Near field acoustic holography with microphones on a rigid sphere (L)

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Near field acoustic holography with microphones on a rigid sphere (L). / Jacobsen, Finn; Moreno-Pescador, Guillermo; Fernandez-Grande, Efren; Hald, Jørgen.

In: The Journal of the Acoustical Society of America, Vol. 129, No. 6, 06.2011, p. 3461-4.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Jacobsen, F, Moreno-Pescador, G, Fernandez-Grande, E & Hald, J 2011, 'Near field acoustic holography with microphones on a rigid sphere (L)', The Journal of the Acoustical Society of America, vol. 129, no. 6, pp. 3461-4. https://doi.org/10.1121/1.3575603

APA

Jacobsen, F., Moreno-Pescador, G., Fernandez-Grande, E., & Hald, J. (2011). Near field acoustic holography with microphones on a rigid sphere (L). The Journal of the Acoustical Society of America, 129(6), 3461-4. https://doi.org/10.1121/1.3575603

Vancouver

Jacobsen F, Moreno-Pescador G, Fernandez-Grande E, Hald J. Near field acoustic holography with microphones on a rigid sphere (L). The Journal of the Acoustical Society of America. 2011 Jun;129(6):3461-4. https://doi.org/10.1121/1.3575603

Author

Jacobsen, Finn ; Moreno-Pescador, Guillermo ; Fernandez-Grande, Efren ; Hald, Jørgen. / Near field acoustic holography with microphones on a rigid sphere (L). In: The Journal of the Acoustical Society of America. 2011 ; Vol. 129, No. 6. pp. 3461-4.

Bibtex

@article{80b99e91c5ec43368ce13851fecad59d,

title = "Near field acoustic holography with microphones on a rigid sphere (L)",

abstract = "Spherical near field acoustic holography (spherical NAH) is a technique that makes it possible to reconstruct the sound field inside and just outside a spherical surface on which the sound pressure is measured with an array of microphones. This is potentially very useful for source identification. The sphere can be acoustically transparent or it can be rigid. A rigid sphere is somewhat more practical than an open sphere. However, spherical NAH based on a rigid sphere is only valid if it can be assumed that the sphere has a negligible influence on the incident sound field, and this is not necessarily a good assumption when the sphere is very close to a radiating surface. This Letter examines the matter through simulations and experiments.",

keywords = "Acoustics/instrumentation, Computer Simulation, Equipment Design, Holography/instrumentation, Models, Theoretical, Motion, Numerical Analysis, Computer-Assisted, Pressure, Signal Processing, Computer-Assisted, Sound, Sound Spectrography, Time Factors, Transducers, Pressure",

author = "Finn Jacobsen and Guillermo Moreno-Pescador and Efren Fernandez-Grande and J{\o}rgen Hald",

note = "{\textcopyright} 2011 Acoustical Society of America",

year = "2011",

month = jun,

doi = "10.1121/1.3575603",

language = "English",

volume = "129",

pages = "3461--4",

journal = "Acoustical Society of America. Journal",

issn = "0001-4966",

publisher = "A I P Publishing LLC",

number = "6",

}

RIS

TY - JOUR

T1 - Near field acoustic holography with microphones on a rigid sphere (L)

AU - Jacobsen, Finn

AU - Moreno-Pescador, Guillermo

AU - Fernandez-Grande, Efren

AU - Hald, Jørgen

PY - 2011/6

Y1 - 2011/6

N2 - Spherical near field acoustic holography (spherical NAH) is a technique that makes it possible to reconstruct the sound field inside and just outside a spherical surface on which the sound pressure is measured with an array of microphones. This is potentially very useful for source identification. The sphere can be acoustically transparent or it can be rigid. A rigid sphere is somewhat more practical than an open sphere. However, spherical NAH based on a rigid sphere is only valid if it can be assumed that the sphere has a negligible influence on the incident sound field, and this is not necessarily a good assumption when the sphere is very close to a radiating surface. This Letter examines the matter through simulations and experiments.

AB - Spherical near field acoustic holography (spherical NAH) is a technique that makes it possible to reconstruct the sound field inside and just outside a spherical surface on which the sound pressure is measured with an array of microphones. This is potentially very useful for source identification. The sphere can be acoustically transparent or it can be rigid. A rigid sphere is somewhat more practical than an open sphere. However, spherical NAH based on a rigid sphere is only valid if it can be assumed that the sphere has a negligible influence on the incident sound field, and this is not necessarily a good assumption when the sphere is very close to a radiating surface. This Letter examines the matter through simulations and experiments.

KW - Acoustics/instrumentation

KW - Computer Simulation

KW - Equipment Design

KW - Holography/instrumentation

KW - Models, Theoretical

KW - Motion

KW - Numerical Analysis, Computer-Assisted

KW - Pressure

KW - Signal Processing, Computer-Assisted

KW - Sound

KW - Sound Spectrography

KW - Time Factors

KW - Transducers, Pressure

U2 - 10.1121/1.3575603

DO - 10.1121/1.3575603

M3 - Journal article

C2 - 21682371

VL - 129

SP - 3461

EP - 3464

JO - Acoustical Society of America. Journal

JF - Acoustical Society of America. Journal

SN - 0001-4966

IS - 6

ER -

ID: 212167769

Niels Bohr Institute