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Articles de revues sur le sujet « Measurement burst design »

Auteur : Grafiati

Publié le 10 mars 2023

Mis à jour le 31 juillet 2025

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1

Rast, Philippe, Stuart W. S. MacDonald, and Scott M. Hofer. "Intensive Measurement Designs for Research on Aging." GeroPsych 25, no. 2 (2012): 45–55. http://dx.doi.org/10.1024/1662-9647/a000054.

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Intensive measurement burst designs permit analysis of behavioral and biological processes as they unfold over short and long periods of time and providing the opportunity to identify change from an individual’s normative level of functioning. The measurement burst design permits statistical decomposition of short-term variation and learning effects that overlay normative aging and provide stronger bases for detecting accelerated change due to pathological processes. We provide an overview of design features and analysis of measurement burst data in Project MIND. The objective of intensive mea

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Oravecz, Zita, Nelson Roque, and Martin Sliwinski. "Bayesian Modeling of Cognitive Impairment in the Presence of Retest Effects." Innovation in Aging 4, Supplement_1 (2020): 566. http://dx.doi.org/10.1093/geroni/igaa057.1870.

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Abstract Diagnosing the early onset of neuropathologies, such as mild cognitive impairment (MCI), requires repeated evaluation of cognitive skills several times per year -- a measurement design known as a “burst design.” Detecting the often subtle cognitive decline in the presence of retest effects requires careful statistical modeling. The double exponential model offers a modeling framework to account for retest gains across measurement bursts, as well as warm-up effects within a burst, while quantifying change across bursts in peak performance. This talk highlights how a Bayesian multilevel

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Alessandri, Guido, Evelina De Longis, and Gianluca Cepale. "Emotional inertia emerges after prolonged states of exhaustion: Evidences from a measurement burst study." Motivation and Emotion 45, no. 4 (2021): 518–29. http://dx.doi.org/10.1007/s11031-021-09884-4.

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AbstractExhaustion refers to the feeling of ongoing loss of emotional, physical and cognitive resources. The present study draws on the Conservation of Resources Theory to examine the relationship between chronic exhaustion and negative emotional inertia among 206 employees (aged between 19 and 50 years; M = 21.03; SD = 2.98), in a naturalistic setting. To this purpose, we used a measurement burst design with two intensive bursts—spaced 1 month apart—by repeatedly sampling exhaustion and negative affect with 18 daily diaries (a morning and an evening assessment each day) per burst. After contr

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Luong, Gloria. "SOCIAL SUPPORT–HEALTH LINKAGES DURING A MAJOR LIFE EVENT: A NEW SPIN ON STRESS-BUFFERING EFFECTS." Innovation in Aging 7, Supplement_1 (2023): 585–86. http://dx.doi.org/10.1093/geroni/igad104.1916.

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Abstract Supportive social relationships are posited to confer benefits to longer-term health and well-being, and may be especially protective in the face of adversity, when people can draw on these resources to cope with stressful events (stress buffering effects). Yet, most previous studies have used retrospective, cross-sectional designs, limiting the ability to delineate how the linkages between social support and health may change prospectively as people anticipate and prepare for an upcoming stressor, such as relocating into a senior housing facility and adjusting to the experiences afte

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Rodionova, Kristina, Tilmann Ditting, Nada Cordasic, et al. "A NOVEL METHOD FOR THE ANALYSIS OF RENAL SYMPATHETIC NERVE ACTIVITY FROM MULTI-FIBER NERVE RECORDINGS." Journal of Hypertension 42, Suppl 1 (2024): e247. http://dx.doi.org/10.1097/01.hjh.0001022008.07100.49.

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Objective: Measurement of renal sympathetic nerve activity (RSNA) via bipolar electrodes from multi-fiber preparations in various species has been used for decades in the context of autonomic regulation research. Traditionally, raw neurograms are usually integrated over short time intervals and this approach works perfectly for the analysis of dynamic RSNA changes due to acute intervention. However, comparability of baseline activities between groups is limited. We present a novel analysis method, based on the raw neurogram sampled at rate of 25 kHz. Design and method: For RSNA-burst analysis

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Harrington, Karra, Nelson Roque, and Jacqueline Mogle. "Approaches for Modeling of Intensive Longitudinal Data to Understand Cognitive Aging." Innovation in Aging 4, Supplement_1 (2020): 565. http://dx.doi.org/10.1093/geroni/igaa057.1867.

