Results 21 to 30 of about 452,435 (309)

SIX-PARAMETER WAVE SPECTRA

open access: yesCoastal Engineering Proceedings, 1976
In an attempt to develop a systematic series of wave spectra covering a variety of spectral shapes observed in the ocean, this paper presents a newly developed series of wave spectra which involves six parameters. In the development of the six-parameter wave spectra, the spectra are decomposed into two parts.
Michel K. Ochi, E. Nadine Hubble
openaire   +2 more sources

Surface Wave Analysis in Laterally Varying Media [PDF]

open access: yes, 2012
This work studies the possibility of using surface wave analysis as a tool for a robust estimation of the S-wave velocity behaviour in laterally varying media.
Aruna Prem Bianzino,   +5 more
core   +1 more source

Measurement principle and technology of miniaturized strapdown inertial wave sensor

open access: yesFrontiers in Marine Science, 2022
This paper presents the design and implementation of a low-cost directional inertial wave sensor, DWS19-2, which is suitable for installation on ocean air-sea coupling buoys, offshore environmental monitoring buoys and surface drifting buoys.
Fenghua Zhou   +2 more
doaj   +1 more source

Parameters describing the pulse wave

open access: yesPhysiological Research, 2009
Pulse wave analysis permits non-invasive assessment of arterial elasticity indices. The contour varies in different parts of the circulation. It depends on physiological or pathophysiological conditions of the organism. The pathological events like arteriosclerosis or diabetes have a primary effect to the artery elasticity.
D, Korpas, J, Hálek, L, Dolezal
openaire   +2 more sources

Polarization-Independent and Angle-Insensitive Metamaterial Absorber Using 90-Degree-Rotated Split-Ring Resonators

open access: yesInternational Journal of Antennas and Propagation, 2015
We present the design, simulation, and measurement of a polarization-independent and angle-insensitive metamaterial absorber (MA) in X-band. Since the unit cell of the MA consists of four subwavelength split-ring resonators with 4-fold symmetric rotation,
Jia-Qi Feng   +9 more
doaj   +1 more source

Traveling waves and impact-parameter correlations [PDF]

open access: yesPhysical Review D, 2008
13 pages, 11 figures; corrected ...
Munier, S., Salam, G. P., Soyez, Gregory
openaire   +4 more sources

Solution verification of WECs: comparison of methods to estimate numerical uncertainties in the OES wave energy modelling task [PDF]

open access: yes, 2023
High-fidelity models become more and more used in the wave energy sector. They offer a fully nonlinear simulation tool that in theory should encompass all linear and nonlinear forces acting on a wave energy converter (WEC).
Eskilsson, Claes; id_orcid   +8 more
core   +1 more source

Evaluation of HF Radar Wave Measurements in Iberian Peninsula by Comparison with Satellite Altimetry and in Situ Wave Buoy Observations

open access: yesRemote Sensing, 2020
The skills of CODAR SeaSonde coastal high-frequency radars (HFR) located in the West Iberian Peninsula on measuring wave parameters are compared to in situ (buoy) and satellite altimeters (SA) wave observations.
Isabel Bué   +2 more
doaj   +1 more source

ON INVESTIGATING EMD PARAMETERS TO SEARCH FOR GRAVITATIONAL WAVES [PDF]

open access: yesAdvances in Adaptive Data Analysis, 2013
The Hilbert–Huang transform (HHT) is a novel, adaptive approach to time series analysis. It does not impose a basis set on the data or otherwise make assumptions about the data form, and so the time-frequency decomposition is not limited by spreading due to uncertainty.
Hirotaka Takahashi   +4 more
openaire   +2 more sources

Millimeter-Wave MMICs and Applications [PDF]

open access: yes, 2003
As device technology improves, interest in the millimeter-wave band grows. Wireless communication systems migrate to higher frequencies, millimeter-wave radars and passive sensors find new solid-state implementations that promise improved performance ...
Morgan, Matthew Alexander
core   +1 more source

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