Results 211 to 220 of about 3,524 (266)

A 94 GHz Millimeter-Wave Radar System for Remote Vehicle Height Measurement to Prevent Bridge Collisions. [PDF]

Sensors (Basel)
Steinmetz N, Magori E, Balal Y, Sudai YB, Balal N.   +4 more
europepmc   +1 more source

Real-time beat-to-beat pulse wave velocity estimation: a quality-driven approach using laser Doppler vibrometry. [PDF]

Med Biol Eng Comput
Seoni S, Segers P, Beeckman S, Salvi M, Romanelli M, Badhwar S, Bruno RM, Li Y, Aasmul S, Madhu N, Molinari F, Morbiducci U.   +11 more
europepmc   +1 more source

Quartz-enhanced laser spectroscopy sensing. [PDF]

Light Sci Appl
Qiao S, Liu X, Lang Z, He Y, Chen W, Ma Y.   +5 more
europepmc   +1 more source

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Vibrational anharmonicity and multilevel vibrational dephasing from vibrational echo beats

The Journal of Chemical Physics, 1997
Vibrational echo experiments were performed on the IR active CO stretching modes (∼2000 cm−1) of rhodium dicarbonylacetylacetonate [Rh(CO)2acac] and tungsten hexacarbonyl [W(CO)6] in dibutylphthalate and a mutant of myoglobin-CO (H64V-CO) in glycerol–water using ps IR pulses from a free electron laser.
RECTOR K. D., KWOK A. S., FERRANTE, CAMILLA, TOKMAKOFF A., RELLA C. W., FAYER M. D.   +5 more
openaire   +2 more sources

Voltage-induced beating vibration of a dielectric elastomer membrane

Nonlinear Dynamics, 2020
An AC voltage induces a nonlinear vibration of dielectric elastomers (DEs), which enables DE to be served as soft dynamical devices and robots. As is known, a special beating vibration may occur during the nonlinear oscillation of DEs, leading to the undesired electromechanical failures and instabilities. In this article, a numerical study is developed
Junshi Zhang, Hualing Chen
openaire   +1 more source

Robust inter-beat interval estimation in cardiac vibration signals

Physiological Measurement, 2013
Reliable and accurate estimation of instantaneous frequencies of physiological rhythms, such as heart rate, is critical for many healthcare applications. Robust estimation is especially challenging when novel unobtrusive sensors are used for continuous health monitoring in uncontrolled environments, because these sensors can create significant amounts ...
C, Brüser, S, Winter, S, Leonhardt
openaire   +2 more sources

Beating vibration phenomenon of a very large floating structure

Journal of Marine Science and Technology, 2017
When a very large floating structure (VLFS) is subjected to successive regular waves, it may sometimes suffer from “beating vibration”. This phenomenon occurs when the wave period approaches the natural periods of the structure. The beating action occurs with the period far longer than the incident wave period and sometimes has a conspicuous ups and ...
Hisayoshi Endo, Hideyuki Suzuki
openaire   +1 more source