Room-Acoustical Experiments on Models Using Ultrasonics
A simple method of ultrasonic measurements on models is described. A single spark gap acts as sound source and a small SELL-transducer serves as receiver. The properties of special sound fields are investigated on models scaled down 1 : 100, by recording reflection-diagrams, counting
the reflections, and measuring the energy. The results obtained are discussed in detail.
Document Type: Research Article
Publication date: 01 January 1967
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