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Abstract Understanding age-related change in cognition and identification of pathological changes requires sensitive and valid measurement of cognitive performance across time. Technological advances, such as ambulatory assessment of cognition using smartphones, have enabled intensive longitudinal methods where data is collected with many measurements over time. Our research group has developed novel ambulatory assessments that provide reliable, sensitive, and ecologically valid measurement of cognition across multiple timescales; from momentary changes to change across years. This symposium w

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Kang, Jee-eun, Karra Harrington, and Martin Sliwinski. "Loneliness and Cognitive Functioning Over Time: Using Ambulatory Cognitive Assessment." Innovation in Aging 4, Supplement_1 (2020): 566. http://dx.doi.org/10.1093/geroni/igaa057.1869.

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Abstract Loneliness has been investigated as a risk factor for cognitive health, but results were inconsistent. This study used three measurement bursts of ambulatory cognitive assessment to determine whether loneliness affects longitudinal changes in cognitive functioning in daily life. At each burst, participants performed cognitive assessment five times a day for 14 days. 138 adults (Mage=49.4) who completed all three bursts were included in this study. Growth curve modeling showed that, on average, scores of cognitive functioning were improved across a 2 year period (p&lt;.001). The ch

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Chang, Yaw-Jen, Shia-Chung Chen, and Cheng-Li Hsu. "Study on Microchannel Design and Burst Frequency Detection for Centrifugal Microfluidic System." Advances in Materials Science and Engineering 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/137347.

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A centrifugal microfluidic system has been developed in this study, enabling the control and measurement of the burst frequency in order to manipulate the liquid. The radial microfluid chips with different microchannel dimensions were designed for simulation analyses and experimental verifications. The microfluidic flow in the microchannel was analyzed using software CFDRC, providing an accurate result compared with that from experiment. The results show that the design of the overflow microchannel can correctly keep the liquid volume with error as low as 5%. For mercurochrome, the burst frequ

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Zha, Bing Ting, He Zhang, and Xiang Jin Zhang. "System for Measuring the Burst Point Time Base on APD." Advanced Materials Research 860-863 (December 2013): 2838–41. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.2838.

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Aiming at the burst point time measuring device cannot timely show the burst point time measurement situation, a new measuring system was designed. The pulse signal when the ammo was outing of the muzzle and exploding was detected by APD, the light pulse was converted to voltage pulse through an amplifying circuit. The timing display module was designed, the timing circuit got the voltage pulse and timing, and then the burst point time would show on LCD. All the photoelectric detector module was fixed with the special mechanical properties. The system could increase the maximum detection dista

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Holtzer, Roee, Frederick Foley, Vanessa D’Orio, Jessica Spat, Melissa Shuman, and Cuiling Wang. "Learning and cognitive fatigue trajectories in multiple sclerosis defined using a burst measurement design." Multiple Sclerosis Journal 19, no. 11 (2013): 1518–25. http://dx.doi.org/10.1177/1352458513477922.

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Background: Compromised learning and cognitive fatigue are critical clinical features in multiple sclerosis. Objectives: This study was designed to determine the effect of repeated exposures within and across study visits on performance measures of learning and cognitive fatigue in relapsing–remitting multiple sclerosis (RRMS). Methods: Thirty patients with RRMS and 30 controls were recruited. Using a burst measurement design (i.e. repeated assessments within and across study visits) the oral version of the Symbol Digit Modalities Test (SDMT) was administered three times during the baseline an

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Antunes, André, Bruno Ferreira, Nuno Marques, and Nelson Carriço. "Hyperparameter Optimization of a Convolutional Neural Network Model for Pipe Burst Location in Water Distribution Networks." Journal of Imaging 9, no. 3 (2023): 68. http://dx.doi.org/10.3390/jimaging9030068.

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The current paper presents a hyper parameterization optimization process for a convolutional neural network (CNN) applied to pipe burst locations in water distribution networks (WDN). The hyper parameterization process of the CNN includes the early stopping termination criteria, dataset size, dataset normalization, training set batch size, optimizer learning rate regularization, and model structure. The study was applied using a case study of a real WDN. Obtained results indicate that the ideal model parameters consist of a CNN with a convolutional 1D layer (using 32 filters, a kernel size of

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Patrick, Megan E., Jennifer L. Maggs, and Eva S. Lefkowitz. "Daily Associations Between Drinking and Sex Among College Students: A Longitudinal Measurement Burst Design." Journal of Research on Adolescence 25, no. 2 (2014): 377–86. http://dx.doi.org/10.1111/jora.12135.

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Cho, Dalnim, Michael Roth, Susan K. Peterson, et al. "Associations Between Stress, Health Behaviors, and Quality of Life in Young Couples During the Transition to Survivorship: Protocol for a Measurement Burst Study." JMIR Research Protocols 13 (April 23, 2024): e53307. http://dx.doi.org/10.2196/53307.

