对加速度进行特征提取，可以使得波形的幅度特征更加明显，有利于进行轨道故障的检测。
The waveforms 'amplitude character will be more distinct through accelerations 'feature extraction, and this is propitious to rail deformation detection.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
计算了对不同频率和不同波形的蛇行运动的稳态反应，特别是计算了侧向最大挠度和最大加速度。
Steady response to zigzag motion with various shapes and frequencies, especially the maximum lateral deflections and accelerations, are calculated.
本文的目的在于探讨采用浮标测波在原理上的误差，以及在理论上分析造成加速度计测波浮标输出存在的波形漂移和畸变的原因及其必然性。
This paper is intended to discuss its principle error and analyse the cause of wave-deformation and drift in the output and its inevitability.
本文的目的在于探讨采用浮标测波在原理上的误差，以及在理论上分析造成加速度计测波浮标输出存在的波形漂移和畸变的原因及其必然性。
This paper is intended to discuss its principle error and analyse the cause of wave-deformation and drift in the output and its inevitability.
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