Showing 81 - 100 results of 287 for search '"accelerometer"', query time: 0.06s Refine Results
  1. 81

    Qualitative and Quantitative Assessment of the SET HASDM Database by Richard J. Licata, Piyush M. Mehta, W. Kent Tobiska, Bruce R. Bowman, Marcin D. Pilinski

    Published 2021-08-01
    “…We then compare density from both models to the CHAllenging Minisatellite Payload (CHAMP) and Gravity Recovery and Climate Experiment (GRACE) accelerometer‐derived density estimates. This comparison shows that HASDM more closely matches the accelerometer‐derived densities with mean absolute differences of 30.93% compared to CHAMP and GRACE‐A, respectively. …”
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  2. 82

    Real‐Time Thermospheric Density Estimation via Two‐Line Element Data Assimilation by David J. Gondelach, Richard Linares

    Published 2020-02-01
    “…In addition, the data assimilation capability of the model is highlighted by assimilating CHAMP accelerometer‐derived density data together with TLE data to obtain more accurate global density estimates. …”
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  3. 83
  4. 84

    The Walk of Guilt: Multimodal Deception Detection from Nonverbal Motion Behaviour by Sharifa Alghowinem, Sabrina Caldwell, Ibrahim Radwan, Michael Wagner, Tom Gedeon

    Published 2024-12-01
    “…Analysing body movement using single modality showed that the visual signal had the highest performance followed by the accelerometer and acoustic signals. Several fusion techniques were explored, including early, late, and hybrid fusion, where hybrid fusion not only achieved the highest classification results, but also increased the confidence of the results. …”
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  5. 85

    A conceptual approach to material detection based on damping vibration-force signals via robot by Ahmad Saleh Asheghabadi, Mohammad Keymanesh, Saeed Bahrami Moqadam, Saeed Bahrami Moqadam, Saeed Bahrami Moqadam, Jing Xu

    Published 2025-02-01
    “…To detect object material, an elastic metal sheet was fixed to a load cell with an accelerometer and a metal appendage positioned above and below its free end, respectively. …”
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  6. 86

    Thermospheric Neutral Density Data Assimilation System Based on the Whole Atmosphere Model During the November 2003 Storm by Ching‐Chung Cheng, Timothy Fuller‐Rowell, Eric K. Sutton, Tzu‐Wei Fang, Jann‐Yenq Liu, Daniel R. Weimer

    Published 2024-10-01
    “…Two different neutral density data sources were examined to enhance the capability of simulating the global thermospheric state. The first were accelerometer estimates of neutral density from the Challenging Mini‐Satellite Payload (CHAMP) satellite. …”
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  7. 87

    Associations of physical activity and sedentary time with cognitive skills in preschoolers: a longitudinal study from preschool to first grade of school by Kirkke Reisberg, Eva-Maria Riso, Liina Animägi, Jaak Jürimäe

    Published 2024-12-01
    “…MVPA and sedentary time were measured by means of accelerometer. Modified Boehm-3 test was used to assess cognitive skills. …”
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  8. 88

    Daily Objective Physical Activity and Sedentary Time in Adults with COPD Using Spirometry Data from Canadian Measures Health Survey by P. Bernard, G. Hains-Monfette, S. Atoui, G. Moullec

    Published 2018-01-01
    “…From the 2007–2013 Canadian Health Measures Survey dataset, accelerometer and prebronchodilator spirometry data were available for 6441 participants, aged 35 to 79. …”
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  9. 89

    InContexto: Multisensor Architecture to Obtain People Context from Smartphones by Gonzalo Blázquez Gil, Antonio Berlanga, José M. Molina

    Published 2012-04-01
    “…Smartphones provide a great set of embedded sensors, such as accelerometer, digital compass, gyroscope, GPS, microphone, and camera. …”
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  10. 90

    Promoting Physical Activity in the Management of Type 2 Diabetes: A Feasibility Study to Develop Intervention Tools for Delivery of Diabetes‐Specific Education by Daniel Crabtree, Sara Bradley, Jenni Connelly, Lynn Bauermeister, Trish Gorely, Sandra MacRury

    Published 2025-01-01
    “…To track physical activity, people with diabetes aimed to wear an accelerometer device for 7 days at baseline, 3 months and 6 months. …”
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  11. 91

