Advances in Acoustics and Vibration / 2009 / Article / Tab 6

Research Article

Analytical and Experimental Study Using Output-Only Modal Testing for On-Orbit Satellite Appendages

Table 6

Damping ratios of test article under point excitation.

ModeFRF PolyMax   (Ref.)    (%)Operational   PolyMax   (%)PULSE methods
FDD   (%)EFDD   (%)SSI
UPC   (%)PC   (%)CVA   (%)

10.951.860.761.851.362.0
20.210.440.261.872.512.23
30.080.020.590.200.190.19
40.340.741.961.601.961.95
50.270.020.290.230.210.22
60.220.110.370.260.360.29

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