Beamforming with air-coupled surface waves around a sphere and circular cylinder (L)

Journal of the Acoustical Society of America

Volumn 117, Issue 6, 2005, Pages 3373-3376

  Daigle, Gilles A ^a   Stinson, Michael R ^a   Ryan, James G ^a,b  

^a NATIONAL RESEARCH COUNCIL CANADA   (Canada)

^b Gennum Corporation   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC IMPEDANCE; ENGINE CYLINDERS; MICROPHONES;

AIR-COUPLED SURFACE WAVES; APERTURES; BEAMFORMING; MICROPHONE ARRAYS;

SURFACE WAVES;

ACOUSTICS; ARTICLE; CALCULATION; GEOMETRY; IMPEDANCE; MATHEMATICAL COMPUTING; MICROPHONE; PRIORITY JOURNAL; SPIKE WAVE; SURFACE PROPERTY;

EID: 20444426213     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.1898598     Document Type: Article

References (9)

1. J. Meyer, "Beamforming for a circular microphone array mounted on spherically shaped objects, " J. Acoust. Soc. Am. 109, 185-193 (2001).
2. The diffraction and scattering of sound by a hard object, including the concept of creeping waves having slightly retarded phase velocity, is discussed in detail in A. D. Pierce. Acoustics: An Introduction to Its Physical Principles and Applications (McGraw-Hill, New York, 1981), Chap. 9.
3. G. A. Daigle, M. R. Stinson, and D. I. Havelock, "Experiments on surface waves over a model impedance plane using acoustical pulses," J. Acoust. Soc. Am. 99, 1993-2005 (1996).
4. M. R. Stinson and G. A. Daigle, "Surface wave formation at an impedance discontinuity," J. Acoust. Soc. Am, 102, 3269-3275 (1997).
5. W. Zhu, G. A. Daigle, and M. R. Stinson, "Experimental and numerical study of air-coupled surface waves generated above strips of finite impedance," J. Acoust. Soc. Am. 114, 1243-1253 (2003).
6. R. Raspet and G. E. Baird, "The relationship between upward refraction above a complex impedance plane and the spherical wave evaluation for a homogeneous atmosphere," J. Acoust. Soc. Am. 89, 107-114 (1991).
7. J. J. Bowman, T. B. A. Senior, and P. L. E. Uslenghi, Electromagnetic and Acoustic Scattering by Simple Shapes (North-Holland, Amsterdam, 1969).
8. P. M. Morse and K. U. Ingard, Theoretical Acoustics (McGraw-Hill, New York, 1968).
9. D. S. Jones, Acoustic and Electromagnetic Waves (Oxford University Press, Oxford, 1986).