| Jiang Desong (蒋德松)*,Cheng Qianjie*,RenZiming**,WangYichun*.[J].高技术通讯(英文),2026,32(3):250~259 |
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| In-situ vibration compensation for MEMS vector hydrophone |
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| DOI：10. 3772 / j. issn. 1006-6748. 2026. 03. 004 |
| 中文关键词: |
| 英文关键词: in-situ, vibration compensation, vector hydrophone, frequency response, blind source separation (BSS) algorithm |
| 基金项目: |
| Author Name | Affiliation | | Jiang Desong (蒋德松)* | (*College of Marine Engineering, Jimei University, Xiamen 361021, P. R. China)
(**Laoshan Laboratory, Qingdao 266100, P. R. China) | | Cheng Qianjie* | | | RenZiming** | | | WangYichun* | |
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| 中文摘要: |
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| 英文摘要: |
| The light vibrations of the platform can directly affect the underwater acoustic detection results
made by the micro-electro-mechanical systems (MEMS) vector hydrophone. Vibration signals can
be eliminated via algorithmic compensation based on acceleration data acquired by an accelerometer.
However, due to the significant structural differences between the accelerometer and the vector hy-
drophone, their sensitivity and frequency responses are mismatched. This mismatch requires sophis-
ticated data processing to effectively eliminate the impact of vibrations. To address this issue, an in-
situ vibration compensation method for the MEMS vector hydrophone is proposed. Specifically, a vi-
bration sensor with an identical microstructure is placed near the MEMS vector hydrophone to moni-
tor vibration signals. As a result, both devices respond to vibrations consistently, enabling effective
vibration compensation using the blind source separation (BSS) algorithm. |
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