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