Criterion for the minimum source distance at which plane-wave beamforming can be applied

Journal of the Acoustical Society of America

Volumn 104, Issue 1, 1998, Pages 595-598

  Ryan, James G ^a  

^a NATIONAL RESEARCH COUNCIL CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTICS; ARTICLE; MICROPHONE; PRIORITY JOURNAL;

EID: 0031854592     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.423289     Document Type: Article

References (3)

1. F. Pirz, "Design of a Wideband, Constant Beamwidth, Array Microphone for Use in the Near Field," Bell Syst. Tech. J. 58, 1839-1850 (1979).
2. B. D. Steinberg, Principles of Aperture and Array System Design (Wiley, New York, 1976), Chap. 1, p. 12.
3. L. J. Ziomek, "Three Necessary Conditions for the Validity of the Fresnel Phase Approximation for the Near-Field Beam Pattern of an Aperture," IEEE J. Ocean Eng. 18, 73-75 (1993).