Optimization of signal features under object's dynamic test
V Babak, S Filonenko, I Kornienko‐Miftakhova… - Aviation, 2008 - Taylor & Francis
Aviation, 2008•Taylor & Francis
The results of investigating the influence of the time constant of acceleration signal
transformation or vibration speed into a displacement signal are given. Regularities of
displacement signal amplitude change after transformation of acceleration and speed
signals have been determined. It is shown that the error of displacement signal amplitude
change depends on the transformation time constant for the intended frequency of the input
signal. Thus, its minimum value corresponds to the value of the transformation time constant …
transformation or vibration speed into a displacement signal are given. Regularities of
displacement signal amplitude change after transformation of acceleration and speed
signals have been determined. It is shown that the error of displacement signal amplitude
change depends on the transformation time constant for the intended frequency of the input
signal. Thus, its minimum value corresponds to the value of the transformation time constant …
Abstract
The results of investigating the influence of the time constant of acceleration signal transformation or vibration speed into a displacement signal are given. Regularities of displacement signal amplitude change after transformation of acceleration and speed signals have been determined. It is shown that the error of displacement signal amplitude change depends on the transformation time constant for the intended frequency of the input signal. Thus, its minimum value corresponds to the value of the transformation time constant, equal to half an input signal period. The results of displacement measurements obtained by using vibration speed sensors and the results of their comparison with data, obtained by employing the displacement master sensor, are given.
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