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7,857 Results Found

  • Technical Note
  • Open Access
35 Citations
5,630 Views
16 Pages

Comparison of Three Methods for Estimating GPS Multipath Repeat Time

  • Minghua Wang,
  • Jiexian Wang,
  • Danan Dong,
  • Haojun Li,
  • Ling Han and
  • Wen Chen

23 January 2018

Sidereal filtering is an effective method for mitigating multipath error in static GPS positioning. Using accurate estimates of multipath repeat time (MRT) in sidereal filtering can further improve the performance of the filter. There are three commo...

  • Article
  • Open Access
8 Citations
4,255 Views
15 Pages

5 November 2019

The characteristic of the satellite repeat shift time can reflect the status of the satellite operation, and is also one of the key factors of the sidereal filtering multipath correction. Although some methods have been developed to calculate the rep...

  • Article
  • Open Access
5 Citations
2,753 Views
17 Pages

25 December 2023

Wildlife tourism is one of the strongest-performing sectors in the global tourism market. While tourists’ preferences for and affection towards animals are a cornerstone of the industry, a better understanding of how experiences, including anim...

  • Article
  • Open Access
1,211 Views
31 Pages

11 December 2025

Understanding destination image perceptions is critical for tourism destinations seeking to maintain competitive advantage and foster visitor loyalty. While the traditional literature suggests that first-time and repeat visitors differ significantly...

  • Article
  • Open Access
27 Citations
3,785 Views
10 Pages

Photodynamic Diagnosis-Assisted Transurethral Resection Using Oral 5-Aminolevulinic Acid Decreases the Risk of Repeated Recurrence in Non-Muscle-Invasive Bladder Cancer: A Cumulative Incidence Analysis by the Person-Time Method

  • Makito Miyake,
  • Nobutaka Nishimura,
  • Yasushi Nakai,
  • Tomomi Fujii,
  • Takuya Owari,
  • Shunta Hori,
  • Yosuke Morizawa,
  • Daisuke Gotoh,
  • Satoshi Anai and
  • Kiyohide Fujimoto
  • + 3 authors

Clinical evidence regarding risk reduction of repeated bladder recurrence after initial photodynamic diagnosis (PDD)-assisted transurethral resection of bladder tumor (TURBT) is still limited in patients with non-muscle-invasive bladder cancer (NMIBC...

  • Article
  • Open Access
11 Citations
8,253 Views
16 Pages

3 September 2020

Sleep restriction (SR) reliably increases caloric intake. It remains unknown whether such intake cumulatively increases with repeated SR exposures and is impacted by the number of intervening recovery sleep opportunities. Healthy adults (33.9 ±...

  • Article
  • Open Access
8 Citations
3,999 Views
12 Pages

Clozapine remains the drug of choice for resistant schizophrenia. However, its dose-response relationship is still controversial. The current investigation aimed to develop a repeated time-to-positive symptoms improvement following the onset of cloza...

  • Article
  • Open Access
3 Citations
2,696 Views
16 Pages

This retrospective study examines demographic and risk factor differences between children who visited the emergency department (ED) for asthma once (“one-time”) and more than once (“repeat”) over an 18-month period at an acad...

  • Article
  • Open Access
4 Citations
4,540 Views
12 Pages

11 April 2017

We developed and validated a pseudo-range correction (PRC) modeling system that can prevent degradation of positioning accuracy even in situations where one cannot obtain PRC messages for Differential Global Navigation Satellite System (DGNSS). A PRC...

  • Article
  • Open Access
6 Citations
1,937 Views
15 Pages

23 July 2023

Volunteer scuba divers have become indispensable stakeholders in marine environmental protection, as their educational knowledge and environmental awareness create environmentally responsible attitudes and behaviors, which are the key elements to pro...

