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Membrane-Based Optomechanical Accelerometry
Physical Review Applied, 2023 Optomechanical accelerometers promise quantum-limited readout, high detection bandwidth, self-calibration, and radiation pressure stabilization. We present a simple, scalable platform that enables these benefits with nano-$g$ sensitivity at acoustic frequencies, based on a pair of vertically integrated Si$_3$N$_4$ membranes with different stiffnesses ...
Mitul Dey Chowdhury +2 more
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Journal of Human Sport and Exercise, 2016 The possibilities to analyse various sports movements and activities, their techniques and dynamics are deepening and enhancing with the rapid development of modern technologies. It subsequently enables to improve and enhance sports techniques, performances and efficiency, to prevent possible injuries, to enhance training methods, and to reach sports ...
Lukášek, Miloš, Vychodilová, Renáta
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Multicolor particle shadow accelerometry [PDF]
Measurement Science and Technology, 2015 This paper describes the extension of multicolor particle shadow velocimetry (CPSV) to the measurement of local acceleration in an Eulerian frame of reference. A validation experiment was conducted on a pendulous disk undergoing unsteady rigid body rotation.
M J, McPhail +4 more
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Cervical accelerometry in preterm infants [PDF]
Developmental Medicine & Child Neurology, 2002 The objective of this study was to develop a method to use digital signal processing (DSP) technology to describe quantitatively and statistically swallow‐associated sounds in preterm infants and to use this method to analyze changes as infants mature. Twelve recordings of accelerometric and physiological data on bottle‐feeding preterm infants between ...
Eric W, Reynolds +3 more
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Temporal Alignment of Dual Monitor Accelerometry Recordings [PDF]
Sensors, 2021 Combining accelerometry from multiple independent activity monitors worn by the same subject have gained widespread interest with the assessment of physical activity behavior. However, a difference in the real time clock accuracy of the activity monitor introduces a substantial temporal misalignment with long duration recordings which is commonly not ...
Jan Christian Brønd +3 more
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Accelerometry and Self-report in Sedentary Populations [PDF]
American Journal of Health Behavior, 2011 To determine whether self-reported exercise duration and intensity matched accelerometer data in sedentary endometrial cancer survivors and age-matched controls.Participants were asked to wear an accelerometer and self-report exercise bouts, duration, and intensity for one week.
Jennifer L, Jovanovic +5 more
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Vector atom accelerometry in an optical lattice
Science AdvancesTwo kinds of multidimensional atom interferometers are demonstrated that are capable of measuring both the magnitude and direction of applied inertial forces. These interferometers, built from ultracold Bose-Einstein condensed rubidium atoms, use an original design that operates entirely within the Bloch bands of an optical lattice ...
Catie LeDesma +2 more
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An investigation into human movement with the use of accelerometry
, 2010 The amount of daily physical activity over the lifetime of a person, has a positive impact on his/her overall health and may reduce his/her overall risks of developing diseases. Walking is one of the most common daily physical activities. The assessment of walking patterns plays a key role in energy expenditure estimation and in understanding the ...
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Accelerometry in Diagnosis of Functional Tremor
Annals of Clinical and Experimental NeurologyIntroduction. Functional tremor (FT) is the most common phenotype of functional movement disorders. Electrophysiological assessment is included in the diagnostic criteria for tremor; however, there is currently no consensus criteria for the differential diagnosis of FT.
Konstantin M. Evdokimov +4 more
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Leaping and Accelerometry: A Theoretical Approach
Nature Precedings, 2008 AbstractAccelerometry has always been a popular method of monitoring locomotor activity but its use is becoming more widespread due to the easy availability of low cost, low power sensors. However one of the major problems with interpreting accelerometer data is that rotation of the sensor alters the output and obtaining independent orientation ...
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