Spectral Period T (s) | Impedance Ratio | ||||||
---|---|---|---|---|---|---|---|
2.0 | 3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | |
PGA | 0.135 | 0.247 | 0.326 | 0.387 | 0.437 | 0.480 | 0.516 |
0.05 | 0.121 | 0.231 | 0.309 | 0.370 | 0.419 | 0.461 | 0.498 |
0.10 | 0.346 | 0.443 | 0.512 | 0.566 | 0.609 | 0.646 | 0.678 |
0.15 | 0.394 | 0.505 | 0.584 | 0.645 | 0.695 | 0.737 | 0.773 |
0.20 | 0.410 | 0.534 | 0.622 | 0.690 | 0.745 | 0.792 | 0.833 |
0.25 | 0.421 | 0.556 | 0.652 | 0.726 | 0.787 | 0.839 | 0.883 |
0.30 | 0.394 | 0.540 | 0.644 | 0.724 | 0.790 | 0.845 | 0.893 |
0.35 | 0.343 | 0.498 | 0.609 | 0.695 | 0.765 | 0.824 | 0.875 |
0.40 | 0.313 | 0.478 | 0.595 | 0.685 | 0.759 | 0.822 | 0.876 |
0.45 | 0.299 | 0.473 | 0.595 | 0.691 | 0.769 | 0.835 | 0.892 |
0.50 | 0.297 | 0.478 | 0.607 | 0.706 | 0.788 | 0.856 | 0.916 |
0.60 | 0.286 | 0.482 | 0.621 | 0.728 | 0.816 | 0.890 | 0.955 |
0.70 | 0.263 | 0.472 | 0.621 | 0.736 | 0.830 | 0.910 | 0.978 |
0.80 | 0.257 | 0.462 | 0.607 | 0.719 | 0.811 | 0.889 | 0.956 |
0.90 | 0.259 | 0.441 | 0.569 | 0.669 | 0.750 | 0.819 | 0.879 |
1.00 | 0.261 | 0.418 | 0.530 | 0.616 | 0.687 | 0.747 | 0.798 |
1.25 | 0.312 | 0.426 | 0.507 | 0.570 | 0.621 | 0.664 | 0.702 |
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