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Method for Detecting Multi-Modal Vibration Characteristics of Landmines
Method for Detecting Multi-Modal Vibration Characteristics of Landmines
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摘要：
The acoustic vibration characteristics of landmines are investigated by means of modal analysis. According to the mechanical structure of landmines, a certain number of points are marked on the landmine shell to analyze its multi-modal vibration characteristics, based on laser self-mixing interferometer and taking 69 plastic landmine as an example, the vibration detection experiment system is built to show the results of analytical method of multi-modal testing. The first and second order natural frequencies of the bricks are 38 HZ and 106 HZ, 112 HZ and 232 HZ for plastic landmines, and 74 HZ and 290 HZ for metal landmines. The first and second order natural frequencies of the bricks are far smaller than those of plastic landmines and metal landmines. This indicates that landmines show multi-modal vibration characteristics under external excitation, which are significantly different from those of bricks. The findings can be used for further research on acoustic landmines detection technology.
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| 篇名 | Method for Detecting Multi-Modal Vibration Characteristics of Landmines | ||
| 来源期刊 | 仪器仪表学报:英文版 | 学科 | 工学 |
| 关键词 | MULTI-MODAL VIBRATION NATURAL FREQUENCY VIBRATION Mode ACOUSTIC LANDMINES Detection | ||
| 年，卷（期） | 2018,（4） | 所属期刊栏目 | |
| 研究方向 | 页码范围 | 39-45 | |
| 页数 | 7页 | 分类号 | TJ517 |
| 字数 | 语种 | ||
| DOI | |||
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节点文献
MULTI-MODAL
VIBRATION
NATURAL
FREQUENCY
VIBRATION
Mode
ACOUSTIC
LANDMINES
Detection
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
仪器仪表学报：英文版
主办单位：
中国仪器仪表学会
科学普及出版社
出版周期：
季刊
ISSN：
2095-7521
CN：
10-1206/TH
开本：
出版地：
北京市
邮发代号：
创刊时间：
语种：
出版文献量（篇）
134
总下载数（次）
0
总被引数（次）
0
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