Observation of absorbing materials by acoustical holography

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概要

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• A new field measurement method for sound absorbing materials is proposed. Then subtractive holographic technique is applied to reject spurious interferences and to extract waves scattered by a sample. The application of holographic techniques for room acoustics promises greatly to observe the effective absorption characteristics of materials.

• 社団法人日本音響学会の論文

著者

• Uchiyama Haruo

  Department Of Energy Hachinohe Institute Of Technology

• Shibayama K

  Faculty Of Engineering Tamagawa University

• Shibayama Kimio

  Department of Information and Communication,Faculty of Engineering,Tamagawa University

関連論文

• Investigation of Impulse Response for an Interdigital Surface-Acoustic-Wave Transducer : SAW and Communication Devices
• Investigation of a SAW Resonator for a Voltage Controlled Oscillator : SAW and Communication Devices
• Observation of absorbing materials by acoustical holography

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