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Wave intensity analysis of high frequency vibrations
Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences, 1994Abstract In the statistical energy analysis (SEA) approach to high frequency dynamics it is assumed that the vibrational wavefield in each component of an engineering structure is diffuse. In some instances the directional filtering effects of structural joints can lead to highly non-diffuse wavefields, and in such cases sea will ...
Robin S. Langley, Ahmet N. Bercin
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S‐wave splitting intensity analysis and inversion
Geophysical Prospecting, 2019ABSTRACTAnalysing S‐wave splitting has become a routine step in processing multicomponent data. Typically, this analysis leads to determining the principal directions of a transversely isotropic medium with a horizontal symmetry axis, which is assumed to be responsible for azimuthal anisotropy, and to the time delays between the fast and slow S‐waves ...
Daniele Boiero, Claudio Bagaini
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Forward and backward waves in the arterial system: impedance or wave intensity analysis?
Medical & Biological Engineering & Computing, 2009Both impedance analysis and wave intensity analysis are used to separate measured pressure and flow waveforms into their forward and backward components. The separation is sensitive to the characteristic impedance or wave speed determined from the data. In all other aspects, the results are identical.
Alun D. Hughes, Kim H. Parker
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Notice of Retraction: Wave intensity analysis in elastic tubes
2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC), 2011Wave intensity analysis is a time method for studying waves in elastic tubes. Usually, the forward wave intensity is positive and backward wave intensity is always negative. The reflection coefficient RWI, which is defined as the magnitude ratio of reflected wave intensity and incident wave intensity, can be used to estimate the blocked extent. In this
null Xiangjiao Lian +4 more
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Electronics and Communications in Japan (Part III: Fundamental Electronic Science), 1995
AbstractIt is well known that refraction, Faraday rotation, scintillation and absorption of microwaves take place when a microwave passes through an ionospheric plasma. However, when the amplitude of the microwave is large, nonlinear interactions occur with plasma in addition to these plasma interactions with a small signal microwave. Various phenomena
Hiroshi Matsumoto +3 more
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AbstractIt is well known that refraction, Faraday rotation, scintillation and absorption of microwaves take place when a microwave passes through an ionospheric plasma. However, when the amplitude of the microwave is large, nonlinear interactions occur with plasma in addition to these plasma interactions with a small signal microwave. Various phenomena
Hiroshi Matsumoto +3 more
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A wave intensity technique for the analysis of high frequency vibrations
Journal of Sound and Vibration, 1992Abstract A new method for the analysis of high frequency vibrations is presented in which the vibration of each component of the system is represented in terms of a homogeneous random wave field. The directional dependency of the wave intensity is represented by a Fourier series, the coefficients of which are computed by applying the Galerkin ...
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Pulse wave analysis in Anesthesia and Intensive Care.
Revista Electrónica AnestesiaR , 2020La frecuencia y la forma del pulso arterial han sido empleadas desde hace milenios en un amplio abanico de escenarios clínicos. Cada componente de la onda de la presión arterial; presión pico, presión diastólica, tiempo de eyección, ascenso de la presión arterial durante la sístole y presión arterial media son el resultado de una compleja ...
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Simulation and Wave Intensity Analysis of Intra-aortic Counterpulsation
2015This work aims at developing a system dynamic model that can simulate various hemodynamic and wave characteristics associated with the counter-pulsation circulation support. A novel hybrid circulation model consisting of a one-dimensional (1-D) flow model and a lumped parameter Windkessel model was constructed.
Bo-Wen Lin, Pong-Jeu Lu
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Physical units to report intensity of electromagnetic wave
Environmental Research, 2022Raquel Ramirez-Vazquez +2 more
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