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Background Cancer is a life-threatening, stressful event, particularly for young adults due to delays and disruptions in their developmental transitions. Cancer treatment can also cause adverse long-term effects, chronic conditions, psychological issues, and decreased quality of life (QoL) among young adults. Despite numerous health benefits of health behaviors (eg, physical activity, healthy eating, no smoking, no alcohol use, and quality sleep), young adult cancer survivors report poor health behavior profiles. Determining the associations of stress (either cancer-specific or day-to-day stre

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Elavsky, Steriani, Jana Blahošová, Michaela Lebedíková, et al. "Researching the Links Between Smartphone Behavior and Adolescent Well-being With the FUTURE-WP4 (Modeling the Future: Understanding the Impact of Technology on Adolescent’s Well-being Work Package 4) Project: Protocol for an Ecological Momentary Assessment Study." JMIR Research Protocols 11, no. 3 (2022): e35984. http://dx.doi.org/10.2196/35984.

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Background Smartphone ownership has increased among teens within the last decade, with up to 89% of adolescents owning a smartphone and engaging daily with the online world through it. Although the results of recent meta-analyses suggest that engaging digital technology plays only a small role in adolescent well-being, parents, professionals, and policymakers remain concerned about the impact that the instant connectivity of smartphones has on adolescent well-being. Objective Herein, we introduce the protocol of a research study investigating the associations between adolescent smartphone use

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Griffin, Jamie, and Megan E. Patrick. "Understanding Participation in a Web-Based Measurement Burst Design: Response Metrics and Predictors of Participation." Survey Practice 8, no. 3 (2015): 1–11. http://dx.doi.org/10.29115/sp-2015-0011.

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Duy, Nguyen Ngoc, та Le Hong Khiem. "Feasibility Study of Direct Measurement of Stellar Reaction ²²Mg(α,p)²⁵Al". Communications in Physics 21, № 2 (2011): 169. http://dx.doi.org/10.15625/0868-3166/21/2/114.

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The stellar reaction 22Mg(α,p)25Al plays an important role for understanding the nucleosynthesis of stars. It has never investigated yet. We are planning to study this reaction in environment of X-rays burst with temperature T9 = 1÷3 GK using invert kinematics and thick target method. This paper shows a design for direct investigation of this reaction by simulation method. This design is necessary for experimental setup and for confirmation of the feasibility of the experiment.

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Zeinalov, Shakir, Olga Sidorova, Pavel Sedyshev, Valery Shvetsov, Youngseok Lee, and Uk-Won Nam. "Thermal neutron intensity measurement with fission chamber in current, pulse and Campbell modes." EPJ Web of Conferences 231 (2020): 05009. http://dx.doi.org/10.1051/epjconf/202023105009.

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In thermal nuclear reactors, most of the power is generated by thermal neutron induced fission. Therefore, fission chambers with targets that respond directly to slow neutrons are of great interest for thermal neutron flux measurements due to relatively low sensitivity to gamma radiation. However, the extreme conditions associated with experiments at very low cross section demand highly possible thermal neutron flux, leading often to substantial design changes. In this paper we report design of a fission chamber for wide range (from 10 to 1012 n/cm2 sec) measurement of thermal neutron flux. Te

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Pfund, Gabrielle, Mathias Allemand, and Matthias Hofer. "Daily Social Interactions as a Route to Purposeful Days in Older Adulthood." Innovation in Aging 5, Supplement_1 (2021): 212–13. http://dx.doi.org/10.1093/geroni/igab046.820.

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Abstract Sense of purpose predicts slower cognitive decline, reduced risk for health issues, and greater longevity (Pfund & Lewis, 2020). However, work is limited regarding how we can help older adults maintain purposefulness in daily life. The current study explored positive daily social interactions as a route to daily purposefulness in older adults, using a measurement burst design. Older adults completed surveys for five-day bursts spread six months apart (Mean age = 70.75, SD = 7.23; n = 104). Multilevel models demonstrated that on days when individuals reported more positive social i

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Hakun, Jonathan G., Nelson A. Roque, Courtney R. Gerver, and Eric S. Cerino. "Ultra-brief Assessment of Working Memory Capacity: Ambulatory Assessment Study Using Smartphones." JMIR Formative Research 7 (January 27, 2023): e40188. http://dx.doi.org/10.2196/40188.