  • Article
  • Open Access
2,236 Views
20 Pages

Cognitive Fatigue Disrupts Explosive Performance and Vigilance in Trained Individuals

  • Andreas Stafylidis,
  • Walter Staiano,
  • Athanasios Mandroukas,
  • Yiannis Michailidis,
  • Lluis Raimon Salazar Bonet,
  • Angelos E. Kyranoudis,
  • Marco Romagnoli,
  • Ana Ferri-Caruana and
  • Thomas I. Metaxas

4 November 2025

This study examined the effects of cognitive fatigue on repeated sprint ability (RSA), neuromuscular performance, and vigilance in physically active young adults (N = 28, 16 males, 12 females; mean age = 20.6 ± 1.4 years). Participants were ra...

  • Article
  • Open Access
4 Citations
4,480 Views
23 Pages

Ku-Band SAR-Drone System and Methodology for Repeat-Pass Interferometry

  • Gerard Ruiz-Carregal,
  • Marc Lort Cuenca,
  • Luis Yam,
  • Gerard Masalias,
  • Eduard Makhoul,
  • Rubén Iglesias,
  • Antonio Heredia,
  • Álex González,
  • Giuseppe Centolanza and
  • Javier Duro
  • + 3 authors

31 October 2024

In recent years, drone-based Synthetic Aperture Radar (SAR) systems have emerged as flexible and cost-efficient solutions for detecting changes in the Earth’s surface, retrieving topographic data, or detecting ground displacement processes in l...

  • Article
  • Open Access
6 Citations
6,429 Views
22 Pages

21 March 2012

This paper investigates how the introduction of social preferences affects players’ equilibrium behavior in both the one-shot and the infinitely repeated version of the Prisoner’s Dilemma game. We show that fairness concerns operate as a ”substitute”...

  • Article
  • Open Access
31 Citations
7,508 Views
14 Pages

A hot spot refers to numerous crime incidents clustered in a limited space-time range. The near-repeat phenomenon suggests that every victimization might form a contagion-like pattern nearby in terms of both space and time. In this article, the near-...

  • Article
  • Open Access
27 Citations
5,911 Views
22 Pages

Advanced Sidereal Filtering for Mitigating Multipath Effects in GNSS Short Baseline Positioning

  • Minghua Wang,
  • Jiexian Wang,
  • Danan Dong,
  • Wen Chen,
  • Haojun Li and
  • Zhiren Wang

Advanced sidereal filtering (ASF) is an observation-domain sidereal filtering that adopts the repeat time of each individual satellite separately rather than the mean repeat time, adopted by the modified sidereal filtering (MSF). To evaluate the perf...

  • Article
  • Open Access
2 Citations
2,481 Views
13 Pages

Effect of Source Mispositioning on the Repeatability of 4D Vertical Seismic Profiling Acquired with Distributed Acoustic Sensors

  • Roman Isaenkov,
  • Konstantin Tertyshnikov,
  • Alexey Yurikov,
  • Pavel Shashkin and
  • Roman Pevzner

12 December 2022

Vertical seismic profiling (VSP) with distributed acoustic sensing (DAS) is an increasingly popular evolving technique for reservoir monitoring. DAS technology enables permanent fibre installations in wells and simultaneous seismic data recording alo...

  • Article
  • Open Access
31 Citations
3,827 Views
9 Pages

Influence of Dry Eye Disease on the Measurement Repeatability of Corneal Curvature Radius and Axial Length in Patients with Cataract

  • Takahiro Hiraoka,
  • Hiroki Asano,
  • Tomohiro Ogami,
  • Shinichiro Nakano,
  • Yoshifumi Okamoto,
  • Yoshiaki Yamada and
  • Tetsuro Oshika

28 January 2022

The influence of dry eye disease (DED) on ocular biometric measurements is unclear. We aimed to investigate the effect of DED on the repeatability of ocular biometric measurements in cataract patients. Overall, 114 eyes scheduled for cataract surgery...

  • Article
  • Open Access
5 Citations
1,929 Views
13 Pages

29 December 2022

The difference between sampling data and detection data can degrade the performance of space-time adaptive processing (STAP). A jamming algorithm with a non-uniform periodic repeater based on interrupted-sampling is proposed against the reduced dimen...

  • Article
  • Open Access
35 Citations
5,595 Views
12 Pages

Background: Failed kidney transplant recipients benefit from a new graft as the general incident dialysis population, although additional challenges in the management of these patients are often limiting the long-term outcomes. Previously failed graf...

