Research Article
Analytical and Experimental Study Using Output-Only Modal Testing for On-Orbit Satellite Appendages
Table 3
Natural frequencies of test article under base excitation.
| | Mode | Transmissibility PolyMAX (Ref.) f (Hz) | Operational PolyMAX f (Hz) | PULSE methods | | FDD f (Hz) | EFDD f (Hz) | SSI | | UPC f (Hz) | PC f (Hz) | CVA f (Hz)
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| | 1 | 3.48 | 3.35 | 3.45 | 3.45 | 3.46 | 3.46 | 3.46 | | 2 | 21.54 | 21.49 | 21.38 | 21.50 | 21.53 | 21.52 | 21.53 | | 3 | 28.15 | — | — | — | — | — | — | | 4 | 60.43 | 60.39 | 60.5 | 60.49 | 60.52 | 60.45 | 60.45 | | 5 | 87.84 | — | 87.75 | 87.77 | 87.77 | 87.77 | 87.69 | | 6 | 120.5 | 120.29 | 120.6 | 120.4 | 120.5 | 120.4 | 120.5 |
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