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Background The development of mobile technology with substantial computing power (ie, smartphones) has enabled the adaptation of performance-based cognitive assessments to remote administration and novel intensive longitudinal study designs (eg, measurement burst designs). Although an “ambulatory” cognitive assessment paradigm may provide new research opportunities, the adaptation of conventional measures to a mobile format conducive to intensive repeated measurement involves balancing measurement precision, administration time, and procedural consistency. Objective Across 3 studies, we adapte

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Hassenstab, Jason. "1 What Can we Learn from High Frequency Smartphone-Based Cognitive Assessments?" Journal of the International Neuropsychological Society 29, s1 (2023): 205–6. http://dx.doi.org/10.1017/s1355617723003119.

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Objective:Smartphone-based cognitive assessments can provide unique information about cognition that is difficult or impossible with traditional cognitive assessments. Using high-frequency measurement “burst” designs, we have shown that older adults are capable and willing to participate in smartphone-based research, that this method dramatically improves between-subject reliability compared to traditional methods and demonstrates extraordinary test-retest reliabilities, and that high-frequency measurement can reveal time of day effects that are increased in those with elevated Alzheimer’s dis

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Tamburri, Nicholas, Cynthia McDowell, and Stuart MacDonald. "DISSOCIATING RETEST EFFECTS FROM DEVELOPMENTAL CHANGE FOR PREDICTING COGNITIVE STATUS." Innovation in Aging 6, Supplement_1 (2022): 652–53. http://dx.doi.org/10.1093/geroni/igac059.2410.

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Abstract In longitudinal designs, unadjusted retest effects can confound developmental change estimates. This study utilized a measurement burst design and three-level multilevel modeling to a) independently parameterize short-term retest and long-term developmental change and b) employ these estimates as predictors of cognitive status at long-term follow-ups. Using data from Project MIND , participants (N=304; aged 64-92 years) were assessed across biweekly sessions nested within annual bursts (spanning up to 17 total assessments over four years). Cognitive impairment no dementia (CIND) statu

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Sharma, Mithun, Sanjeev P. Sahni, and Shilpi Sharma. "Validating a destructive measurement system using Gauge R&R — a case study." Engineering Management in Production and Services 11, no. 4 (2019): 34–42. http://dx.doi.org/10.2478/emj-2019-0031.

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Abstract The research study aims to evaluate the precision of the measurement system using Gauge R&R. An experimental research design adopting a positivist empirical approach with deductive strategy was followed to assess the effectiveness of Crossed Gauge R&R technique for validating a measurement system using destructive testing. Crossed Gauge R&R technique in Minitab was found to be highly effective in quantifying different components of measurement variation relative to process variation. Clue generation from the Crossed Gauge R&R study combined with manufacturing and measu

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Liu, Shuang, Genjian Qin, Jinsong Li, Binglong Chen, Bang Liu, and Dong Li. "Overall Design of Fine Guidance Sensor in Attitude Determination for the SVOM Satellite." Journal of Physics: Conference Series 2220, no. 1 (2022): 012010. http://dx.doi.org/10.1088/1742-6596/2220/1/012010.

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Abstract SVOM is a Sino-French cooperation project aiming at Gamma Ray Burst observation. From the top level requirement, during the observation period, the satellite platform should provide a stability of better than 1.6 arcsec/100s. Based on this severe requirement, a high precision attitude measurement device is strongly demanded. This article describes the overall design of a novel optical sensor, called Fine Guidance Sensor, for the SVOM Satellite. First, the functional and performance requirements are presented, including the extremely high measuring precision of 0.3 arcsec in y/z-axis.

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Vallabhapurapu, Hyma Harish, and V. V. Srinivasu. "Galactic Distance Measurement System Design Using a High- $T_c$ Josephson Junction Array for RF Burst Detection in Space." IEEE Transactions on Applied Superconductivity 25, no. 5 (2015): 1–4. http://dx.doi.org/10.1109/tasc.2015.2470688.

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Dubberke, Frithjof H., Elmar Baumhögger, and Jadran Vrabec. "Burst design and signal processing for the speed of sound measurement of fluids with the pulse-echo technique." Review of Scientific Instruments 86, no. 5 (2015): 054903. http://dx.doi.org/10.1063/1.4921478.

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Farhangian, Farzan, and René Landry. "Multi-Constellation Software-Defined Receiver for Doppler Positioning with LEO Satellites." Sensors 20, no. 20 (2020): 5866. http://dx.doi.org/10.3390/s20205866.

