这种逻辑不改变基本语义，只改变非语义特征，比如基本语义中涉及的参数值。
Such logic would not change fundamental semantics, but, for example, only change parameter values involved in the fundamental semantics.
当发动机转速变化较大，振动信号非平稳严重时，高精度地提取出了特征分量的参数。
Although the engine's rotational speed changes notable and the vibration signal is seriously nonstationary, the character component's parameter is picked up precisely.
已知试验轴承的故障特征参数与非故障特征参数，采用何种方法对采自实际应用场合的轴承信号进行判断和处理是问题的关键。
How to diagnose and deal with bearing signal which is gathered on-the-spot is the key problem based on the known of bearing trouble feature parameter and non-trouble one.
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