pages

In this paper, the performance of the optimal beam radius indoor positioning (OBRIP) and two-receiver indoor positioning (TRIP) algorithms are analysed by varying system parameters in the presence of an indoor optical wireless channel modelled in lin...

(This article belongs to the Special Issue Optical Wireless Communication Systems)
  • Article
  • Open Access
93 Citations
12,477 Views
12 Pages

An Improved Algorithm to Generate a Wi-Fi Fingerprint Database for Indoor Positioning

  • Lina Chen,
  • Binghao Li,
  • Kai Zhao,
  • Chris Rizos and
  • Zhengqi Zheng

21 August 2013

The major problem of Wi-Fi fingerprint-based positioning technology is the signal strength fingerprint database creation and maintenance. The significant temporal variation of received signal strength (RSS) is the main factor responsible for the posi...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
14 Citations
3,524 Views
18 Pages

A New Method for Positional Accuracy Control for Non-Normal Errors Applied to Airborne Laser Scanner Data

  • Francisco Javier Ariza-López,
  • José Rodríguez-Avi,
  • Diego González-Aguilera and
  • Pablo Rodríguez-Gonzálvez

16 September 2019

A new statistical method for the quality control of the positional accuracy, useful in a wide range of data sets, is proposed and its use is illustrated through its application to airborne laser scanner (ALS) data. The quality control method is based...

(This article belongs to the Special Issue Remote Sensing and Geoscience Information Systems in Applied Sciences)
  • Article
  • Open Access
3 Citations
2,750 Views
16 Pages

4 January 2023

Based upon a new general vector-valued vector product, generalized complex numbers with respect to certain positively homogeneous functionals including norms and antinorms are introduced and a vector-valued Euler type formula for them is derived usin...

(This article belongs to the Special Issue Honorary Special Issue Dedicated to Prof. Anatolii Asirovich Gol’dberg (1930–2008))
  • Article
  • Open Access
7 Citations
2,406 Views
9 Pages

Optimal Nozzle Position and Patient’s Posture to Enhance Drug Delivery into the Peritoneum during Rotational Intraperitoneal Pressurized Aerosol Chemotherapy in a Swine Model

  • Dong Won Hwang,
  • Eun Ji Lee,
  • Joo Yeon Chung,
  • Eun Joo Lee and ,
  • Dayoung Kim,
  • Soo Hyun Oh,
  • Seungmee Lee,
  • Ga Won Yim,
  • Seung-Hyuk Shim and
  • on behalf of the KoRIA Trial Group
  • + 12 authors+ 7 authors

31 October 2022

Even though rotational intraperitoneal pressurized aerosol chemotherapy (RIPAC) has been developed to improve the distribution and penetration depth of anti-cancer agents by pressurized intraperitoneal aerosol chemotherapy (PIPAC), the optimal nozzle...

  • Article
  • Open Access
1 Citations
1,277 Views
21 Pages

A Concise Approach to Characterizing the Distribution of Canopy Leaf Mass per Area in Broad-Leaf Species Based on Crown Three-Dimensional Position and Vegetation Index

  • Depeng Zhang,
  • Yueqi Wang,
  • Xiguang Yang,
  • Shengtao Yang and ,
  • Yuanyuan Liu,
  • Zijuan Yu and
  • Xingcai Zhao
  • + 2 authors+ 0 author

18 May 2025

Leaf mass per area (LMA) represents the allocation of carbon resources per unit leaf area, which is closely related to the photosynthetic capacity of tree leaves. Clarifying the distribution features of LMA is very useful in understanding nutrient an...

(This article belongs to the Special Issue Advances in Remote Sensing for Forestry: Theory, Methods, Applications, and Validation)
  • Article
  • Open Access
51 Citations
5,933 Views
15 Pages

Biological processes of legumes may change their nutritional value of lipids, but there is no research on the fatty acid profile and their position distribution in fermented beverages obtained from germinated bean seeds. The present study aimed to de...

(This article belongs to the Special Issue Microbial Populations of Fermented Foods)

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