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A Multi-Constellation Software-Defined Receiver (MC-SDR) is designed and implemented to extract the Doppler measurements of Low Earth Orbit (LEO) satellite’s downlink signals, such as Orbcomm, Iridium-Next, Globalstar, Starlink, OneWeb, SpaceX, etc. The Doppler positioning methods, as one of the main localization algorithms, need a highly accurate receiver design to track the Doppler as a measurement for Extended Kalman Filter (EKF)-based positioning. In this paper, the designed receiver has been used to acquire and track the Doppler shifts of two different kinds of LEO constellations. The ext

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Zhou, Huanyin, Feiyan Xu, Yanhui Xie, Zhanzhan Lu, Feifei Wu, and Huanting Hu. "Study on gamma spectrum measurement of high-dose-rate radiation." Journal of Physics: Conference Series 2770, no. 1 (2024): 012015. http://dx.doi.org/10.1088/1742-6596/2770/1/012015.

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Abstract Currently, spectrometers are almost used for spectrum measuring of low-dose-rate radiation. Therefore, the sensitive volume of the spectrometer detector is usually big, and the width of the nuclear pulse is often wide. The pulse throughput of the spectrometer does not have to be very high. However, if a nuclear accident or a nuclear burst occurs, the dose rate will be high. When we measure the spectrum of the radiation, pulses output from the spectrometer detector will pile up seriously. The current spectrometer cannot meet the needs of high-dose-rate radiation energy spectrum measure

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Linden-Carmichael, Ashley N., Brian H. Calhoun, Megan E. Patrick, and Jennifer L. Maggs. "Are protective behavioral strategies associated with fewer negative consequences on high-intensity drinking days? Results from a measurement-burst design." Psychology of Addictive Behaviors 32, no. 8 (2018): 904–13. http://dx.doi.org/10.1037/adb0000421.

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Wang, M., Z. Bian, Y. Wang, et al. "A 64-channel high-time resolution digital waveform sampling electronic system based on DRS4 for positron burst annihilation lifetime measurement." Journal of Instrumentation 17, no. 10 (2022): T10001. http://dx.doi.org/10.1088/1748-0221/17/10/t10001.

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Abstract Measurements of the positron burst annihilation lifetime place high demand on the time discrimination of electronics. DRS4 chips based on switched capacitor array technology (SCA) are used to develop an electronic system with a total (2048 + 256)-channel sampling rate up to 5.12 GSPS, which can provide better time resolution and flexible data processing. The electronic system is modular in design and includes a front-end waveform sampling module (WSM) with 32 waveform sampling boards, each with 64 input channels plus 8 additional channels(one per DRS4 chip) for time calibaion, in addi

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Lake, Tom, David Glasby, Jose Horrillo-Caraballo, et al. "low-cost, high-fidelity converging-beam Doppler instrument for measuring velocity and turbulence at tidal energy sites." International Marine Energy Journal 7, no. 1 (2024): 11–24. http://dx.doi.org/10.36688/imej.7.11-24.

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Traditional Acoustic Doppler Current Profiler (ADCP) instruments measure marine flow velocities along diverging acoustic beams. This allows estimation of approximate mean velocity and turbulence at a point between the beams. Alternatively, a converging beam instrument can measure velocity components at a single point and hence provide a higher quality measurement. Here we show a new design of instrument with converging beams together with some preliminary flow measurement results. The instrument is constructed around a triangular frame with Doppler transceivers on the ends of cable stayed arms

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Wang, Qian, Ziying Mo, Benle Yin, Lianming Zhang, and Pingping Dong. "Bounding the Upper Delays of the Tactile Internet Using Deterministic Network Calculus." Electronics 12, no. 1 (2022): 21. http://dx.doi.org/10.3390/electronics12010021.

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With the increasing popularity of time-sensitive network applications and the gradual integration of the Tactile Internet into people’s lives, how to ensure ultra-low latency has become a demand and challenge for network performance. Therefore, it is extremely important to analyze the performance of the Tactile Internet. In this paper, we propose an analytical model based on deterministic network calculus (DNC) to quantitatively derive the end-to-end performance bounds of the Tactile Internet, develop a tandem model describing the communication of the Tactile Internet network, and analyze dela

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Röcke, Christina, Christiane A. Hoppmann, and Petra L. Klumb. "Correspondence Between Retrospective and Momentary Ratings of Positive and Negative Affect in Old Age: Findings From a One-Year Measurement Burst Design." Journals of Gerontology: Series B 66B, no. 4 (2011): 411–15. http://dx.doi.org/10.1093/geronb/gbr024.

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McNeil, Jessica, Krista G. Clark, William M. Adams, et al. "Sleep, Health Outcomes and Body Weight (SHOW) study: a measurement burst design study on sleep and risk factors for obesity in black emerging adults in North Carolina, USA." BMJ Open 14, no. 7 (2024): e087950. http://dx.doi.org/10.1136/bmjopen-2024-087950.

