Research Article
High Frequency Modal Testing of the Multiblade Packets Using a Noncontact Measurement and Excitation System
Table 1
Frequency bandwidth and frequency resolution.
| | No. | (Hz) | (Hz) | (s) | a (Hz/s) |
| | 1 | 0–5000 | 0.7813 | 1.28 | 3906 | | 2 | 5000–10000 | 1.5625 | 0.64 | 7813 | | 3 | 10000–15000 | 2.3438 | 0.43 | 11628 | | 4 | 15000–20000 | 3.1250 | 0.32 | 15625 | | 5 | 20000–25000 | 3.9063 | 0.256 | 19531 | | 6 | 25000–30000 | 4.6875 | 0.213 | 23474 |
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