  • Article
  • Open Access
15 Citations
2,960 Views
17 Pages

30 March 2023

The existing research proposes an intra-pulse frequency agile radar waveform with “active” anti-jamming characteristics. It uses the discontinuity and periodicity of the interrupted-sampling repeater jamming and combines the anti-jamming...

  • Article
  • Open Access
10 Citations
3,858 Views
18 Pages

Development of Specific Thinopyrum Cytogenetic Markers for Wheat-Wheatgrass Hybrids Using Sequencing and qPCR Data

  • Ekaterina Nikitina,
  • Victoria Kuznetsova,
  • Pavel Kroupin,
  • Gennady I. Karlov and
  • Mikhail G. Divashuk

The cytogenetic study of wide hybrids of wheat has both practical and fundamental values. Partial wheat-wheatgrass hybrids (WWGHs) are interesting as a breeding bridge to confer valuable genes to wheat genome, as well as a model object that contains...

  • Article
  • Open Access
14 Citations
3,332 Views
18 Pages

Full-Length SMRT Transcriptome Sequencing and SSR Analysis of Bactrocera dorsalis (Hendel)

  • Huili Ouyang,
  • Xiaoyun Wang,
  • Xialin Zheng,
  • Wen Lu,
  • Fengping Qin and
  • Chao Chen

14 October 2021

Bactrocera dorsalis (Hendel), as one of the most notorious and destructive invasive agricultural pests in the world, causes damage to over 250 different types of fruits and vegetables throughout tropical and subtropical areas. PacBio single-molecule...

  • Article
  • Open Access
60 Citations
5,301 Views
16 Pages

8 April 2018

Interrupted sampling repeater jamming (ISRJ) is an effective way of deceiving coherent radar sensors, especially for linear frequency modulated (LFM) radar. In this paper, for a simplified scenario with a single jammer, we propose a dynamic electroni...

  • Communication
  • Open Access
6 Citations
3,579 Views
6 Pages

A Suggested Diagnostic Approach for Sporadic Anthrax in Cattle to Protect Public Health

  • Jana Avberšek,
  • Jasna Mićunović,
  • Vasilij Cociancich,
  • Tomislav Paller,
  • Darja Kušar,
  • Urška Zajc,
  • Matjaž Ocepek,
  • Silvio Špičić,
  • Sanja Duvnjak and
  • Mateja Pate

The repeated occurrence of anthrax in grazing animals should be a reminder of a widespread presence of Bacillus anthracis spores in the environment. Its rapid diagnosis is critical to protect public health. Here, we report a case of anthrax in cattle...

  • Article
  • Open Access
4 Citations
3,182 Views
11 Pages

Reliability of Time-Series Plasma Metabolome Data over 6 Years in a Large-Scale Cohort Study

  • Atsuko Miyake,
  • Sei Harada,
  • Daisuke Sugiyama,
  • Minako Matsumoto,
  • Aya Hirata,
  • Naoko Miyagawa,
  • Ryota Toki,
  • Shun Edagawa,
  • Kazuyo Kuwabara and
  • Miho Iida
  • + 9 authors

22 January 2024

Studies examining long-term longitudinal metabolomic data and their reliability in large-scale populations are limited. Therefore, we aimed to evaluate the reliability of repeated measurements of plasma metabolites in a prospective cohort setting and...

  • Article
  • Open Access
12 Citations
4,957 Views
10 Pages

22 May 2023

Warm-up routines include various tasks focused on the peripheral contractile properties and nervous motor command. This present study was aimed at investigating the acute effects of different warm-up routines, emphasizing either peripheral (post-acti...

  • Article
  • Open Access
1 Citations
4,599 Views
12 Pages

Study on Water Absorption–Dehydration Characteristics for SAP Composite Soil for Rainwater Harvesting

  • Youwei Qin,
  • Tao Yang,
  • Siyuan Wang,
  • Fangling Hou,
  • Pengfei Shi and
  • Zhenya Li

25 August 2020

As a water absorption material, superabsorbent polymer (SAP) has gained its popularity in agriculture and environmental remediations. This study conducted a comparative investigation on saturated water content of cinnamon soil mixed with SAP. Two SAP...

