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   Articles with "equivalent source" as a keyword



Extension of sound field separation technique based on the equivalent source method in a sparsity framework

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recommendations! Published in 2019 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2018.10.050

Abstract: Abstract The equivalent source method (ESM)-based sound field separation technique has been successfully introduced into near-field acoustic holography as a preprocessing tool to eliminate the influence of disturbing sources or reflections from the opposite side… read more here.

Keywords: field; separation; equivalent source; source ... See more keywords

Sound field reconstruction with sparse sampling and the equivalent source method

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recommendations! Published in 2018 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2018.02.031

Abstract: Abstract The equivalent source method is reformulated under the compressive sensing framework for tackling with the spatially extended sound source. The sound field to be reconstructed is first modeled using the equivalent source method according… read more here.

Keywords: source method; sparse sampling; source; sound field ... See more keywords
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Investigation of acoustic transmission beneath a railway vehicle by using statistical energy analysis and an equivalent source model

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recommendations! Published in 2021 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2020.107296

Abstract: Abstract An approach is presented for modelling the noise propagation beneath the train floor and this is applied to rolling noise sources. It is assumed that the sound incident on the train floor is made… read more here.

Keywords: train floor; beneath; equivalent source; source model ... See more keywords
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A modeling method for equivalent source adopting volume structure technique in FDTD

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recommendations! Published in 2020 at "AIP Advances"

DOI: 10.1063/5.0013131

Abstract: The equivalent source is a widely used approach for simulating hybrid electromagnetic (EM) field-circuit problems. In this approach, three techniques, e.g., the wire, surface, and volume structure, can be employed for embedding lumped circuits into… read more here.

Keywords: equivalent source; volume structure; structure technique; structure ... See more keywords

3D inversion of magnetic gradient data based on equivalent source weighting method

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recommendations! Published in 2024 at "AIP Advances"

DOI: 10.1063/9.0000768

Abstract: 3D magnetic inversion is an important method for detecting underwater or underground magnetic objects, which can obtain the physical parameters and geometric features of the target. In order to solve the problem of smooth inversion… read more here.

Keywords: equivalent source; method; gradient; source weighting ... See more keywords
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Gradient-boosted equivalent sources

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recommendations! Published in 2021 at "Geophysical Journal International"

DOI: 10.1093/gji/ggab297

Abstract: The equivalent source technique is a powerful and widely used method for processing gravity and magnetic data. Nevertheless, its major drawback is the large computational cost in terms of processing time and computer memory. We… read more here.

Keywords: boosted equivalent; equivalent source; gradient; equivalent sources ... See more keywords

A Cylindrical Equivalent Source-Based Physical Optics Method for Rapid Analysis of Airborne Radomes

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recommendations! Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3207159

Abstract: The physical optics (PO) method treats the outer surface of airborne radomes in front of antennas as a secondary source region when analyzing the electromagnetic performance. The effective reduction of the secondary source region can… read more here.

Keywords: equivalent source; airborne radomes; optics; source ... See more keywords

Fast Simulation of Vehicular Antennas for V2X Communication Using the Sparse Equivalent Source Model

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recommendations! Published in 2019 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2019.2913659

Abstract: Electrical modeling of vehicular antennas is required for design of modern vehicle-to-everything communication networks. However, full-wave modeling and the existing equivalent source methods still ask for long computation time. To address this issue, a fast… read more here.

Keywords: equivalent source; vehicular antennas; source model; sparse equivalent ... See more keywords

Determination of the Offset Distance for F-MARS: An Equivalent Source Model Perspective

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recommendations! Published in 2024 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2024.3364355

Abstract: In many cases, reflections within antenna measurements are the primary factor contributing to the far-field antenna test. The technique named far-field mathematical absorber reflection suppression (F-MARS) has been successfully used to identify and suppress the… read more here.

Keywords: distance; equivalent source; source model; offset distance ... See more keywords

Inverse Equivalent-Source Techniques for Lossless and Passive Metasurfaces With Noncanonical Shapes and Geometries

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recommendations! Published in 2024 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2024.3383351

Abstract: We present the formulation for two lossless and passive metasurface design algorithms that are applicable to transmissive metasurfaces with arbitrary shapes and cascaded metasurface pairs with arbitrary shapes and alignment geometries. This feature is enabled… read more here.

Keywords: equivalent source; source techniques; inverse equivalent; lossless passive ... See more keywords

Nested Equivalent Source Approximation for the Modeling of Penetrable Bodies

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recommendations! Published in 2017 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2016.2632518

Abstract: A multiregion nested equivalent source approximation (NESA) is presented for the fast analysis of electromagnetic scattering by piecewise homogeneous media. NESA was introduced for the analysis of metallic problems at low and moderate frequencies, and… read more here.

Keywords: nested equivalent; tex math; equivalent source; penetrable bodies ... See more keywords