Extension of sound field separation technique based on the equivalent source method in a sparsity framework
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Beam Diffraction by the Tip of a Cone and Creeping Beam Waves: Phenomenology Analysis via the Generalized Complex-Source Method
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2021.3076559
Abstract: The complex-source (CS) method in conjunction with the spherical-multipole analysis is used to explore and demonstrate the different local phenomena associated with beam-wave scattering by acoustically hard or soft circular cones. The illumination by a… read more here.
Keywords: creeping beam; method; complex source; beam ... See more keywords
Optimization of Equivalent Source Configuration for an Independent-Equivalent Source Method in Half-Space Sound Field
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/6029393
Abstract: In the situation that vibrating objects are located above a reflecting plane, an independent-equivalent source method (I-ESM) regards the reflections due to the plane as being radiated by equivalent sources placed under the plane and… read more here.
Keywords: source method; source; independent equivalent; equivalent source ... See more keywords
Finite-element analysis of top-casing electric source method for imaging hydraulically active fracture zones
Sign Up to like & getrecommendations! Published in 2019 at "GEOPHYSICS"
DOI: 10.1190/geo2018-0451.1
Abstract: Imaging hydraulically active fracture zones (HAFZ) is of paramount importance to subsurface resource extraction, geologic storage, and hazardous waste disposal. We have developed advanced 3D finite-element (FE) electrical imaging algorithms for HAFZ in the presence… read more here.
Keywords: top casing; imaging hydraulically; method; electric source ... See more keywords