  • Brief Report
  • Open Access
2,115 Views
10 Pages

27 October 2025

Degraded DNA is frequently encountered in biological samples due to mechanisms that favor the decomposition process and thus the fragmentation of DNA due to (extreme) environmental conditions. The reduced size of the DNA fragments may hamper the perf...

  • Article
  • Open Access
9 Citations
5,963 Views
19 Pages

20 July 2016

Cognitive radio can significantly improve the spectrum efficiency, and spectrum handoff is considered as an important functionality to guarantee the quality of service (QoS) of primary users (PUs) and the continuity of data transmission of secondary...

  • Article
  • Open Access
37 Citations
5,878 Views
20 Pages

Detection of New Leptospira Genotypes Infecting Symptomatic Dogs: Is a New Vaccine Formulation Needed?

  • Cristina Bertasio,
  • Maria Beatrice Boniotti,
  • Laura Lucchese,
  • Letizia Ceglie,
  • Laura Bellinati,
  • Matteo Mazzucato,
  • Tommaso Furlanello,
  • Mario D’Incau and
  • Alda Natale

Leptospirosis in dogs has been largely described worldwide, and epidemiological studies have been mainly based on serological data. This study aims to detect and genotype leptospires affecting symptomatic dogs in Northeast Italy between 2013 and 2019...

  • Article
  • Open Access
1 Citations
1,993 Views
22 Pages

An M/G/1 Queue with Repeated Orbit While in Service

  • Gabi Hanukov,
  • Yonit Barron and
  • Uri Yechiali

27 November 2024

Orbit and retrial queues have been studied extensively in the literature. A key assumption in most of these works is that customers “go to orbit” when they are blocked upon arrival. However, real-life situations exist in which customers o...

  • Article
  • Open Access
9 Citations
1,965 Views
17 Pages

Influence of Curing Time on the Mechanical Behavior of Cold Recycled Bituminous Mix in Flexible Pavement Base Layer

  • Lisley Madeira Coelho,
  • Rafael Pereira Kox,
  • Antônio Carlos Rodrigues Guimarães,
  • Rafael Travincas and
  • Sergio Neves Monteiro

28 August 2024

This study examined the mechanical behavior characteristics of cold recycled emulsified asphalt bases with RAP 76% and emulsified asphalt 3%, in different cure time, i.e., 0, 7, 14 and 28 days and evaluated in terms of the resilient modulus (RM) and...

  • Article
  • Open Access
11 Citations
1,468 Views
7 Pages

Real-Time Quantitative Assessment of Accuracy and Precision of Blood Volume Derived from DCE-MRI in Individual Patients during a Clinical Trial

  • Madhava P. Aryal,
  • Choonik Lee,
  • Peter G. Hawkins,
  • Christina Chapman,
  • Avraham Eisbruch,
  • Michelle Mierzwa and
  • Yue Cao

Accuracy and precision of quantitative imaging (QI) metrics should be assessed in real time in each patient during a clinical trial to support QI-based decision-making. We developed a framework for real-time quantitative assessment of QI metrics and...

  • Article
  • Open Access
34 Citations
3,284 Views
22 Pages

28 September 2023

This experimental study investigates the influence of synthetic macro-fibers added in fiber-reinforced concrete (FRC) prismatic specimens on their flexural response and overall cracking performance. Application of a novel structural health monitoring...

  • Article
  • Open Access
658 Views
15 Pages

Repeatability and Reproducibility of a Saccadic Eye Movement Time Test

  • Antonio Ríder-Vázquez,
  • Estanislao Gutiérrez-Sánchez,
  • Daniel Velasco-Olea,
  • Clara Martinez-Perez and
  • María Carmen Sánchez-González

11 October 2025

Background/Objectives: Reliable and objective assessment of saccadic duration is crucial in sports vision, yet standardized clinical tools remain scarce; therefore, this study evaluated the intraobserver and interobserver repeatability of saccadic ti...

