美国科研出版社期刊
期刊
会议
图书
作者:Ahmed El-Hadad , Graham Ian Brodie , Berhan Shiday Ahmed
来源:[J].Open Journal of Acoustics, 2018, Vol.08 (03), pp.37-51Scientific Research Publishing
摘要:This experiment aims to study the effects and modifications that occurred on acoustic signal harmonics when travelling through wood. The experiment measured the output amplitudes and frequencies of the travelling signals and compared them with the original input signal. The ...

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