Comparison of Acoustic Signals Produced by Underwater Plasma and Explosive Charge Sound Source

被引：0
|
作者：
Qiao, Liang [1 ]
Zhang, Xiaobing [1 ]
Yan, Bing [1 ]
Liu, Yang [2 ]
机构：
[1] Naval Univ Engn, Coll Weap Engn, Wuhan, Peoples R China
[2] Naval Univ Engn, Off Studies, Wuhan, Peoples R China
来源：
PROCEEDINGS OF 2020 IEEE 4TH INFORMATION TECHNOLOGY, NETWORKING, ELECTRONIC AND AUTOMATION CONTROL CONFERENCE (ITNEC 2020) | 2020年
关键词：
underwater explosion; plasma; wavelet packet decomposition; welch power spectrum;
D O I：
10.1109/itnec48623.2020.9084772
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Underwater explosive sound sources are widely utilized due to their characteristics of high source level and wide frequency band. An experiment was arranged in a pool to acquire the acoustic signals of underwater explosive charge and plasma sound sources. The acoustic signals of the two types of sound sources were decomposed by wavelet packet. The waveform, sound pressure lever, frequency spectrogram and Welch power spectrum of each frequency band were compared and analyzed. The results reveal that the differences of acoustic signal characteristics are mainly related to the total amount and injection rate of energy.
引用
收藏
页码：1829 / 1833
页数：5
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