Multipoint laser Doppler vibrometry with single detector : principles, implementations, and signal analyses
A 20-point laser Doppler vibrometer with single photodetector is presented for noncontact dynamic measurement. A 5 × 4 beam array with various frequency shifts is generated by a 1:55 μm distributed feedback laser and four acousto-optic devices, and illuminating different points on vibrating objects....
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| Main Authors: | , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2011
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/92566 http://hdl.handle.net/10220/6865 |
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| 機構: | Nanyang Technological University |
| 語言: | English |