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Introduction Black emerging adults (18–28 years) have the highest risk of short sleep duration and obesity. This increased risk may be partly explained by greater stress levels, which may result from race-related stress (racial discrimination and heightened race-related vigilance) or living in more disadvantaged home and neighbourhood environments. Insufficient sleep may also impact obesity risk via several weight-related mechanisms including energy balance, appetite and food reward, cortisol profiles and hydration status. This paper describes the rationale, design and methods for the Sleep, H

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Salthouse, Timothy A. "Robust Cognitive Change." Journal of the International Neuropsychological Society 18, no. 4 (2012): 749–56. http://dx.doi.org/10.1017/s1355617712000380.

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AbstractTwo major challenges facing researchers interested in cognitive change are that measures of change are often not very reliable, and they may reflect effects of prior test experience in addition to the factors of primary interest. One approach to dealing with these problems is to obtain multiple measures of change on parallel versions of the same tests in a measurement burst design. A total of 783 adults performed three parallel versions of cognitive tests on two occasions separated by an average of 2.6 years. Performance increased substantially across the three sessions within each occ

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Gerlach, Martin Enno, Maximilian Zajonc, and Bernd Ponick. "Mechanical stress and deformation in the rotors of a high-speed PMSM and IM." e & i Elektrotechnik und Informationstechnik 138, no. 2 (2021): 96–109. http://dx.doi.org/10.1007/s00502-021-00866-5.

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AbstractHigh-speed electric machines are gaining importance in the field of traction drives and aviation due to their high power density. The evaluation of the mechanical stress in the rotor is one crucial part in the design process for this type of machines. The mechanical stress cannot be measured directly. Accordingly, a validation of the calculated mechanical stress is difficult and normally not performed. Instead of the mechanical stress, the deformation at the rotor surface can be measured using a spin test machine with distance sensors. The deformation can then be used to validate the c

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Houben, Marlies, and Peter Kuppens. "Emotion Dynamics and the Association With Depressive Features and Borderline Personality Disorder Traits: Unique, Specific, and Prospective Relationships." Clinical Psychological Science 8, no. 2 (2019): 226–39. http://dx.doi.org/10.1177/2167702619871962.

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Patterns of emotional change in daily life have been consistently linked to depressive and borderline personality disorder (BPD) features. However, dynamic measures and average affect show considerable statistical overlap, and depressive and BPD features are comorbid. Moreover, the prospective nature of these relationships is unclear. We used a measurement burst design in which 202 young adults with varying levels of psychopathological features participated in a week-long experience sampling at baseline and 1-year follow-up. Taking overlap into account, we found that BPD traits were uniquely a

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Lizunov, A., T. Berbasova, A. Khilchenko, et al. "High resolution Thomson scattering diagnostic for measurements of radial profiles of electron temperature and density in the gas dynamic trap." Review of Scientific Instruments 94, no. 3 (2023): 033509. http://dx.doi.org/10.1063/5.0123329.

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The incoherent Thomson scattering diagnostic with multiple lines of sight is installed at the gas dynamic trap (GDT) for measurements of radial profiles of the plasma electron temperature and density. The diagnostic is built on the Nd:YAG laser operating at 1064 nm. The laser input beamline is provided with an automatic system for alignment status monitoring and correction. The collecting lens uses ∼90° scattering geometry having 11 lines of sight in total. Presently, six of them (covering the full plasma radius from the axis to the limiter) are equipped with high etendue (f/2.4) interference

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Buhr, Lilly, Tomasz Moschko, Anne Eppinger Ruiz de Zarate, Ulrike Schwarz, Jan Kühnhausen, and Caterina Gawrilow. "The Association of Self-Reported ADHD Symptoms and Sleep in Daily Life of a General Population Sample of School Children: An Inter- and Intraindividual Perspective." Brain Sciences 12, no. 4 (2022): 440. http://dx.doi.org/10.3390/brainsci12040440.

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Sleep and Attention-Deficit/Hyperactivity Disorder (ADHD) have repeatedly been found to be associated with each other. However, the ecological validity of daily life studies to examine the effect of sleep on ADHD symptoms is rarely made use of. In an ambulatory assessment study with measurement burst design, consisting of three bursts (each 6 months apart) of 18 days each, 70 German schoolchildren aged 10–12 years reported on their sleep quality each morning and on their subjective ADHD symptom levels as well as their sleepiness three times a day. It was hypothesized that nightly sleep quality

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Silva, Bárbara Cristiane Sordi, Lilian Cássia Bórnia Jacob-Corteletti, Tyuana Sandim da Silveira Sassi, Juliana Nogueira Chaves, Eliene Silva Araújo, and Kátia de Freitas Alvarenga. "Contralateral Masking in the Measurement of Auditory Brainstem Responses with Air-Conducted Tone Burst Stimuli in Individuals with Unilateral Hearing Loss." Journal of the American Academy of Audiology 32, no. 04 (2021): 254–60. http://dx.doi.org/10.1055/s-0041-1722985.

