Remote audio signals detection using a partial-fiber laser Doppler vibrometer
文献类型：期刊论文
| 作者 | Wu, S. S.; Lv, T.; Han, X. Y.; Yan, C. H.; Zhang, H. Y. |
| 刊名 | Applied Acoustics
 |
| 出版日期 | 2018 |
| 卷号 | 130页码:216-221 |
| 关键词 | LDV Laser hearing Partial-fiber Acoustics |
| ISSN号 | 0003-682X |
| DOI | 10.1016/j.apacoust.2017.09.028 |
| 英文摘要 | All-fiber laser Doppler vibrometer (LDV) systems have great potential in the application of remote acoustic detection. However, the system performance is impaired due to the serious intermediate frequency (IF) crosstalk signal, which is caused by the fiber circulator. In this paper, a system adopting a partial-fiber structure is proposed and analyzed. Simulative and experimental analysis indicate that the IF crosstalk signal is mainly caused by the fiber circulator, and it damages demodulation signal. In order to reduce the IF crosstalk signal, a polarization prism is employed to substitute the circulator. Experimental results reveal that the IF crosstalk signal can be eliminated by the partial-fiber LDV effectively. The comprehensible speech signals within the range of 50m can be obtained. |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/61128]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | Wu, S. S.,Lv, T.,Han, X. Y.,et al. Remote audio signals detection using a partial-fiber laser Doppler vibrometer[J]. Applied Acoustics,2018,130:216-221. |
| APA | Wu, S. S.,Lv, T.,Han, X. Y.,Yan, C. H.,&Zhang, H. Y..(2018).Remote audio signals detection using a partial-fiber laser Doppler vibrometer.Applied Acoustics,130,216-221. |
| MLA | Wu, S. S.,et al."Remote audio signals detection using a partial-fiber laser Doppler vibrometer".Applied Acoustics 130(2018):216-221. |
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