    Wearable Smartphone-Based Multisensory Feedback System for Torso Posture Correction: Iterative Design and Within-Subjects Study by Amanda Polin Pereira, Olibario Jose Machado Neto, Valeria Meirelles Carril Elui, Maria da Graca Campos Pimentel

    Published 2025-01-01
    “…This app continuously monitors sagittal and frontal plane changes using the built-in accelerometer sensor, providing multisensory feedback through audio, vibration, and color changes. …”
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  12. 92

    Real-World Parkinson’s Hand Tremor Detection Using Ensemble Learning Techniques by Sungwook Hur, Jieming Zhang, Moon-Hyun Kim, Tai-Myoung Chung

    Published 2025-01-01
    “…Finally, unlike traditional approaches that use uniform feature weighting, our proposed variance adaptive AdaBoost (VA-AdaBoost) algorithm uniquely incorporates accelerometer signal variance to adaptively weight samples for feature training. …”
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  13. 93
  14. 94

    Implementation of a Three-Dimensional Pedometer Automatic Accumulating Walking or Jogging Motions in Arbitrary Placement by Jia-Shing Sheu, Wei-Cian Jheng, Chih-Hung Hsiao

    Published 2014-01-01
    “…This study proposes a method for using a three-axis accelerometer and a single-chip microcontrol unit to implement a three-dimensional (3D) pedometer that can automatically identify walking and running motions. …”
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  15. 95

    Study on a Mathematical Model of the Vibration Transmission Path of Multistage Transmission Gearboxes by Kong Zhaoyi, Li Fan

    Published 2023-02-01
    “…Vibration source, time-varying transmission path and multistage transmission gear vibration frequency characteristics are considered comprehensively, an equivalent time-varying transmission path function from the meshing point to the accelerometer mounted on the ring tooth is proposed and the time-varying transmission path is modeled as having different periodic function of decay amplitude. …”
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  16. 96

    Laser Doppler Vibrometer: Application of DOE/Taguchi Methodologies to Pyroshock Response Spectra by C. J. Litz

    Published 1997-01-01
    “…Resulting conclusions were drawn indicating how these techniques aid in understanding the pyroshock phenomenon with respect to the effects and interrelationships of explosive-charge weight and location on the laser Doppler and contract accelerometer recording systems.…”
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  17. 97

    Recognizing human activities from smartphone sensors using hierarchical continuous hidden Markov models by Charissa Ann Ronao, Sung-Bae Cho

    Published 2017-01-01
    “…We analyze the behavior of the accelerometer and gyroscope signals for each activity through graphs, and with added fine tuning of states and training iterations, the proposed method is able to achieve an overall accuracy of up to 93.18%, which is the best performance among the state-of-the-art classifiers for the problem at hand.…”
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  18. 98

    Design and implementation of wireless multimedia sensor network node based on DSP and binocular vision by Yun-zhou ZHANG, Pei JIANG, Liang GAO, Li-qiang LI

    Published 2014-12-01
    “…In order to meet the requirement of multimedia information acquisition in wireless sensor network,a new wire-less multimedia sensor node is designed and implemented with the high-performance DSP processor as the core.ZigBee module is used to implement the wireless communication.In virtue of the powerful computing ability and peripheral in-terfaces of DSP processor,the multimedia node owns binocular vision and various sensors such as accelerometer.There-fore,it can attain the real-time perception of environmental information and acquire image/video data.Based on the Zig-Bee protocol,the sensor is able to fulfill short-distance wireless communication and monitoring duty in indoor environ-ment.Experimental results show that the multimedia sensor node designed can accurately obtain and handle the syntheti-cal sensing data in real time.It is suitable for the application of wireless multimedia sensor network.…”
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  19. 99

    Screw Performance Degradation Assessment Based on Quantum Genetic Algorithm and Dynamic Fuzzy Neural Network by Xiaochen Zhang, Hongli Gao, Haifeng Huang

    Published 2015-01-01
    “…Two Kistler 8704B100M1 accelerometers and a Kistler 8765A250M5 three-way accelerometer are installed to monitor the degradation trend of screw performance. …”
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  20. 100

    A PEDESTRIAN STEP COUNTING PARAMETER DETECTION METHOD AIDED WITH ANGULAR VELOCITY INFORMAITON by WANG Ping, ZHANG GuangPeng, ZHANG YanShun, HUANG ShuFeng, YAO Juan

    Published 2017-01-01
    “…Then peak signal of vertical accelerometer output is used to detect steps in common. …”
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