Temperature (−180˚C) | SLL_l (dB) | Difference with SLL_i (dB) | SLL_r (dB) | Difference with SLL_i (dB) | RMS (mm) |
Ideal | −21.50 | / | −21.50 | / | 0 |
Deformed | −21.92 | −0.42 | −20.51 | +1.00 | 0.199 |
The first objective | −24.36 | −2.86 | −19.46 | +2.04 | 0.280 |
The second objective | −21.49 | +0.01 | −21.48 | +0.02 | 0.216 |
The third objective | −21.76 | −0.25 | −20.71 | +0.79 | 0.199 |
The forth objective | −20.50 | +1.01 | −21.87 | −0.37 | 0.238 |