Results 51 to 60 of about 216,846 (306)

Comparison of Self-Reported and Accelerometer-Assessed Physical Activity in Older Women. [PDF]

open access: yesPLoS ONE, 2015
Self-reported physical activity measures continue to be validated against accelerometers; however, the absence of standardized, accelerometer moderate-to-vigorous physical activity (MVPA) definitions has made comparisons across studies difficult ...
Eric J Shiroma   +5 more
doaj   +1 more source

Superconductive accelerometer Patent [PDF]

open access: yes, 1966
Superconductive accelerometer employing variable force principle to determine acceleration of ...
Buchhold, T. A.
core   +1 more source

A Comparison of Video and Accelerometer Based Approaches Applied to Performance Monitoring in Swimming. [PDF]

open access: yes, 2009
The aim of this paper is to present a comparison of video- and sensor based studies of swimming performance. The video-based approach is reviewed and contrasted to the newer sensor-based technology, specifically accelerometers based upon Micro-Electro ...
Callaway, Andrew   +2 more
core   +1 more source

Advanced Design for Weakly Coupled Resonators by Automatic Active Optimization

open access: yesAdvanced Materials Technologies, EarlyView.
An Automatic Active Optimization (AAO) strategy integrates machine learning predictors and genetic algorithms in a closed‐loop workflow. By iteratively expanding its dataset with new discoveries, AAO overcomes the limits of conventional methods. This approach finds superior microstructural designs beyond the initial sample space. We demonstrate this on
Wei Yue   +8 more
wiley   +1 more source

Accuracy of Accelerometer-Based Navigation System Perseus for the Tibial Cut in Total Knee Arthroplasty: No Superiority Compared to Mechanical Instrumentation in Current Practice

open access: yesApplied Sciences, 2023
Knee alignment after total knee arthroplasty (TKA) is essential for implant survival. Several studies on accelerometer-based navigation systems have given controversial results, with or without improvement in knee alignment.
Léopold Joseph   +3 more
doaj   +1 more source

Young people's views on accelerometer use in physical activity research : findings from a user involvement investigation [PDF]

open access: yes, 2012
The use of accelerometers to objectively measure physical activity is important in understanding young people's behaviours, as physical activity plays a key part in obesity prevention and treatment.
Callens, Claire   +6 more
core   +3 more sources

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

open access: yesAdvanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu   +8 more
wiley   +1 more source

Angular accelerometer Patent [PDF]

open access: yes, 1967
Strain gage accelerometer for angular acceleration ...
Richard, R. R.
core   +1 more source

Testing self-report time-use diaries against objective instruments in real time [PDF]

open access: yes, 2019
This study provides a new test of time-use diary methodology, comparing diaries with a pair of objective criterion measures: wearable cameras and accelerometers.
Aiden Doherty   +21 more
core   +4 more sources

Respiratory Signal Processing and Analysis Using Flexible Capacitive Sensor Data

open access: yesAdvanced Materials Technologies, EarlyView.
Capacitive pressure sensors based on poly(glycerol sebacate) (PGS) substrates are developed for continuous, non‐invasive respiratory monitoring. Integrated with a signal processing algorithm, they enable accurate tracking of thoracic expansion and retraction.
Bernardo A. Vicente   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy