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第二是时基失真及漂移的补偿。
The second point is the compensation of time base distortion and drift.
本文提出了一种利用自适应数字滤波原理对有参数漂移的信号进行失真系数测定的方法。
Using the principle of adaptive digital filtering, a method for measuring the distortion factor of a signal with floating parameters is devised.
气门加速度信号的微小漂移，将导致积分的速度信号严重失真。
Small shifting of acceleration signal will result in the abnormal alteration of valve velocity.
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