Visualization of vibration and sound using scanning and holographic methods
作者:
Robert J. Hannon,
E. Eugene Watson,
期刊:
Journal of Applied Physics
(AIP Available online 1974)
卷期:
Volume 45,
issue 5
页码: 1951-1953
ISSN:0021-8979
年代: 1974
DOI:10.1063/1.1663528
出版商: AIP
数据来源: AIP
摘要:
Two scanning techniques are now being used to determine the vibrational patterns and far‐field sound radiation of complex vibratory systems. One technique is a near‐field scanning apparatus which scans the vibrator and gives a three‐dimensional display on graph paper of the nodal patterns. The other scanning technique uses the principles of holography to locate far‐field sound sources on the vibrator. These two methods, coupled together, have demonstrated a unique capability to locate acoustic sources and hot spots on vibratory systems.
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