because if this
was the case it would result in a line
from the origin. Indeed, the ordinate
intercept deviates significantly from
zero in Fig. 3. A possible reason for this is, on the one hand, that an elevator
system is generally equipped with shock absorbers. The additional
elasticity of the unrolled cable results in an extension of
the duration of oscillation. An additional influencing factor
could be that the cable is directed around a fixed pulley and
that the estimated length of the cable therefore exceeds its
actual length.