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Abstract Background Contralateral noise masking is an important aspect of auditory brainstem response (ABR) measurements. Purpose The primary aim of this study is to determine how contralateral white noise (WN) masking influences the amplitude and the latency of V wave generated during ABR measurements, using tone burst (TB), in adult ears with normal hearing (NH). The secondary aim of this study is to ascertain the need of contralateral masking in ABR measurements with the TB stimuli using a 3A insertion earphone, and to propose the applicability of WN masking in unilateral sensorineural hear

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YUAN, SHOUCAI, and YAMEI LIU. "DUAL THRESHOLD VOLTAGE DOMINO ADDER DESIGN WITH PASS TRANSISTOR LOGIC USING STANDBY SWITCH FOR REDUCING SUB-THRESHOLD LEAKAGE CURRENT." Journal of Circuits, Systems and Computers 23, no. 03 (2014): 1450043. http://dx.doi.org/10.1142/s0218126614500431.

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Standby switch can strongly turn off all the high threshold voltage transistors, which enhances the effectiveness of a dual threshold voltage CMOS technology to reduce sub-threshold leakage current. Sub-threshold leakage currents are especially important in burst mode type integrated circuits where the system is in an idle mode in the majority of the time. The standby switch allows a domino system to enter and leave a low leakage standby mode within a single clock cycle. In addition, we combine domino dynamic logic with pass transistor XNOR and pass transistor NAND gates to achieve logic 1 out

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Oravecz, Zita, Joachim Vandekerckhove, Cuiling Wang, Mindy Katz, Jonathan Hakun, and Martin Sliwinski. "FEATURES OF LEARNING FROM HIGH-FREQUENCY COGNITIVE ASSESSMENTS AS DIGITAL BIOMARKERS OF COGNITIVE CHANGE." Innovation in Aging 7, Supplement_1 (2023): 627. http://dx.doi.org/10.1093/geroni/igad104.2043.

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Abstract In measurement burst designs, participants’ cognitive performance is measured multiple times per day, for several days, forming a measurement burst. Ideally, these are repeated once or twice a year as people age. Such rich longitudinal data are generated by multiple processes (e.g., aging and learning) that operate on multiple timescales. We propose a Bayesian process model that can extract person-specific, substantively meaningful features of learning and change from such data. We show how to model retest gains across measurement bursts, as well as warm-up effects within a burst, whi

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Roche, Remi, and Fatma Yalcinkaya. "Incorporation of PVDF Nanofibre Multilayers into Functional Structure for Filtration Applications." Nanomaterials 8, no. 10 (2018): 771. http://dx.doi.org/10.3390/nano8100771.

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Membranes are considered as a promising technology for separation and filtration processes. Here, novel polyvinylidene fluoride (PVDF) nanofibrous multilayer membranes were fabricated by wire-based industrial electrospinning equipment following by a lamination process. The lamination process was optimised under various applied temperature, force of lamination, and lamination time. Air permeability and burst-pressure tests were run to determine the optimum membranes for filtration application. The structures of the prepared membranes were characterised by scanning electron microscopy and pore-s

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Yang, Ting-Ting, Yuan-Zheng Cheng, Meng Qin, et al. "Thermosensitive Chitosan Hydrogels Containing Polymeric Microspheres for Vaginal Drug Delivery." BioMed Research International 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/3564060.

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Thermosensitive hydrogels have increasingly received considerable attention for local drug delivery based on many advantages. However, burst release of drugs is becoming a critical challenge when the hydrogels are employed. Microspheres- (MS-) loaded thermosensitive hydrogels were thus fabricated to address this limitation. Employing an orthogonal design, the spray-dried operations of tenofovir (TFV)/Bletilla striata polysaccharide (BSP)/chitosan (CTS) MS were optimized according to the drug loading (DL). The physicochemical properties of the optimal MS (MS F) were characterized. Depending on

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Layland, Eric K., Brian H. Calhoun, Michael A. Russell, and Jennifer L. Maggs. "Is Alcohol and Other Substance Use Reduced When College Students Attend Alcohol-Free Programs? Evidence from a Measurement Burst Design Before and After Legal Drinking Age." Prevention Science 20, no. 3 (2018): 342–52. http://dx.doi.org/10.1007/s11121-018-0877-6.

