Articles with "wave spectrum" as a keyword



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An experimental comparison of the velocities and energies of focused spilling waves in deep water

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Published in 2020 at "Ocean Dynamics"

DOI: 10.1007/s10236-020-01369-1

Abstract: It is important to achieve a better understanding of the wave energy variations occurring as a steep wave evolves towards breaking. Laboratory experiments of focused waves are performed to investigate the kinematics of primary breaking… read more here.

Keywords: average energy; energy; wave spectrum; wave ... See more keywords

A hybrid full-wave Markov chain approach to calculating radio-frequency wave scattering from scrape-off layer filaments

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Published in 2021 at "Journal of Plasma Physics"

DOI: 10.1017/s0022377821001033

Abstract: The interaction of radio-frequency (RF) waves with edge turbulence modifies the incident wave spectrum, and can significantly affect RF heating and current drive in tokamaks. Previous lower hybrid (LH) scattering models have either used the… read more here.

Keywords: full wave; turbulence; markov chain; radio frequency ... See more keywords

Millimeter Wave Spectrum and Rovibrational Global Fit for Pyrrole

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Published in 2025 at "Journal of Physical and Chemical Reference Data"

DOI: 10.1063/5.0278157

Abstract: The free-jet millimeter wave absorption spectrum of pyrrole has been measured in the 59.6–78.3 GHz frequency range. The rotational spectra of four species have been assigned: the one for the normal species in both the vibrational… read more here.

Keywords: rovibrational global; global fit; millimeter wave; millimeter ... See more keywords
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Sensitivity of present and future detectors across the black-hole binary gravitational wave spectrum

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Published in 2021 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/abd4f6

Abstract: Black-holes are known to span at least 9 orders of magnitude in mass: from the stellar-mass objects observed by the Laser Interferometer Gravitational-Wave Observatory Scientific Collaboration and Virgo Collaboration, to supermassive black-holes like the one… read more here.

Keywords: gravitational wave; wave spectrum; black hole; wave ... See more keywords

Nonlinear Extraction of Directional Ocean Wave Spectrum From Synthetic Bistatic High-Frequency Surface Wave Radar Data

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Published in 2020 at "IEEE Journal of Oceanic Engineering"

DOI: 10.1109/joe.2019.2909961

Abstract: This paper proposes the use of a nonlinear inversion technique for the extraction of the directional ocean wave spectrum from bistatic high-frequency surface wave radar (HFSWR) Doppler data. The extraction method is combined with nonlinear… read more here.

Keywords: ocean wave; bistatic high; directional ocean; extraction ... See more keywords

On the Convolutions of Sea Wave Spectrum in Radar Backscattering From Ocean Surfaces

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Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2022.3221525

Abstract: By expanding the first-order small-slope approximation (SSA-1) scattering model in the polynomial terms containing convolutions of the sea wave spectrum, this letter quantitatively investigated how the convolutions of the sea wave spectrum affect the normalized… read more here.

Keywords: wave spectrum; convolutions sea; sea wave; radar backscattering ... See more keywords

Real-time Heterogeneous Helical Wave Spectrum Method for Trans-abdominal Passive Acoustic Mapping.

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Published in 2025 at "IEEE transactions on ultrasonics, ferroelectrics, and frequency control"

DOI: 10.1109/tuffc.2025.3631731

Abstract: In focused ultrasound (FUS) therapy, passive acoustic mapping (PAM) with convex arrays is often employed to monitor the cavitation activity in the human abdomen, given their large acoustic window. However, phase aberration caused by the… read more here.

Keywords: method; cavitation; real time; helical wave ... See more keywords

Plane wave spectrum analysis of transverse discontinuities in dielectric waveguide I. Reflection coefficients

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Published in 2019 at "Optical Engineering"

DOI: 10.1117/1.oe.58.11.117103

Abstract: Abstract. A ray-theoretic analysis of the problem of discontinuity in a linear guide is presented. The fields in the guides are expressed as superposition of plane wave components determined by subjecting the fields to the… read more here.

Keywords: plane wave; analysis transverse; spectrum analysis; coefficients plane ... See more keywords

New Effects in the Evolution of the Wave Spectrum in a Tank

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Published in 2020 at "JETP Letters"

DOI: 10.1134/s002136402008007x

Abstract: Empirical spectra of mechanical and wind waves measured in a 32 × 1 × 2-m tank have been reported. It has been found that the frequency spectra S ( f ) of mechanical waves with… read more here.

Keywords: wind waves; evolution wave; wave spectrum; spectrum ... See more keywords
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On the Nonlinear Mapping of an Ocean Wave Spectrum into a New Polarimetric SAR Image Spectrum

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Published in 2020 at "Journal of Physical Oceanography"

DOI: 10.1175/jpo-d-20-0045.1

Abstract: A new nonlinear transformation relation is derived to describe the mapping of a two-dimensional ocean wave spectrum into a new polarimetric synthetic aperture radar (SAR) image spectrum. It is a further expansion and improvement of… read more here.

Keywords: new polarimetric; wave spectrum; ocean wave; nonlinear mapping ... See more keywords