  • Article
  • Open Access
45 Citations
10,744 Views
21 Pages

Evaluation of the Adenocarcinoma-Associated Gene AGR2 and the Intestinal Stem Cell Marker LGR5 as Biomarkers in Colorectal Cancer

  • Manuel Valladares-Ayerbes,
  • Moisés Blanco-Calvo,
  • Margarita Reboredo,
  • María J. Lorenzo-Patiño,
  • Pilar Iglesias-Díaz,
  • Mar Haz,
  • Silvia Díaz-Prado,
  • Vanessa Medina,
  • Isabel Santamarina and
  • Luis M. Antón-Aparicio
  • + 2 authors

5 April 2012

We aim to estimate the diagnostic performances of anterior gradient homolog-2 (AGR2) and Leucine-rich repeat-containing-G-protein-coupled receptor 5 (LGR5) in peripheral blood (PB) as mRNA biomarkers in colorectal cancer (CRC) and to explore their pr...

  • Article
  • Open Access
3 Citations
1,697 Views
15 Pages

BLV-CoCoMo Dual qPCR Assay Targeting LTR Region for Quantifying Bovine Leukemia Virus: Comparison with Multiplex Real-Time qPCR Assay Targeting pol Region

  • Sonoko Watanuki,
  • Aronggaowa Bao,
  • Etsuko Saitou,
  • Kazuyuki Shoji,
  • Masaki Izawa,
  • Mitsuaki Okami,
  • Yasunobu Matsumoto and
  • Yoko Aida

16 December 2024

The proviral load (PVL) of the bovine leukemia virus (BLV) is a useful index for estimating disease progression and transmission risk. Real-time quantitative PCR techniques are widely used for PVL quantification. We previously developed a dual-target...

  • Article
  • Open Access
12 Citations
3,647 Views
15 Pages

9 April 2019

The evolutionary dynamics of long terminal repeat (LTR) retrotransposons in tree genomes has remained largely unknown. The availability of the complete genome sequences of the mulberry tree (Morus notabilis) has offered an unprecedented opportunity f...

  • Article
  • Open Access
19 Citations
6,486 Views
13 Pages

Effects of Sprint Interval Training at Different Altitudes on Cycling Performance at Sea-Level

  • Geoffrey Warnier,
  • Nicolas Benoit,
  • Damien Naslain,
  • Sophie Lambrecht,
  • Marc Francaux and
  • Louise Deldicque

18 November 2020

Background: Benefits of sprint interval training performed in hypoxia (SIH) compared to normoxia (SIN) have been assessed by studies mostly conducted around 3000 m of simulated altitude. The present study aims to determine whether SIH at an altitude...

  • Article
  • Open Access
10 Citations
11,360 Views
18 Pages

Effects of Different Caffeine Dosages on Maximal Physical Performance and Potential Side Effects in Low-Consumer Female Athletes: Morning vs. Evening Administration

  • Houda Bougrine,
  • Achraf Ammar,
  • Atef Salem,
  • Khaled Trabelsi,
  • Piotr Żmijewski,
  • Haitham Jahrami,
  • Hamdi Chtourou and
  • Nizar Souissi

11 July 2024

While previous studies have explored a range of factors governing the optimal use of caffeine (CAF) in athletes, limited research has explored how time of day (TOD) affects the ergogenic effects of various CAF dosages on physical performance. This st...

  • Article
  • Open Access
2,416 Views
9 Pages

29 July 2020

It is known that, in quantum theory, measurements may suppress Hamiltonian dynamics of a system. A famous example is the ‘Quantum Zeno Effect’. This is the phenomena that, if one performs the measurements M times asking whether the system...

  • Article
  • Open Access
695 Views
18 Pages

22 April 2025

Fast radio bursts (FRBs) are luminous radio transients with millisecond duration. For some active repeaters, such as FRBs 20121102A and 20201124A, more than a thousand bursts have been detected by the Five-hundred-meter Aperture Spherical radio Teles...

