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| 11. |
The Plane Wave Reciprocity Parameter and Its Application to the Calibration of Electroacoustic Transducers at Close Distances |
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The Journal of the Acoustical Society of America,
Volume 21,
Issue 6,
1949,
Page 633-635
B. D. Simmons,
R. J. Urick,
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摘要:
The reciprocity parameter for a plane wave sound field is shown to be equal to 2A/ρc, whereAis the area of the plane piston source and ρcthe characteristic acoustic resistance of the medium. It is shown experimentally that the sound field in front of a plane piston source is effectively plane over a distance approximately equal toA/λ, and that in such a region the plane wave parameter may be used to obtain a free field calibration of the transducer by the reciprocity method.
ISSN:0001-4966
DOI:10.1121/1.1906561
出版商:Acoustical Society of America
年代:1949
数据来源: AIP
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| 12. |
Ultrasonic Data on Solid Materials |
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The Journal of the Acoustical Society of America,
Volume 21,
Issue 6,
1949,
Page 636-636
Paul J. Ernst,
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PDF (119KB)
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ISSN:0001-4966
DOI:10.1121/1.1906562
出版商:Acoustical Society of America
年代:1949
数据来源: AIP
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