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Dille, Marilyn F., Roger M. Ellingson, Garnett P. McMillan, and Dawn Konrad-Martin. "ABR Obtained from Time-Efficient Train Stimuli for Cisplatin Ototoxicity Monitoring." Journal of the American Academy of Audiology 24, no. 09 (2013): 769–81. http://dx.doi.org/10.3766/jaaa.24.9.2.

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Background: Nonbehavioral methods for identifying cisplatin ototoxicity are important for testing patients with cancer who become too tired or sick to provide a reliable response. The auditory brainstem response (ABR) is a nonbehavioral test that is sensitive to ototoxicity but can be time consuming to implement over a range of frequencies and/or levels. To address this issue, trains of stimuli were developed that offer reliable ABR testing over a range of tone-burst frequencies and levels at a time savings of 77% relative to tone-burst stimuli presented individually. The clinical accuracy of

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Zhang, Yuezheng, Hongguang Ji, and Hanhua Xu. "Study on the Law of Rock Anelastic Recovery and the Characteristics of In Situ Stress Field of 2000 m Deep Stratum in Metal Mines of Coastal Area." Advances in Materials Science and Engineering 2022 (April 12, 2022): 1–11. http://dx.doi.org/10.1155/2022/2152814.

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In situ stress field in deep strata is dominated by self-weight stress and tectonic stress, which is the dynamic source of a series of mining dynamic disasters such as rock burst, mine earthquake, and collapse. To develop deep resources and build deep engineering construction, the distribution characteristics of the in situ stress field must first be ascertained, so as to provide a basic basis for the engineering surrounding rock support design and disaster risk prevention and control. In this paper, taking the Sanshandao Gold Mine in the coastal area as the engineering background, in the earl

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Ruiz, John M., Daniel J. Taylor, Bert N. Uchino, et al. "Evaluating the longitudinal risk of social vigilance on atherosclerosis: study protocol for the North Texas Heart Study." BMJ Open 7, no. 8 (2017): e017345. http://dx.doi.org/10.1136/bmjopen-2017-017345.

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IntroductionPsychosocial factors are increasingly recognised as important determinants of cardiovascular disease risk. The North Texas Heart Study aims to understand the mechanisms responsible for this association with a focus on social vigilance (ie, scanning the environment for social threats). There is also growing interest in supplementing traditional methods (eg, survey assessment of psychosocial risk paired with cross-sectional and longitudinal health outcomes) with daily or repeated momentary assessment of psychosocial factors. However, there are relatively few longitudinal studies dire

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Almeida, David, and Daniel Mroczek. "Stress Processes Over 2 Decades: Findings From the National Study of Daily Experiences." Innovation in Aging 5, Supplement_1 (2021): 213. http://dx.doi.org/10.1093/geroni/igab046.822.

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Abstract Daily experiences of stress and the associated sequelae of affective and physiological changes represent the multiple dimensions of a complex, time-dependent process of how stressors unfold in daily life. Daily diaries capture these time-sensitive processes as they occur under real world conditions. Longitudinal changes in stress processes can then be tracked using a measurement burst design: daily diaries repeated longitudinally. Using this design, the National Study of Daily Experiences (NSDE) has generated more than 35,000 days of data from a national sample of over 2,500 adults as

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Wang, Yifan, Kefu Liu, Xiaowei Xiang, Caihui Zhu, and Hao Wang. "The impedance analysis of small intestine fusion by pulse source." Open Life Sciences 15, no. 1 (2020): 808–18. http://dx.doi.org/10.1515/biol-2020-0082.

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AbstractThe radiofrequency-induced intestine fusion has been widely studied as an alternative for traditional suture in surgery, but fusion quality cannot be evaluated directly. Impedance measurement can evaluate fusion quality, but the relation between impedance and the fusion quality needs optimization for best results. The present study reports the optimum resistance of small intestine fusion. As the feedback signal, resistance was considered the indicator of the fusion completion for the device design of intestine fusion and an in-depth study of microstructure change. A self-design pulse s

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Wang, Hao, Yu Wang, Shuang Zhao, Lan-ping Wang, and Hui An. "The transnational comparative study on the potential risks and efficiency of commercial banks based on the weight-limited DEA model." China Finance Review International 8, no. 4 (2018): 441–52. http://dx.doi.org/10.1108/cfri-06-2017-0126.

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Purpose The purpose of this paper is to calculate the bank efficiency of removing potential risks that are hidden from the extreme portfolio of bank’s assets and further compare the differences and causes of bank’s efficiency and potential risk level between China’s representative banks and OECD representative banks in 2011-2015. Design/methodology/approach Based on the weight-limited DEA model, this paper calculates the bank’s efficiency and further compares the differences between China’s representative banks and OECD representative banks by using commercial banks’ transnational data. Findin

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