  • Article
  • Open Access
5 Citations
6,083 Views
14 Pages

Stability of Attention Performance of Adults with ADHD over Time: Evidence from Repeated Neuropsychological Assessments in One-Month Intervals

  • Nana Guo,
  • Janneke Koerts,
  • Lara Tucha,
  • Isabel Fetter,
  • Christina Biela,
  • Miriam König,
  • Magdalena Bossert,
  • Carsten Diener,
  • Steffen Aschenbrenner and
  • Anselm B. M. Fuermaier
  • + 2 authors

Neuropsychological assessments of attention are valuable sources of information in the clinical evaluation of adults with attention-deficit/hyperactivity disorder (ADHD). However, it is unclear whether the attention performance of adults with ADHD is...

  • Article
  • Open Access
8 Citations
4,099 Views
20 Pages

25 December 2020

The study presents findings from comparative analyses of high-resolution differential digital elevation models (DEM of Difference—DoD) based on terrestrial laser scanning (TLS) surveys. The research was conducted on the 0.2 km2 Scottbreen valle...

  • Article
  • Open Access
18 Citations
3,585 Views
20 Pages

Identification of Pre-Diagnostic Metabolic Patterns for Glioma Using Subset Analysis of Matched Repeated Time Points

  • Pär Jonsson,
  • Henrik Antti,
  • Florentin Späth,
  • Beatrice Melin and
  • Benny Björkblom

12 November 2020

Here, we present a strategy for early molecular marker pattern detection—Subset analysis of Matched Repeated Time points (SMART)—used in a mass-spectrometry-based metabolomics study of repeated blood samples from future glioma patients an...

  • Article
  • Open Access
7 Citations
2,748 Views
16 Pages

How Weather Affects over Time the Repeatability of Spectral Indices Used for Geological Remote Sensing

  • Harald van der Werff,
  • Janneke Ettema,
  • Akhil Sampatirao and
  • Robert Hewson

13 December 2022

Geologic remote sensing studies often targets surface cover that is supposed to be invariant or only changing on a geological timescale. In terms of surface material characteristics, this holds for rocks and minerals, but only to a lesser degree for...

  • Article
  • Open Access
4 Citations
3,082 Views
13 Pages

Assessment of Somatosensory and Motor Processing Time in Retired Athletes with a History of Repeated Head Trauma

  • Alan J. Pearce,
  • Doug King,
  • Dawson J. Kidgell,
  • Ashlyn K. Frazer,
  • Mark Tommerdahl and
  • Catherine M. Suter

Measurement of the adverse outcomes of repeated head trauma in athletes is often achieved using tests where the comparator is ‘accuracy’. While it is expected that ex-athletes would perform worse than controls, previous studies have shown...

  • Article
  • Open Access
31 Citations
8,967 Views
6 Pages

New Zealand blackcurrant (NZBC) extract increased 16.1 km cycling time trial performance. The aim of the present study was to examine the effect of NZBC extract on 2 × 4 km time trial performance. Ten male cyclists (age: 30 ± 12 years, body mass: 74...

  • Article
  • Open Access
3 Citations
2,700 Views
9 Pages

Isometric Force–Time Curve Assessment: Accuracy, Precision, and Repeatability of a Mobile Application and Portable and Lightweight Device

  • Dario Santos,
  • Alfredo Bravo-Sánchez,
  • Leonardo Alexandre Peyré-Tartaruga,
  • Franco Simini and
  • Rodrigo Zacca

7 October 2024

Strength assessment is one of the main fields in sports performance, physical rehabilitation, physical activity, and health. We aimed to compare maximal voluntary isometric contractions (MVICs) and paired voluntary isometric contractions (VICs) of kn...

  • Article
  • Open Access
484 Views
13 Pages

Generalized Gamma Frailty and Symmetric Normal Random Effects Model for Repeated Time-to-Event Data

  • Kai Liu,
  • Yan Qiao Wang,
  • Xiaojun Zhu and
  • Narayanaswamy Balakrishnan

17 October 2025

Clustered time-to-event data are quite common in survival analysis and finding a suitable model to account for dispersion as well as censoring is an important issue. In this article, we present a flexible model for repeated, overdispersed time-to-eve...

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