The results may better reflect the non-stationarity of ground motion in time domain and are closer to reality than those by wave theory and stationary random vibration theory.
由于这种方法能较好地反映地面运动的时域非平稳性，所以得到的计算结果更真实。
This paper analyzes vibration signals of rolling element bearing in time-domain and frequency-domain, and puts forward the characteristic parameters to reflect the level of vibration and noise.
分别从时域和频域的角度分析了滚动轴承的振动信号，提出了反映滚动轴承振动水平和噪声水平的各种特征参数。
Using the characteristics of pulse echo singal during the probe adjustment, a relation model between angle of incidence and time-domain eigenvalue of reflect wave signals was proposed.
分析了探头调整时脉冲回波信号的变化特点，在实验的基础上构建了声束入射角与表面波时域特征值间的关系模型。
Signal and it's Fourier transform can reflect the info of time domain and frequence domain independently.
信号及其傅里叶变换可以分别反映信号在时频两域内的信息。
The specimen calculation outcome indicates that transaction data waveform of time domain assume fractal scale invariant property, which fractal dimensionality can reflect complexity and irregularity.
样本计算和统计结果表明，证券交易数据的时域波形信号具有分形标度不变性，分形维数能够反映交易数据的时域波形信号的复杂性和不规则性。
The specimen calculation outcome indicates that transaction data waveform of time domain assume fractal scale invariant property, which fractal dimensionality can reflect complexity and irregularity.
样本计算和统计结果表明，证券交易数据的时域波形信号具有分形标度不变性，分形维数能够反映交易数据的时域波形信号的复杂性和不规则性。
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